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Office of Scientific and Technical Information
Rockingham County - Small Wind Ordinance | Department of Energy
Energy.gov (U.S. Department of Energy (DOE)) Indexed Site
Rockingham County - Small Wind Ordinance Rockingham County - Small Wind Ordinance Rockingham County - Small Wind Ordinance < Back Eligibility Agricultural Commercial Construction Industrial Institutional Local Government Nonprofit Residential Schools Savings Category Wind Buying & Making Electricity Program Info State Virginia Program Type Solar/Wind Permitting Standards Provider Virginia Wind Energy Collaborative In October 2004, the Rockingham County Board of Supervisors approved a zoning ordinance for small wind energy systems, the first of its kind in Virginia. Students at James Madison University drafted the original ordinance with guidance from members of the Virginia Wind Energy Collaborative (VWEC) and assistance from members of Rockingham County's planning board. Although net metering is not required, the ordinance complements the
CX-000975: Categorical Exclusion Determination
Energy.gov (U.S. Department of Energy (DOE))
Rockingham Memorial Hospital Methane Gas ConversionCX(s) Applied: B5.1Date: 02/19/2010Location(s): Rockingham County, VirginiaOffice(s): Energy Efficiency and Renewable Energy, National Energy Technology Laboratory
Rockingham County, New Hampshire: Energy Resources | Open Energy
Open Energy Info (EERE)
Rockingham County, New Hampshire: Energy Resources Rockingham County, New Hampshire: Energy Resources Jump to: navigation, search Equivalent URI DBpedia Coordinates 42.9931261°, -71.0497768° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":42.9931261,"lon":-71.0497768,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}
Categorical Exclusion Determinations: American Recovery and Reinvestment
9, 2010 9, 2010 CX-000977: Categorical Exclusion Determination Virginia Women's Correction Center Biomass and Biodiesel Project CX(s) Applied: B5.1 Date: 02/19/2010 Location(s): Goochland County, Virginia Office(s): Energy Efficiency and Renewable Energy, National Energy Technology Laboratory February 19, 2010 CX-000976: Categorical Exclusion Determination Town of Christiansburg Wastewater Treatment Plant Combined Heat and Power from Biogas CX(s) Applied: B1.15, B1.31, B5.1 Date: 02/19/2010 Location(s): Christiansburg, Virginia Office(s): Energy Efficiency and Renewable Energy, National Energy Technology Laboratory February 19, 2010 CX-000975: Categorical Exclusion Determination Rockingham Memorial Hospital Methane Gas Conversion CX(s) Applied: B5.1 Date: 02/19/2010 Location(s): Rockingham County, Virginia
Determining Memory Use | Argonne Leadership Computing Facility
NLE Websites -- All DOE Office Websites (Extended Search)
Allinea DDT Core File Settings Determining Memory Use Using VNC with a Debugger bgqstack gdb Coreprocessor TotalView on BGQ Systems Performance Tools & APIs Software & Libraries...
Determination of the recovery stresses developed by shape memory alloys
SciTech Connect
A simple relationship has been developed between recovery stresses, temperature, and strain, to explain the mechanical shape memory effect in some alloys which undergo thermoelastic martensitic transformation. (GHT)
Mohamed, H.A.
Memory and Decision Making: Determining Action when the Sirens Sound
Science Conference Proceedings (OSTI)
Memories, both semantic, or learned knowledge, and episodic, or personal experiences, play an important role in an individual�s decision making under risk. In addition, varying levels of knowledge and experience exist in each individual. These ...
Robert Drost
CX-003991: Categorical Exclusion Determination | Department of Energy
1: Categorical Exclusion Determination 1: Categorical Exclusion Determination CX-003991: Categorical Exclusion Determination BizFuel CX(s) Applied: B5.1 Date: 09/22/2010 Location(s): Rockingham County, North Carolina Office(s): Energy Efficiency and Renewable Energy, Golden Field Office Rockingham County is proposing to use Energy Efficiency and Conservation Block Grant American Recovery and Reinvestment Act funding to complete a landfill gas capture system that will eventually be used to generate electricity. The funding will be used to install an electric blower, a gas collection system, and a flare to burn off any excess gas. The proposed landfill gas collection system will be installed on two out of three closed landfill cells and will also pull gas out of the currently open sub-title D landfill's leachate system.
NETL F 451.1-1/1 Categorical Exclusion (CX) Designation Form
County, VA Rockingham Memorial Hospital Methane Gas Conversion Retrofit two existing boilers and install one boiler to burn methane gas that will be purchased from an existing...
The Java memory model
This paper describes the new Java memory model, which has been revised as part of Java 5.0. The model specifies the legal behaviors for a multithreaded program; it defines the semantics of multithreaded Java programs and partially determines legal implementations ... Keywords: Java, concurrency, memory model, multithreading
Jeremy Manson; William Pugh; Sarita V. Adve
Optical memory
DOE Patents (OSTI)
Optical memory comprising: a semiconductor wire, a first electrode, a second electrode, a light source, a means for producing a first voltage at the first electrode, a means for producing a second voltage at the second electrode, and a means for determining the presence of an electrical voltage across the first electrode and the second electrode exceeding a predefined voltage. The first voltage, preferably less than 0 volts, different from said second voltage. The semiconductor wire is optically transparent and has a bandgap less than the energy produced by the light source. The light source is optically connected to the semiconductor wire. The first electrode and the second electrode are electrically insulated from each other and said semiconductor wire.
Mao, Samuel S; Zhang, Yanfeng
Dynamic tracking of page miss ratio curve for memory management
Memory can be efficiently utilized if the dynamic memory demands of applications can be determined and analyzed at run-time. The page miss ratio curve(MRC), i.e. page miss rate vs. memory size curve, is a good performance-directed metric to serve this ... Keywords: memory management, power management, resource allocation
Pin Zhou; Vivek Pandey; Jagadeesan Sundaresan; Anand Raghuraman; Yuanyuan Zhou; Sanjeev Kumar
Active memory operations
The performance of modern microprocessors is increasingly limited by their inability to hide main memory latency. The problem is worse in large-scale shared memory systems, where remote memory latencies are hundreds, and soon thousands, of processor ... Keywords: DRAM, cache coherence, distributed shared memory, memory performance, stream processing, thread synchronization
Zhen Fang; Lixin Zhang; John B. Carter; Ali Ibrahim; Michael A. Parker
Shape Memory Alloys
Scope, Shape memory alloys (SMA) have received widespread attention from ... The symposium focuses on shape memory and superelastic materials and their�...
Memory Considerations for Carver
Memory Considerations Memory Considerations Memory Considerations Overview Carver login nodes each have 48GB of physical memory. Most compute nodes have 24GB; however, 80 compute nodes have 48GB. Not all of this memory is available to user processes. Some memory is reserved for the Linux kernel. Furthermore, since Carver nodes have no disk, the "root" file system (including /tmp) is kept in memory ("ramdisk"). The kernel and root file system combined occupy about 4GB of memory. Therefore users should try to use no more than 20GB on most compute nodes, or 44GB on the large-memory compute nodes. There are also two "extra-large" memory nodes; each node has four 8-core Intel X7550 ("Nehalem EX") 2.0 GHz processors (32 cores total) and 1TB memory. These nodes are available through the queue "reg_xlmem". Please
Rockingham County, North Carolina: Energy Resources | Open Energy
9.8296743° 9.8296743° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":36.4335041,"lon":-79.8296743,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}
Rockingham County, Virginia: Energy Resources | Open Energy Information
5825919°, -78.8835548° 5825919°, -78.8835548° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":38.5825919,"lon":-78.8835548,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}
PDSF Memory Considerations
Memory Considerations Memory Considerations Memory Considerations Interactive Nodes The amount of memory available on the interactive nodes is described on the Interactive (login) Nodes page. The interactive nodes are shared among all users and running high memory jobs on the interactive nodes slows them down for everyone. If you think your work might be disruptive you should either run it in batch or run it interactively on a batch node as described here. Batch Nodes The batch system knows how much memory each node has and how much memory each job requires. By default each job is given 1.1GB, but you can request more or less memory by following the instructions in Submitting Jobs. However, it should be noted that the more memory you require, the harder it will be for the batch system to schedule your job, especially when the
Improving Organizational Memories Through User Feedback
E-Print Network (OSTI)
The benefits of an organizational memory are ultimately determined by the usefulness of the organizational memory as perceived by its users. Therefore, an improvement of an organizational memory should be measured in the added perceived usefulness. Unfortunately, the perceived usefulness has many impact factors (e.g., the precision of the user query, the urgency with which the user needs information, the coverage of the underlying knowledge base, the quality of the schema used to store knowledge, and the quality of the implementation). Hence, it is difficult to identify good starting points for improvement. This paper presents the goal-oriented method OMI (Organizational Memory Improvement) for improving an organizational memory incrementally from the user's point of view. It has been developed through several case studies and consists of a general usage model, a set of indicators for improvement potential, and a cause-effect model. At each step of the general usage model of OMI, pro...
Klaus-Dieter Althoff; Markus Nick; Carsten Tautz
Silicon nanocrystal memories
In this paper, we present an overview of memory structures fabricated by our group by using silicon nanocrystals as storage nodes. These devices show promising characteristics as candidates for future deep-submicron non-volatile memories.
S. Lombardo; B. De Salvo; C. Gerardi; T. Baron
Drifting absence :: drafting memory
The emotive power of a memorial derives from its ability to engage the viewer in active remembrance. The project considers the limitations of a monumentality which embraces a distinct division between viewer and memorial. ...
Kuhn, Marlene Eva
Samuel Rosen Memorial Award
Recognizing accomplishments in surfactant chemistry. The Samuel Rosen Memorial Award is sponsored by Milton J. Rosen. Samuel Rosen Memorial Award Membership Information achievement application award Awards distinguished division Divisions fats job
Tolerating memory leaks
Type safety and garbage collection in managed languages eliminate memory errors such as dangling pointers, double frees, and leaks of unreachable objects. Unfortunately, a program still leaks memory if it maintains references to objects it will never ... Keywords: bug tolerance, managed languages, memory leaks
Michael D. Bond; Kathryn S. McKinley
External Memory Algorithms
Data sets in large applications are often too massive to fit completely inside the computer's internal memory. The resulting input/ output communication (or I/O) between fast internal memory and slower external memory (such as disks) can be a major performance ...
Jeffrey Scott Vitter
An improved electrostatic memory system is de scribed fer a digital computer wherein a plarality of storage tubes are adapted to operate in either of two possible modes. According to the present irvention, duplicate storage tubes are provided fur each denominational order of the several binary digits. A single discriminator system is provided between corresponding duplicate tubes to determine the character of the infurmation stored in each. If either tube produces the selected type signal, corresponding to binazy "1" in the preferred embodiment, a "1" is regenerated in both tubes. In one mode of operation each bit of information is stored in two corresponding tubes, while in the other mode of operation each bit is stored in only one tube in the conventional manner.
Chu, J.C.
Exposing Memory Access Regularities Using Object-Relative Memory Profiling
Memory profiling is the process of characterizing a program's memorybehavior by observing and recording its response to specific inputsets. Relevant aspects of the program's memory behavior maythen be used to guide memory optimizations in an aggressively ...
Qiang Wu; Artem Pyatakov; Alexey Spiridonov; Easwaran Raman; Douglas W. Clark; David I. August
Using Cyclic Memory Allocation to Eliminate Memory Leaks
We present and evaluate a new memory management technique for eliminating memory leaks in programs with dynamic memory allocation. This technique observes the execution of the program on a sequence of training inputs to ...
Nguyen, Huu Hai
Memory Usage Considerations on Hopper
Memory Considerations Memory Considerations Memory Considerations Memory Usage Considerations on Hopper Most Hopper compute nodes have 32 GB of physical memory, but, not all that memory is available to user programs. Compute Node Linux (the kernel), the Lustre file system software, and message passing library buffers all consume memory, as does loading the executable into memory. Thus the precise memory available to an application varies. Approximately 31 GB of memory can be allocated from within an MPI program using all 24 cores per node, i.e., 1.29 GB per MPI task on average. If an application uses 12 MPI tasks per node, then each MPI task could use about 2.58 GB of memory. You may see an error message such as "OOM killer terminated this process." "OOM" means Out of Memory and it means that your code has exhausted the
Shape memory alloys
A shape memory alloy is disclosed consisting essentially of, by weight ratio, 2 to 15% aluminium, 0.01 to 3% beryllium and the balance being substantially copper, with impurities being inevitably present in the process of preparation, and a shape memory alloy further including 0.05 to 15% zinc, both including composition ranges which allows cold work.
Suzuki, K.
Hysteresis, Reversibility, and Shape Memory
Basic Properties of Shape Memory Materials from First-Principles ... Control Loops of Shape Memory Actuators by Detection of the Electrical Resistance.
Computer memory management system
A computer memory management system utilizing a memory structure system of "intelligent" pointers in which information related to the use status of the memory structure is designed into the pointer. Through this pointer system, The present invention provides essentially automatic memory management (often referred to as garbage collection) by allowing relationships between objects to have definite memory management behavior by use of coding protocol which describes when relationships should be maintained and when the relationships should be broken. In one aspect, the present invention system allows automatic breaking of strong links to facilitate object garbage collection, coupled with relationship adjectives which define deletion of associated objects. In another aspect, The present invention includes simple-to-use infinite undo/redo functionality in that it has the capability, through a simple function call, to undo all of the changes made to a data model since the previous `valid state` was noted.
Kirk, III, Whitson John (Greenwood, MO)
Technology strategy for the semiconductor memory market
Solid state memories are used in a variety of applications as data and code storages. A non-volatile memory is a memory that retains information when its power supply is off. Flash memory is a type of nonvolatile memory ...
Nakamura, Tomohiko
Advanced contention management for dynamic software transactional memory
The obstruction-free Dynamic Software Transactional Memory (DSTM) system of Herlihy et al@. allows only one transaction at a time to acquire an object for writing. Should a second require an object currently in use, a contention manager must determine ... Keywords: contention management, obstruction-freedom, synchronization, transactional memory
William N. Scherer, III; Michael L. Scott
Memorandum Memorializing Ex Parte Communication, DOE impending
Memorandum Memorializing Ex Parte Communication, DOE impending Memorandum Memorializing Ex Parte Communication, DOE impending determination of coverage for commercial and industrial fans, blowers, and fume hoods. Memorandum Memorializing Ex Parte Communication, DOE impending determination of coverage for commercial and industrial fans, blowers, and fume hoods. The meeting was requested by AMCA International to introduce the association's leadership, standards, and experience in developing fan standards to DOE; to learn more about the DOE process for developing regulations for fan efficiency standards; and to inform DOE on how commercial and industrial fan markets work. AMCA_Ex_Parte.pdf More Documents & Publications DOE-STD-1168-2013 DOE Meeting Memorandum: Ex Parte Communications Independent Oversight Review, Savannah River Site - August 2011
The capacity of hybrid quantum memory
The general stable quantum memory unit is a hybrid consisting of a classical digit with a quantum digit (qudit) assigned to each classical state. The shape of the memory is the vector of sizes of these qudits, which may differ. We determine when N copies of a quantum memory A embed in N(1+o(1)) copies of another quantum memory B. This relationship captures the notion that B is as at least as useful as A for all purposes in the bulk limit. We show that the embeddings exist if and only if for all p >= 1, the p-norm of the shape of A does not exceed the p-norm of the shape of B. The log of the p-norm of the shape of A can be interpreted as the maximum of S(\\rho) + H(\\rho)/p (quantum entropy plus discounted classical entropy) taken over all mixed states \\rho on A. We also establish a noiseless coding theorem that justifies these entropies. The noiseless coding theorem and the bulk embedding theorem together say that either A blindly bulk-encodes into B with perfect fidelity, or A admits a state that does not visibly bulk-encode into B with high fidelity. In conclusion, the utility of a hybrid quantum memory is determined by its simultaneous capacity for classical and quantum entropy, which is not a finite list of numbers, but rather a convex region in the classical-quantum entropy plane.
Greg Kuperberg
Reconsidering custom memory allocation
Programmers hoping to achieve performance improvements often use custom memory allocators. This in-depth study examines eight applications that use custom allocators. Surprisingly, for six of these applications, a state-of-the-art general-purpose allocator ...
Emery D. Berger; Benjamin G. Zorn; Kathryn S. McKinley
Warship : memorial in antithesis
This thesis is divided into three distinct yet related parts. The first consists of observations and reflections on some of New York City's many war memorials, ranging from one commemorating the Revolutionary War to one ...
Tchelistcheff, Andre Victor
Mondriaan memory protection
Reliability and security are quickly becoming users' biggest concern due to the increasing reliance on computers in all areas of society. Hardware-enforced, fine-grained memory protection can increase the reliability and ...
Witchel, Emmett Jethro, 1970-
Fast Access to Distributed Atomic Memory
We study efficient and robust implementations of an atomic read-write data structure over an asynchronous distributed message-passing system made of reader and writer processes, as well as a number of servers implementing the data structure. We determine ... Keywords: Byzantine failures, atomic registers, distributed algorithms, fault-tolerance, shared-memory emulations, time-complexity
Partha Dutta; Rachid Guerraoui; Ron R. Levy; Marko Vukoli?
Testing fractal connectivity in multivariate long memory processes
Within the framework of long memory multivariate processes, fractal connectivity is a particular model, in which the low frequencies (coarse scales) of the interspectrum of each pair of process components are determined by the autospectra of the components. ...
H. Wendt; A. Scherrer; P. Abry; S. Achard
Profile Guided Load Marking for Memory Renaming
Memory operations remain a significant bottleneck in dynamically scheduled pipelined processors, due in part to the inability to statically determine the existence of memory address dependencies. Hardware memory renaming techniques have been proposed which predict which stores a load might be dependent upon. These prediction techniques can be used to speculatively forward a value from a predicted store dependency to a load through a value prediction table; however, these techniques require large and time-consuming hardware tables. In this paper we propose a software-guided approach for identifying dependencies between store and load instructions and the Load Marking (LM) architecture to communicate these dependencies to the hardware. Compiler analysis and profiles are used to find important store/load relationships, and these relationships are identified during execution via hints or an n-bit tag. For those loads that are not marked for renaming, we then use additional profiling inform...
Glenn Reinman; Brad Calder; Dean Tullsen; Gary Tyson; Todd Austin
We present and evaluate a new memory management technique foreliminating memory leaks in programs with dynamic memoryallocation. This technique observes the execution of the program on asequence of training inputsto find ...
The rope memory: a permanent storage device
A powerful way of increasing the capability and flexibility of digital computing systems is through the use of permanent storage memories. Such memories are also known as readonly memories or NDRO electrically unalterable memories. As an example of the ...
P. Kuttner
Dynamically replicated memory: building reliable systems from nanoscale resistive memories
DRAM is facing severe scalability challenges in sub-45nm tech- nology nodes due to precise charge placement and sensing hur- dles in deep-submicron geometries. Resistive memories, such as phase-change memory (PCM), already scale well beyond DRAM and ... Keywords: phase-change memory, write endurance
Engin Ipek; Jeremy Condit; Edmund B. Nightingale; Doug Burger; Thomas Moscibroda
High Temperature Shape Memory Alloys
Mar 5, 2013 ... Shape Memory Response of NiTiHfPd High Strength and High Hysteresis Shape Memory Alloys: Emre Acar1; Haluk Karaca1; Hirobumi Tobe1;�...
Thomas H. Smouse Memorial Fellowship
Awarded to a graduate student doing research in areas of interest to AOCS. Thomas H. Smouse Memorial Fellowship Thomas H. Smouse Memorial Fellowship graduate research scholastically outstanding Smouse Award Student Award Student Awards achievemen
Unifluxor: a permanent memory element
The Unifluxor is a new binary permanent memory element which appears to have the advantages of high-speed operation, easy fabrication, and low cost. Unlike cores, twistors, capacitors, and other commonly used memory devices, the Unifluxor does not depend ...
A. M. Renard; W. J. Neumann
Memory Usage Considerations on Franklin
the memory requirement vvia internal checking in their codes or by some tools. Craypat could track heap usage. And IPM also tracks memory usage. Last edited: 2013-06-30 08:33:51...
Shape memory polymer medical device
A system for removing matter from a conduit. The system includes the steps of passing a transport vehicle and a shape memory polymer material through the conduit, transmitting energy to the shape memory polymer material for moving the shape memory polymer material from a first shape to a second and different shape, and withdrawing the transport vehicle and the shape memory polymer material through the conduit carrying the matter.
Maitland, Duncan (Pleasant Hill, CA); Benett, William J. (Livermore, CA); Bearinger, Jane P. (Livermore, CA); Wilson, Thomas S. (San Leandro, CA); Small, IV, Ward (Livermore, CA); Schumann, Daniel L. (Concord, CA); Jensen, Wayne A. (Livermore, CA); Ortega, Jason M. (Pacifica, CA); Marion, III, John E. (Livermore, CA); Loge, Jeffrey M. (Stockton, CA)
Transparently consistent asynchronous shared memory
The advent of many-core processors is imposing many changes on the operating system. The resources that are under contention have changed; previously, CPU cycles were the resource in demand and required fair and precise sharing. Now compute cycles are ... Keywords: copy on write, memory management, memory sharing, virtual memory
Hakan Akkan, Latchesar Ionkov, Michael Lang
The memory book
In this paper we present an Augmented Reality book for remembering past events and to plan future ones. We have developed this system using Brainstorm eStudio. We have incorporated Augmented Reality options into Brainstorm eStudio using a plugin of ARToolKit. ... Keywords: augmented reality, memory book, storytelling
M. C. Juan; B. Rey; D. Perez; D. Tomas; M. Alca�iz
Library Book Memorial and
Library Book Memorial and Honorary Gift Program A university library provides the information or event. We will inform the individual or family of your gift and the book(s) we add to the library Enclosed is my $___________ contribution for gift books. K $20 or more -- Bookplate(s) K Under $20
VanDieren, Monica
Autonomous single-pass endmember approximation using lattice auto-associative memories
We propose a novel method for the autonomous determination of endmembers that employs recent results from the theory of lattice based auto-associative memories. In contrast to several other existing methods, the endmembers determined by the proposed ... Keywords: 87.19.lv, 87.85.dq, 93.85.Bc, 93.85.Pq, Abundance maps, Hyperspectral image analysis: endmember search, Lattice algebra: lattice independence, Lattice associative memories, Neural networks: associative memories, Spectral unmixing
Gerhard X. Ritter; Gonzalo Urcid; Mark S. Schmalz
Genepool Memory Heatmaps
Genepool Memory Heatmaps Genepool Memory Heatmaps Heatmap of Memory and Slots Requested vs Time Waited (in hours) | Queue: All | Last 7 Days Memory Requested Slots <5GB 5-10GB 10-20GB 20-30GB 30-40GB 40-50GB 50-100GB 100-150GB 150-200GB 200-256GB 256-512GB 512+GB Job Count Longest Wait 1 2.26 (2693) 10.5 (201167) 3.2 (11650) 0 1.75 (282) 1.49 (1627) 0.03 (1) 0 0 0 0 0 217420 538.96 2 0.26 (103) 1.02 (2817) 0 0 0 0 0 0 0 0 0 0 2920 9.1 4 1.55 (198) 1.48 (104) 0.34 (8) 0 0 0 1.86 (3) 0 0 0 0 0 313 20.48 6 0.01 (1) 0.09 (34) 0 0 0 0 0 0 0 0 0 0 35 1.22 8 0.34 (37) 6.15 (12376) 1.01 (17) 24.7 (1) 0.03 (3) 0 0.02 (6) 0 0 0 0 0 12440 46.16 10 0 8.56 (1) 0 0 0 0 0 0 0 0 0 0 1 8.56 16 0 0.03 (1) 0 0 0 0 0 0 0 0 0 0 1 0.03 24 0 0 0.01 (1) 0 0 0 0 0 0 0 0 0 1 0.01 32 0 0.01 (4) 0.05 (9) 0 0.01 (6) 0 0.0 (1) 0 0 0 0 0 20 0.26
Shape memory alloy actuator
An actuator for cycling between first and second positions includes a first shaped memory alloy (SMA) leg, a second SMA leg. At least one heating/cooling device is thermally connected to at least one of the legs, each heating/cooling device capable of simultaneously heating one leg while cooling the other leg. The heating/cooling devices can include thermoelectric and/or thermoionic elements.
Varma, Venugopal K. (Knoxville, TN)
Page placement in hybrid memory systems
Phase-Change Memory (PCM) technology has received substantial attention recently. Because PCM is byte-addressable and exhibits access times in the nanosecond range, it can be used in main memory designs. In fact, PCM has higher density and lower idle ... Keywords: hybrid memory, memory controller, phase-change memory
Luiz E. Ramos; Eugene Gorbatov; Ricardo Bianchini
APC: a performance metric of memory systems
Due to the infamous "memory wall" problem and a drastic increase in the number of data intensive applications, memory rather than processor has become the leading performance bottleneck of modern computing systems. Evaluating and understanding memory ... Keywords: measurement methodology, memory metric, memory performance measurement
Xian-He Sun; Dawei Wang
Applications of Shape Memory Alloys
Mar 3, 2011 ... More than 50 years after the discovery of shape memory alloys, and after investments of millions of dollars, there are very few successful�...
Using Hardware Memory Protection to Build a High-Performance, Strongly-Atomic Hybrid Transactional Memory
We demonstrate how fine-grained memory protection can be used in support of transactional memory systems: first showing how a software transactional memory system (STM) can be made strongly atomic by using memory protection on transactionally-held state, ... Keywords: Transactional Memory, Hybrid, Memory Protection, Primitives, Abort Handler, Strong Atomicity
Lee Baugh; Naveen Neelakantam; Craig Zilles
An analysis of MRAM based memory technologies
MRAM is a memory (RAM) technology that uses electron spin to store information. Often been called "the ideal memory", it can potentially combine the density of DRAM with the speed of SRAM and non-volatility of FLASH memory ...
Vijayaraghavan, Rangarajan, M. Eng. Massachusetts Institute of Technology
Shape memory alloy thaw sensors
A sensor permanently indicates that it has been exposed to temperatures exceeding a critical temperature for a predetermined time period. An element of the sensor made from shape memory alloy changes shape when exposed, even temporarily, to temperatures above the Austenitic temperature of the shape memory alloy. The shape change of the SMA element causes the sensor to change between two readily distinguishable states.
Shahinpoor, Mohsen (Albuquerque, NM); Martinez, David R. (Albuquerque, NM)
Memory exploration for low power, embedded systems
Keywords: cache simulator, design automation, low power design, low power embedded systems, memory exploration and optimization, memory hierarchy, off-chip data assignment
Wen-Tsong Shiue; Chaitali Chakrabarti
Shape memory metals. Final report
The ability to define a manufacturing process to form, heat-treat, and join parts made of nickel-titanium and/or copper-zinc-aluminum shape memory alloys was investigated. The specific emphasis was to define a process that would produce shape memory alloy parts in the configuration of helical coils emulating the appearance of compression springs. In addition, the mechanical strength of the finished parts along with the development of a electrical lead attachment method using shape memory alloy wire was investigated.
Dworak, T.D.
A durable and energy efficient main memory using phase change memory technology
Using nonvolatile memories in memory hierarchy has been investigated to reduce its energy consumption because nonvolatile memories consume zero leakage power in memory cells. One of the difficulties is, however, that the endurance of most nonvolatile ... Keywords: endurance, low power, phase change memory
Ping Zhou; Bo Zhao; Jun Yang; Youtao Zhang
OMC-INTEGRAL Memory Management
The management of the memory restrictions imposed by the processor (1750A) was one of the major difficulties found in designing the Software (SW) controlling the Optical Monitoring Camera (OMC) payload of the International Gamma Ray Laboratory (INTEGRAL) ...
Jose Manuel P�rez Lobato; Eva Mart�n Lobo
A sensor permanently indicates that it has been exposed to temperatures exceeding a critical temperature for a predetermined time period. An element of the sensor made from shape memory alloy changes shape when exposed, even temporarily, to temperatures above the austenitic temperature of the shape memory alloy. The shape change of the SMA element causes the sensor to change between two readily distinguishable states. 16 figs.
Shahinpoor, M.; Martinez, D.R.
Energy efficient Phase Change Memory based main memory for future high performance systems
Phase Change Memory (PCM) has recently attracted a lot of attention as a scalable alternative to DRAM for main memory systems. As the need for high-density memory increases, DRAM has proven to be less attractive from the point of view of scaling and ... Keywords: DDR3 commodity DRAM memory system, energy efficient phase change memory, main memory, future high performance systems, energy consumption, latency issues, write energy, write endurance, cache, embedded DRAM
R. A. Bheda; Jason A. Poovey; J. G. Beu; T. M. Conte
Effect of memory access and caching on high performance computing.
??High-performance computing is often limited by memory access. As speeds increase, processors are often waiting on data transfers to and from memory. Classic memory controllers� (more)
Groening, James
Ralph H. Potts Memorial Fellowship Award
Awarded to a graduate student doing research in fats and oils. Ralph H. Potts Memorial Fellowship Award Awards Program achievement aocs application award Awards baldwin distinguished division memorial nomination poster program recognizing research
Chapter 5: Virtual Memory Management 1 Virtual Memory Management
kernel data structures. The zone package This package facilitates fast allocation of memory for kernel data structures, some of which may be in time critical pieces of code. The zone package provides, organization, data structures, interactions. The emphasis is laid on both ma- chine dependent portion
Melbourne, University of
Available Technologies:Collective Memory Transfers for ...
APPLICATIONS OF TECHNOLOGY: High Performance Computing (HPC) Big Data processing and analysis; Processor manufacturers; Memory module manufacturers
Battelle Memorial Institute Technology Marketing Summaries ...
... applications and industries, and development stage. Battelle Memorial ... Typical existing armor for vehicles uses rigid plates of steel.
NIST Demonstrates Better Memory with Quantum Computer ...
... to demonstrate a quantum physics version of computer memory lasting ... prospects for making practical, reliable quantum computers (which make ...
Shape memory polymer foams for endovascular therapies
A system for occluding a physical anomaly. One embodiment comprises a shape memory material body wherein the shape memory material body fits within the physical anomaly occluding the physical anomaly. The shape memory material body has a primary shape for occluding the physical anomaly and a secondary shape for being positioned in the physical anomaly.
Wilson, Thomas S. (Castro Valley, CA); Maitland, Duncan J. (Pleasant Hill, CA)
Specifying memory consistency of write buffer multiprocessors
Write buffering is one of many successful mechanisms that improves the performance and scalability of multiprocessors. However, it leads to more complex memory system behavior, which cannot be described using intuitive consistency models, such as Sequential ... Keywords: Memory consistency framework, alpha, coherence, partial store order, relaxed memory order, sequential consistency, sparc multiprocessors, total store order, write-buffer architectures
Lisa Higham; Lillanne Jackson; Jalal Kawash
Multistable Circuits for Analog Memories Implementation
In this work two multistable circuits suitable for analog memories implementation will be presented. These circuits have been used to implement completely asynchronous analog memories, one type based on a flash converter and thus having a linear complexity ... Keywords: analog memories, asynchronous converters, successive approximations
Giorgio Biagetti; Massimo Conti; Simone Orcioni
The Tempest approach to distributed shared memory
This paper summarizes how distributed shared memory (DSM) can be both efficiently and portably supported by the Tempest interface. Tempest is a collection of mechanisms for communication and synchronization in parallel programs. These mechanisms provide ... Keywords: Tempest, Tempest interface, distributed shared memory, message passing, parallel programs, shared memory
David A. Wood; Mark D. Hill; James R. Larus
Algorithms and data structures for external memory
Data sets in large applications are often too massive to fit completely inside the computer's internal memory. The resulting input/output communication (or I/O) between fast internal memory and slower external memory (such as disks) can be a major performance ...
Reducing memory sharing overheads in distributed JVMs
Distributed JVM systems by supporting Java�s shared-memory model enable concurrent Java applications to run transparently on clusters of computers. Aiming to reduce the overheads associated to memory coherence enforcement mechanisms required in ... Keywords: JVM, Java, cluster computing, concurrent Java applications, distributed shared memory, high-performance computing
Marcelo Lobosco; Orlando Loques; Claudio L. de Amorim
Indiana Memorial Union Wells Library
Franklin Hall Bryan Hall Law Indiana Memorial Union Jordan Hall Morrison Hall Wells Library Loop (0.5 miles) IMU to Greenhouse (0.3 miles) Business to Law School (0.75 miles) Wells Library to Morrison Hall (0.5 miles) Wells Library to Muisc Library (0.4 miles) #12;
Indiana University
Bridging the memory access gap
The rapid growth of electronic data processing over the past two decades has been characterized by an almost insatiable appetite for larger and faster memories. In fact, over this period of time, on-line storage capacity has increased about three times ...
Dennis E. Speliotis
Trapped-flux superconducting memory
A memory cell based on trapped flux in superconductors has been built and tested. The cell is constructed entirely by vacuum evaporation of thin films and can be selected by coincident current or by other techniques, with drive-current requirements less ...
J. W. Crowe
CX-009184: Categorical Exclusion Determination | Department of...
Determination (0675-1538) Battelle Memorial Institute - Fault Sensing in Operating Batteries CX(s) Applied: B3.6 Date: 09062012 Location(s): Ohio, Ohio Offices(s): Advanced...
Mixed-sputter deposition of Ni-Ti-Cu shape memory films
Ni-Ti-Cu shape memory films were mixed-sputter deposited from separate nickel, titanium, and copper targets, providing increased compositional flexibility. Shape memory characteristics, examined for films with 7 at. % Cu and 41--51 at. % Tl, were determined with temperature controlled substrate curvature measurements, and microstructure was studied with transmission electron microscopy. The Ni-Ti-Cu films were found to have shape memory properties comparable to bulk materials, with transformation temperatures between 20 and 62{degree}C, a 10--13{degree}C hysteresis, and up to 330 MPa recoverable stress.
Krulevitch, P.; Ramsey, P.B.; Makowiecki, D.M.; Lee, A.P.; Northrup, M.A. [Lawrence Livermore National Lab., CA (United States); Johnson, G.C. [California Univ., Berkeley, CA (United States). Dept. of Mechanical Engineering
Release mechanism utilizing shape memory polymer material
Microfabricated therapeutic actuators are fabricated using a shape memory polymer (SMP), a polyurethane-based material that undergoes a phase transformation at a specified temperature (Tg). At a temperature above temperature Tg material is soft and can be easily reshaped into another configuration. As the temperature is lowered below temperature Tg the new shape is fixed and locked in as long as the material stays below temperature Tg. Upon reheating the material to a temperature above Tg, the material will return to its original shape. By the use of such SMP material, SMP microtubing can be used as a release actuator for the delivery of embolic coils through catheters into aneurysms, for example. The microtubing can be manufactured in various sizes and the phase change temperature Tg is determinate for an intended temperature target and intended use.
Lee, Abraham P. (Walnut Creek, CA); Northrup, M. Allen (Berkeley, CA); Ciarlo, Dino R. (Livermore, CA); Krulevitch, Peter A. (Pleasanton, CA); Benett, William J. (Livermore, CA)
Disaggregated memory for expansion and sharing in blade servers
Analysis of technology and application trends reveals a growing imbalance in the peak compute-to-memory-capacity ratio for future servers. At the same time, the fraction contributed by memory systems to total datacenter costs and power consumption during ... Keywords: disaggregated memory, memory blades, memory capacity expansion, power and cost efficiencies
Kevin Lim; Jichuan Chang; Trevor Mudge; Parthasarathy Ranganathan; Steven K. Reinhardt; Thomas F. Wenisch
Architecture extensions for efficient management of scratch-pad memory
Nowadays, many embedded processors include in their architecture on-chip static memories, so called scratch-pad memories (SPM). Compared to cache, these memories do not require complex control logic, thus resulting in increased efficiency both in silicon ... Keywords: embedded processors, memory architecture, scratch-pad memory
Jos� V. Busquets-Mataix; Carlos Catal�; Antonio Mart�-Campoy
Introspection-based memory de-duplication and migration
Memory virtualization abstracts a physical machine's memory resource and presents to the virtual machines running on it a piece of physical memory that could be shared, compressed and moved. To optimize the memory resource utilization by fully leveraging ... Keywords: introspection, memory de-duplication, vm migration
Jui-Hao Chiang; Han-Lin Li; Tzi-cker Chiueh
Experiments with Memory-to-Memory Coupling for End-to-End Fusion Simulation Workflows
Scientific applications are striving to accurately simulate multiple interacting physical processes that comprise complex phenomena being modeled. Efficient and scalable parallel implementations of these coupled simulations present challenging interaction ... Keywords: coupling, memory-to-memory, rdma, workflows
Ciprian Docan; Fan Zhang; Manish Parashar; Julian Cummings; Norbert Podhorszki; Scott Klasky
Rotary actuator utilizing a shape memory alloy
An apparatus is described comprising; (a) rotary accumulator means for accumulating a length of a shape memory alloy wire; (b) the shape memory alloy wire attached at one end to a point fixed with respect to the rotary accumulator means and attached at a second end to the rotary accumulator means; (c) biasing means for biasing the rotary accumulator means to a first position; and (d) means for heating the shape memory alloy wire to cause the shape memory alloy wire to contract, thereby rotating the rotary accumulator means from the first position to a second position.
Bloch, J.T.
Characterization of Shape Memory Alloys: Deformation Behavior
Feb 28, 2011... expected that NiTi shape memory alloys (SMA) actuators would provide simple and light weight replacements for controlling chevron-shaped�...
... Euclidean norm with an insignificant computational overhead compared with the cost of computing the quasi-Newton direction in line-search limited memory�...
Exploiting Data Similarity to Reduce Memory Footprints
Memory size has long limited large-scale applications on high-performance computing (HPC) systems. Since compute nodes frequently do not have swap space, physical memory often limits problem sizes. Increasing core counts per chip and power density constraints, which limit the number of DIMMs per node, have exacerbated this problem. Further, DRAM constitutes a significant portion of overall HPC system cost. Therefore, instead of adding more DRAM to the nodes, mechanisms to manage memory usage more efficiently - preferably transparently - could increase effective DRAM capacity and thus the benefit of multicore nodes for HPC systems. MPI application processes often exhibit significant data similarity. These data regions occupy multiple physical locations across the individual rank processes within a multicore node and thus offer a potential savings in memory capacity. These regions, primarily residing in heap, are dynamic, which makes them difficult to manage statically. Our novel memory allocation library, SBLLmalloc, automatically identifies identical memory blocks and merges them into a single copy. SBLLmalloc does not require application or OS changes since we implement it as a user-level library. Overall, we demonstrate that SBLLmalloc reduces the memory footprint of a range of MPI applications by 32.03% on average and up to 60.87%. Further, SBLLmalloc supports problem sizes for IRS over 21.36% larger than using standard memory management techniques, thus significantly increasing effective system size. Similarly, SBLLmalloc requires 43.75% fewer nodes than standard memory management techniques to solve an AMG problem.
Biswas, S; de Supinski, B R; Schulz, M; Franklin, D; Sherwood, T; Chong, F T
Memory resource management in vmware esx server
VMware ESX Server is a thin software layer designed to multiplex hardware resources efficiently among virtual machines running unmodified commodity operating systems. This paper introduces several novel ESX Server mechanisms and policies for managing memory. A ballooning technique reclaims the pages considered least valuable by the operating system running in a virtual machine. An idle memory tax achieves efficient memory utilization while maintaining performance isolation guarantees. Content-based page sharing and hot I/O page remapping exploit transparent page remapping to eliminate redundancy and reduce copying overheads. These techniques are combined to efficiently support virtual machine workloads that overcommit memory. 1
Carl A. Waldspurger
Memorandum Memorializing Ex Parte Communication - August 12,...
Memorandum Memorializing Ex Parte Communication - August 12, 2011 On August 9, 2011, the Air-Conditioning, Heating and Refrigeration Institute's (AHRI) Unitary Small Engineering...
Julian Szekely Memorial Symposium Rental Car Information
The Julian Szekely Memorial Symposium on Materials Processing will be held at the Royal Sonesta Hotel in Cambridge, Massachusetts, October 5-8, 1997.
Models on Distributed Memory Architectures
5/2004 Y.He 1 5/2004 Y.He 1 MPH: a Library for Coupling Multi-Component Models on Distributed Memory Architectures and its Applications Yun (Helen) He and Chris Ding CRD Division Lawrence Berkeley National Laboratory 10/15/2004 Y.He 2 10/15/2004 Y.He 3 Motivation n Application problems grow in scale & complexity n Effective organization of simulation software system that is maintainable, reusable, sharable, and efficient è a major issue n Community Climate System Model (CCSM) development n Software lasts much longer than a computer! 10/15/2004 Y.He 4
A DSL approach for object memory management of small devices
Small devices have a specific hardware configuration. In particular, they usually include several types of memories (typically ROM, internal and external RAM, Flash memory) different in quantities and properties. We propose an object memory management ...
Kevin Marquet; Gilles Grimaud
Distributed anemone: transparent low-latency access to remote memory
Performance of large memory applications degrades rapidly once the system hits the physical memory limit and starts paging to local disk. We present the design, implementation and evaluation of Distributed Anemone (Adaptive Network Memory Engine) ...
Michael R. Hines; Jian Wang; Kartik Gopalan
Shape memory polymer actuator and catheter
An actuator system is provided for acting upon a material in a vessel. The system includes an optical fiber and a shape memory polymer material operatively connected to the optical fiber. The shape memory polymer material is adapted to move from a first shape for moving through said vessel to a second shape where it can act upon said material.
Maitland, Duncan J. (Pleasant Hill, CA); Lee, Abraham P. (Walnut Creek, CA); Schumann, Daniel L. (Concord, CA); Matthews, Dennis L. (Moss Beach, CA); Decker, Derek E. (Byron, CA); Jungreis, Charles A. (Pittsburgh, PA)
Quantifying Dynamic Stability of Genetic Memory Circuits
Bistability/Multistability has been found in many biological systems including genetic memory circuits. Proper characterization of system stability helps to understand biological functions and has potential applications in fields such as synthetic biology. ... Keywords: Dynamic stability, genetic memory, gene circuit, dynamic noise margin.
Yong Zhang; Peng Li; Garng Huang
Memory Fault Modeling Trends: A Case Study
In recent years, embedded memories are the fastest growing segment of system on chip. They therefore have a major impact on the overall Defect per Million (DPM). Further, the shrinking technologies and processes introduce new defects that cause previously ... Keywords: data backgrounds, dynamic faults, fault coverage, fault models, memory tests, static faults
Said Hamdioui; Rob Wadsworth; John Delos Reyes; Ad J. Van De Goor
Optimizing memory accesses for spatial computation
In this paper we present the internal representation and optimizations used by the CASH compiler for improving the memory parallelism of pointer-based programs. CASH uses an SSA-based representation for memory, which compactly summarizes both control-flow-and ...
Mihai Budiu; Seth C. Goldstein
Optimum LDPC decoder: a memory architecture problem
This paper addresses a frequently overlooked problem: designing a memory architecture for an LDPC decoder. We analyze the requirements to support the codes defined in the IEEE 802.11n and 802.16e standards. We show a design methodology for a flexible ... Keywords: LDPC codes, low power architectures, memory optimization
Erick Amador; Renaud Pacalet; Vincent Rezard
DOE - Office of Legacy Management -- Memorial Hospital - NY 0...
Office of Legacy Management (LM)
Memorial Hospital - NY 0-16 FUSRAP Considered Sites Site: MEMORIAL HOSPITAL (NY.0-16 ) Eliminated from consideration under FUSRAP Designated Name: Not Designated Alternate Name:...
Crystallographic Boundary in a Magnetic Shape Memory Material
Home Science Highlights Science Briefs Crystallographic Boundary in a Magnetic Shape Memory Material Crystallographic Boundary in a Magnetic Shape Memory Material Print...
Rebuilding it Better: Greensburg, Kansas, Kiowa County Memorial...
it Better: Greensburg, Kansas, Kiowa County Memorial Hospital (Brochure) (Revised) Rebuilding it Better: Greensburg, Kansas, Kiowa County Memorial Hospital (Brochure) (Revised)...
A Quantum Information Retrieval Approach to Memory
As computers approach the physical limits of information storable in memory, new methods will be needed to further improve information storage and retrieval. We propose a quantum inspired vector based approach, which offers a contextually dependent mapping from the subsymbolic to the symbolic representations of information. If implemented computationally, this approach would provide exceptionally high density of information storage, without the traditionally required physical increase in storage capacity. The approach is inspired by the structure of human memory and incorporates elements of Gardenfors' Conceptual Space approach and Humphreys et al.'s matrix model of memory.
Kirsty Kitto; Peter Bruza; Liane Gabora
Crystallographic attributes of a shape-memory alloy
Shape-memory alloys are attractive for many potential applications. In an attempt to provide ideas and guidelines for the development of new shape-memory alloys, this paper reports on a series of investigations that examine the reasons in the crystallography that made (i) shape-memory alloys special amongst martensites and (ii) Nickel-Titanium special among shape-memory alloys.
Bhattacharya, K. [California Inst. of Tech., Pasadena, CA (United States). Div. of Engineering and Applied Science
L6: Memory Hierarchy Optimization III, Bandwidth Optimization
wherever there are capacity limitations Between grids if total data exceeds global memory capacity will "spill" data to local memory · Local memory Deals with capacity limitations of registers and shared Across thread blocks if shared data exceeds shared memory capacity (also to partition computation across
Hall, Mary W.
Journal of Experimental Psychology: Learning, Memory, and Cognition
explicit and implicit tests of memory (for reviews, see Graf & Masson, 1993; Lewandosky, Dunn, & Kirsner
Shimamura, Arthur P.
Persistent systems techniques in forensic acquisition of memory
In this paper we discuss how operating system design and implementation influence the methodology for computer forensics investigations, with the focus on forensic acquisition of memory. In theory the operating system could support such investigations ... Keywords: Computer forensics, Memory acquisition, Memory forensics, Memory persistence, Persistent operating systems
Ewa Huebner; Derek Bem; Frans Henskens; Mark Wallis
Memory energy management for an enterprise decision support system
Energy efficiency is an important factor in designing and configuring enterprise servers. In these servers, memory may consume 40% of the total system power. Different memory configurations (sizes, numbers of ranks, speeds, etc.) can have significant ... Keywords: memory power management, power-aware memory
Karthik Kumar; Kshitij Doshi; Martin Dimitrov; Yung-Hsiang Lu
Architecting phase change memory as a scalable dram alternative
Memory scaling is in jeopardy as charge storage and sensing mechanisms become less reliable for prevalent memory technologies, such as DRAM. In contrast, phase change memory (PCM) storage relies on scalable current and thermal mechanisms. To exploit ... Keywords: dram alternative, endurance, energy, pcm, performance, phase change memory, power, scalability
Benjamin C. Lee; Engin Ipek; Onur Mutlu; Doug Burger
Cork: dynamic memory leak detection for garbage-collected languages
A memory leak in a garbage-collected program occurs when the program inadvertently maintains references to objects that it no longer needs. Memory leaks cause systematic heap growth, degrading performance and resulting in program crashes after ... Keywords: dynamic, garbage collection, memory leak detection, memory leaks, runtime analysis
Maria Jump; Kathryn S. McKinley
Characterizing the Memory Behavior of Compiler-Parallelized Applications
Abstract�Compiler-parallelized applications are increasing in importance as moderate-scale multiprocessors become common. This paper evaluates how features of advanced memory systems (e.g., longer cache lines) impact memory system behavior for applications ... Keywords: Parallelizing compilers, memory hierarchies, shared-memory multiprocessors, cache performance, false and true sharing, parallelism granularity.
Evan Torrie; Margaret Martonosi; Chau-Wen Tseng; Mary W. Hall
Shared Memory Programming in Metacomputing Environments: The Global Array Approach
The performance of the Global Array shared-memory nonuniform memory-access programming model is explored in a wide-area-network (WAN) distributed supercomputer environment. The Global Array model is extended by introducing a concept of mirrored arrays ... Keywords: Metacomputing, NUMA memory architecture, distributed arrays, global arrays, shared-memory programming
Jarek Nieplocha; Robert Harrison
On Working Memory: Its organization and capacity limits
64 iii 6.2 Working memory capacity10 1.4 Capacity limits of workingcapacity . . . . . . . . . . . . . . . . . . . . . . . . . .
Lara, Antonio Homero
Why Has the Land Memory Changed?
The �land memory� refers to an interseasonal predictability of the summer monsoon rainfall in the southwestern United States, describing a relationship of the summer monsoon rainfall anomaly with anomalies in the antecedent winter season snow and ...
Qi Hu; Song Feng
The Neural Substrate of Orientation Working Memory
We have used positron emission tomography (PET) to identify the neural substrate of two major cognitive components of working memory (WM), maintenance and manipulation of a single elementary visual attribute, i.e., the orientation of a grating presented ...
L. Cornette; P. Dupont; E. Salmon; Guy A. Orban
30 days to a more powerful memory
With phones ringing off the hook, constantly changing to-do lists, and increasingly complicated schedules, having a good memory has become more important than ever. Drawing on the latest research from cognitive experts and psychologists, 30 Days to a ...
Gini Scott
Revisiting parallel rendering for shared memory machines
Increasing the core count of CPUs to increase computational performance has been a significant trend for the better part of a decade. This has led to an unprecedented availability of large shared memory machines. Programming paradigms and systems are ...
B. Nouanesengsy; J. Ahrens; J. Woodring; H. Shen
Commercialization of germanium based nanocrystal memory
This thesis explores the commercialization of germanium-based nanocrystal memories. Demand for smaller and faster electronics and embedded systems supports the development of high-density, low-power non-volatile electronic ...
Seow, Kian Chiew
A strategy of memory : Suzhou, China
The thesis is trying to establish a strategy of memory for the urban preservation of old cities, like Suzhou, within the context of the rapid growing economy in Southern China. The general attitude towards the problem ...
Chang, Ping Hung
Cultural differences on the children's memory scale
Memory is an essential component for learning. Deficits in verbal short-term memory (STM) and working memory (WM) are thought to hinder language learning, reading acquisition, and academic achievement. The Children�s Memory Scale (CMS) is an assessment instrument used to identify memory and learning deficits and strengths in children ages five through 16. This study investigated the impact of culture and parent educational level (PEL) on student performance on the Children�s Memory Scale using the CMS standardization data. The major question addressed was: Will CMS subtest performance differ significantly between ethnic groups or as a function of PEL? The results of this study support a relationship between STM and WM performance and culture. Culture as defined by ethnicity minimally impacted student subtest performance on the CMS when PEL was taken into account. In contrast, PEL was significantly associated with student subtest performance within each ethnic group. Student subtest performance improved with each increase in PEL regardless of ethnicity. CMS subtest performance of Hispanic and African American students was most affected by PEL; however, no difference occurred in subtest performance by ethnicity or as a function of PEL for African American and Hispanic students on the Family Pictures subtest which examines visual and auditory memory processes through recall of everyday life tasks in meaningful context. Although statistical significance was found between CMS subtest performance and cultural factors, the effect sizes were mainly in the small range and variance was not specific to any one subtest. Larger effect sizes were found on verbal subtests which in previous studies have been found to be most impacted by quality of schooling and lower PELs. Mean score differences did not exceed one standard deviation with the exception of one subtest. The results of this study provide a better understanding of the effect of culture and PEL on memory and learning.
Cash, Deborah Dyer
Distributed trace using central performance counter memory
A plurality of processing cores, are central storage unit having at least memory connected in a daisy chain manner, forming a daisy chain ring layout on an integrated chip. At least one of the plurality of processing cores places trace data on the daisy chain connection for transmitting the trace data to the central storage unit, and the central storage unit detects the trace data and stores the trace data in the memory co-located in with the central storage unit.
Satterfield, David L.; Sexton, James C.
Satterfield, David L; Sexton, James C
Imprinting the memory into paste and its visualization as crack patterns in drying process
In the drying process of paste, we can imprint into the paste the order how it should be broken in the future. That is, if we vibrate the paste before it is dried, it remembers the direction of the initial external vibration, and the morphology of resultant crack patterns is determined solely by the memory of the direction. The morphological phase diagram of crack patterns and the rheological measurement of the paste show that this memory effect is induced by the plasticity of paste.
Akio Nakahara; Yousuke Matsuo
Memory access scheduling and binding considering energy minimization in multi-bank memory systems
Memory-related activity is one of the major sources of energy consumption in embedded systems. Many types of memories used in embedded systems allow multiple operating modes (e.g., active, standby, nap, power-down) to facilitate energy saving. Furthermore, ... Keywords: binding, low energy design, scheduling
Chun-Gi Lyuh; Taewhan Kim
Shape memory system with integrated actuation using embedded particles
A shape memory material with integrated actuation using embedded particles. One embodiment provides a shape memory material apparatus comprising a shape memory material body and magnetic pieces in the shape memory material body. Another embodiment provides a method of actuating a device to perform an activity on a subject comprising the steps of positioning a shape memory material body in a desired position with regard to the subject, the shape memory material body capable of being formed in a specific primary shape, reformed into a secondary stable shape, and controllably actuated to recover the specific primary shape; including pieces in the shape memory material body; and actuating the shape memory material body using the pieces causing the shape memory material body to be controllably actuated to recover the specific primary shape and perform the activity on the subject.
Buckley, Patrick R. (New York, NY); Maitland, Duncan J. (Pleasant Hill, CA)
Compile-Time Compaction Of Traces For Memory Simulation
This thesis examines compile-time compaction of program execution traces. It presents a new method for compacting traces for memory simulation. Further, it describes a tool prototype that implements the method. Experiments with the tool prototype show that the new method reduces the time needed in simulating the operation of memories. Memory simulation is needed in the performance analysis and in the design of programs. In high performance applications, the data transfer between different layers of memory is one of the main bottlenecks. A program execution trace is a list of memory references. Using traces as simulation inputs is a flexible way of analyzing the memory perfor...
Vesa Hirvisalo; Vesa Hirvisalo; Dr. Tech Esko Nuutila
Organic Data Memory using the DNA Approach
A data preservation problem looms large behind today's information superhighway. During the prehistoric age, humans preserved their knowledge by engraving bones and rocks. About two millenniums ago, people invented paper and started writing and publishing. In today?s electronic age, we use magnetic media and silicon chips to store our data. But bones and rocks erode, paper disintegrates, and electronic memory simply loses its contents into thin air. All these storage media require constant attention to maintain their information content. All of them can easily be destroyed intentionally or accidentally by people or natural disasters. With the large amount of information generated by our society every day, it is time to think of a new generation of data memory. In an effort to search for an inexpensive and lasting data memory, scientists at the Pacific Northwest National Laboratory (PNNL) have investigated the use of deoxyribonucleic acid--commonly known as DNA--as an information storage medium since 1998. The ambitious goal is to develop a data memory technology that has a life expectancy much longer than any of the existing ones. The creation of our initial DNA memory prototype consists of four major steps: encoding meaningful information as artificial DNA sequences, transforming the sequences to living organisms, allowing the organisms to grow and multiply, and eventually extracting the information back from the organisms. This article describes the objective of our investigation, followed by a brief description of our recent experiments and several potential applications being considered at PNNL.
Wong, Pak C.; Wong, Kwong K.; Foote, Harlan P.
REMEM: REmote MEMory as Checkpointing Storage
Checkpointing is a widely used mechanism for supporting fault tolerance, but notorious in its high-cost disk access. The idea of memory-based checkpointing has been extensively studied in research but made little success in practice due to its complexity and potential reliability concerns. In this study we present the design and implementation of REMEM, a REmote MEMory checkpointing system to extend the checkpointing storage from disk to remote memory. A unique feature of REMEM is that it can be integrated into existing disk-based checkpointing systems seamlessly. A user can flexibly switch between REMEM and disk as checkpointing storage to balance the efficiency and reliability. The implementation of REMEM on Open MPI is also introduced. The experimental results confirm that REMEM and the proposed adaptive checkpointing storage selection are promising in both performance, reliability and scalability.
Jin, Hui [Illinois Institute of Technology; Sun, Xian-He [Illinois Institute of Technology; Chen, Yong [ORNL; Ke, Tao [Illinois Institute of Technology
Home-based Shared Virtual Memory
In this dissertation, I investigate how to improve the performance of shared virtual memory (SVM) by examining consistency models, protocols, hardware support and applications. The main conclusion of this research is that the performance of shared virtual memory can be significantly improved when performance-enhancing techniques from all these areas are combined. This dissertation proposes home-based lazy release consistency as a simple, effective, and scalable way to build shared virtual memory systems. In home-based protocols each shared page has a home to which all writes are propagated and from which all copies are derived. Two home-based protocols are described, implemented and evaluated on two hardware and software platforms: Automatic Update Release Consistency (AURC), which requires hardware support for fine-grained remote writes (automatic updates), and Homebased Lazy Release Consistency (HLRC), which is implemented exclusively in software. The dissertation investigates the ...
Liviu Iftode
A word-arranged magnetic-core memory is designed for use in a digital computer utilizing the reverse or back current property of the semi-conductor diodes to restore the information in the memory after read-out. In order to ob tain a read-out signal from a magnetic core storage unit, it is necessary to change the states of some of the magnetic cores. In order to retain the information in the memory after read-out it is then necessary to provide a means to return the switched cores to their states before read-out. A rewrite driver passes a pulse back through each row of cores in which some switching has taken place. This pulse combines with the reverse current pulses of diodes for each column in which a core is switched during read-out to cause the particular cores to be switched back into their states prior to read-out. (AEC)
Melmed, A.S.; Shevlin, R.T.; Laupheimer, R.
Memory device using movement of protons
An electrically written memory element utilizing the motion of protons within a dielectric layer surrounded by layers on either side to confine the protons within the dielectric layer with electrode means attached to the surrounding layers to change the spatial position of the protons within the dielectric layer. The device is preferably constructed as a silicon-silicon dioxide-silicon layered structure with the protons being introduced to the structure laterally through the exposed edges of the silicon dioxide layer during a high temperature anneal in an atmosphere containing hydrogen gas. The device operates at low power, is preferably nonvolatile, is radiation tolerant, and is compatible with convention silicon MOS processing for integration with other microelectronic elements on the same silicon substrate. With the addition of an optically active layer, the memory element becomes an electrically written, optically read optical memory element.
Warren, William L. (Albuquerque, NM); Vanheusden, Karel J. R. (Albuquerque, NM); Fleetwood, Daniel M. (Albuquerque, NM); Devine, Roderick A. B. (St. Martin le Vinoux, FR)
Estimating Local Memory of Tropical Cyclones through MPI Anomaly Evolution
This study examines the local memory of atmospheric and oceanic changes associated with a tropical cyclone (TC). The memory is quantified through anomalous maximum potential intensity (MPI) evolution for 20 days prior to the arrival of a TC ...
Robert E. Hart; Ryan N. Maue; Michael C. Watson
Speedy transactions in multicore in-memory databases
Silo is a new in-memory database that achieves excellent performance and scalability on modern multicore machines. Silo was designed from the ground up to use system memory and caches efficiently. For instance, it avoids all centralized contention points, ...
Stephen Tu, Wenting Zheng, Eddie Kohler, Barbara Liskov, Samuel Madden
Design and Implementation of High Speed Memory in 130 nm
This paper deals with the design and analysis of high speed SRAM memory using ATD (Address Transition Detector) technique in 130 nm with the capacitive load of the memory is 5pF
Sampath Kumar; Arti Noor; Sanjay Kr. Singh
Dynamic Memory Optimization using Pool Allocation and Prefetching
Heap memory allocation plays an important role in modern applications. Conventional heap allocators, however, generally ignore the underlying memory hierarchy of the system, favoring instead a low runtime overhead and fast ...
Zhao, Qin
Clotho: decoupling memory page layout from storage organization
As database application performance depends on the utilization of the memory hierarchy, smart data placement plays a central role in increasing locality and in improving memory utilization. Existing techniques, however, do not optimize accesses to all ...
Minglong Shao; Jiri Schindler; Steven W. Schlosser; Anastassia Ailamaki; Gregory R. Ganger
Teapot: language support for writing memory coherence protocols
Recent shared-memory parallel computer systems offer the exciting possibility of customizing memory coherence protocols to fit an application's semantics and sharing patterns. Custom protocols have been used to achieve message-passing performance---while ...
Satish Chandra; Brad Richards; James R. Larus
Intellectual property strategy : analysis of the flash memory industry
This thesis studies the intellectual property strategy of companies in the flash memory industry, with special emphasis on technology and the development of nitride-based flash, a new and emerging type of memory technology. ...
Ogura, Tomoko H
THE FOUNDATION, INC. THE ALLEN SHACKELFORD AIFD MEMORIAL SCHOLARSHIP FUND THE EULALAH OVERMEYER of an application for scholarship under The Allen Shackelford AIFD Memorial Scholarship Fund, The Eulalah Overmeyer
Schweik, Charles M.
Shape Memory Behavior of Heat Treated Ni60Ti40 (wt%)
About this Abstract. Meeting, Materials Science & Technology 2011. Symposium, Shape Memory Alloys. Presentation Title, Shape Memory Behavior of Heat�...
Precipitate Phases in Several High Temperature Shape Memory ...
About this Abstract. Meeting, Materials Science & Technology 2011. Symposium, Shape Memory Alloys. Presentation Title, Precipitate Phases in Several High�...
Physical and Mechanical Metallurgy of Shape Memory Alloys for ...
About this Symposium. Meeting, 2011 TMS Annual Meeting & Exhibition. Symposium, Physical and Mechanical Metallurgy of Shape Memory Alloys for Actuator�...
Societal Implicit Memory and his Speed on Tracking Extrema in ...
of emergent adaptive memory, cooperative learning and perception ..... comparison purposes, we plotted bold curves for static Ackley functions with respective�...
Improving the Performance of Software Distributed Shared Memory with Speculation
in a release consistent software distributed shared memory system. We propose a new protocol, Speculative Home-based
Alvisi, Lorenzo
The nature of the working memory system underlying language processing and its relationship to the long-term memory system
This thesis examines two questions concerning the working memory system underlying language processing: (1) To what extent is the working memory system underlying language processing domain-specific? and (2) What is the ...
Fedorenko, Evelina Georgievna
Direct match data flow memory for data driven computing
A data flow computer and method of computing is disclosed which utilizes a data driven processor node architecture. The apparatus in a preferred embodiment includes a plurality of First-In-First-Out (FIFO) registers, a plurality of related data flow memories, and a processor. The processor makes the necessary calculations and includes a control unit to generate signals to enable the appropriate FIFO register receiving the result. In a particular embodiment, there are three FIFO registers per node: an input FIFO register to receive input information form an outside source and provide it to the data flow memories; an output FIFO register to provide output information from the processor to an outside recipient; and an internal FIFO register to provide information from the processor back to the data flow memories. The data flow memories are comprised of four commonly addressed memories. A parameter memory holds the A and B parameters used in the calculations; an opcode memory holds the instruction; a target memory holds the output address; and a tag memory contains status bits for each parameter. One status bit indicates whether the corresponding parameter is in the parameter memory and one status bit to indicate whether the stored information in the corresponding data parameter is to be reused. The tag memory outputs a "fire" signal (signal R VALID) when all of the necessary information has been stored in the data flow memories, and thus when the instruction is ready to be fired to the processor.
Davidson, George S. (8516 San Francisco NE., Albuquerque, NM 87109); Grafe, Victor Gerald (1909 Saturn Ct. NE., Albuquerque, NM 87112)
Performance implications of fence-based memory models
Most mainstream shared-memory parallel programming languages are converging to a memory model, or shared variable semantics, centered on providing sequential consistency for most data-race-free programs. OpenMP, along with a small number of other languages, ... Keywords: OpenMP, atomic operations, critical sections, fences, locks, memory model
Hans-J. Boehm
Guide wire extension for shape memory polymer occlusion removal devices
A flexible extension for a shape memory polymer occlusion removal device. A shape memory polymer instrument is transported through a vessel via a catheter. A flexible elongated unit is operatively connected to the distal end of the shape memory polymer instrument to enhance maneuverability through tortuous paths en route to the occlusion.
Maitland, Duncan J. (Pleasant Hill, CA); Small, IV, Ward (Livermore, CA); Hartman, Jonathan (Sacramento, CA)
Better I/O through byte-addressable, persistent memory
Modern computer systems have been built around the assumption that persistent storage is accessed via a slow, block-based interface. However, new byte-addressable, persistent memory technologies such as phase change memory (PCM) offer fast, fine-grained ... Keywords: file systems, performance, phase change memory
Jeremy Condit; Edmund B. Nightingale; Christopher Frost; Engin Ipek; Benjamin Lee; Doug Burger; Derrick Coetzee
Energy Efficient Proactive Thermal Management in Memory Subsystem
Energy Efficient Proactive Thermal Management in Memory Subsystem Raid Ayoub rayoub management of memory subsystem is challenging due to performance and thermal constraints. Big energy gains appreciable energy savings in memory sub-system and mini- mize thermal problems. We adopt the consolidation
Simunic, Tajana
Quantum interference of electromagnetic fields from remote quantum memories
We observe quantum, Hong-Ou-Mandel, interference of fields produced by two remote atomic memories. High-visibility interference is obtained by utilizing the finite atomic memory time in four-photon delayed coincidence measurements. Interference of fields from remote atomic memories is a crucial element in protocols for scalable generation of multi-node remote qubit entanglement.
T. Chaneliere; D. N. Matsukevich; S. D. Jenkins; S. -Y. Lan; R. Zhao; T. A. B. Kennedy; A. Kuzmich
Nonlinear quantization on Hebbian-type associative memories
Hebbian-type associative memory is characterized by its simple architecture. However, the hardware implementation of Hebbian-type associative memories is normally complicated when there are a huge number of patterns stored. To simplify the interconnection ... Keywords: Hebbian-type associative memory, Interconnection, Neuron, Nonlinear quantization, Probability of direct convergence
Chishyan Liaw; Ching-Tsorng Tsai; Chao-Hui Ko
Self-Optimizing Memory Controllers: A Reinforcement Learning Approach
Efficiently utilizing off-chip DRAM bandwidth is a critical issuein designing cost-effective, high-performance chip multiprocessors(CMPs). Conventional memory controllers deliver relativelylow performance in part because they often employ fixed,rigid ... Keywords: Chip Multiprocessors, Memory Systems, Memory Controller, Machine Learning, Reinforcement Learning
Engin Ipek; Onur Mutlu; Jos� F. Mart�nez; Rich Caruana
Buffer memory optimization for video codec application modeled in Simulink
Reduction of the on-chip memory size is a key issue in video codec system design. Because video codec applications involve complex algorithms that are both data-intensive and control-dependent, memory optimization based on global and precise analysis ... Keywords: Simulink, memory size reduction, video codec application
Sang-Il Han; Xavier Guerin; Soo-Ik Chae; Ahmed A. Jerraya
A memory aid with remote communication using distributed technology
Electronic memory aids have been used successfully to give reminders to individuals with memory problems. These aids usually present short action reminders that are acknowledged by the user. The recent enhancement of handheld computers with wireless ... Keywords: Elderly, Memory-impaired users, Personal digital assistant, Remote communication
Andrea Szymkowiak; Kenny Morrison; Peter Gregor; Prveen Shah; J. Evans; A. Wilson
What Scientific Applications can Benefit from Hardware Transactional Memory?
Achieving efficient and correct synchronization of multiple threads is a difficult and error-prone task at small scale and, as we march towards extreme scale computing, will be even more challenging when the resulting application is supposed to utilize millions of cores efficiently. Transactional Memory (TM) is a promising technique to ease the burden on the programmer, but only recently has become available on commercial hardware in the new Blue Gene/Q system and hence the real benefit for realistic applications has not been studied, yet. This paper presents the first performance results of TM embedded into OpenMP on a prototype system of BG/Q and characterizes code properties that will likely lead to benefits when augmented with TM primitives. We first, study the influence of thread count, environment variables and memory layout on TM performance and identify code properties that will yield performance gains with TM. Second, we evaluate the combination of OpenMP with multiple synchronization primitives on top of MPI to determine suitable task to thread ratios per node. Finally, we condense our findings into a set of best practices. These are applied to a Monte Carlo Benchmark and a Smoothed Particle Hydrodynamics method. In both cases an optimized TM version, executed with 64 threads on one node, outperforms a simple TM implementation. MCB with optimized TM yields a speedup of 27.45 over baseline.
Schindewolf, M; Bihari, B; Gyllenhaal, J; Schulz, M; Wang, A; Karl, W
Predicting locality phases for dynamic memory optimization
Dynamic data, cache, and memory adaptation can significantly improve program performance when they are applied on long continuous phases of execution that have dynamic but predictable locality. To support phase-based adaptation, this paper defines the ... Keywords: Dynamic optimization, Locality analysis and optimization, Phase hierarchy, Program phase prediction, Reconfigurable architecture
Xipeng Shen; Yutao Zhong; Chen Ding
A Memory Efficient 3-D DWT Architecture
This paper proposes a memory efficientreal-time 3-D DWT algorithm and its architectural implementation. As the running JD-DWT refreshes the wavelet coefficients with the arrival of every two newframes, the latency of the conventional 3D-DWT reduces by ...
B. Das; Swapna Banerjee
Memory in the system: trajectory-environment
In the paper the memory effect in the system consisting from a trajectory of process and an environment is considered. The environment is presented by scalar potential and noise. The evolution of system is interpreted as process of the continuous "measurement" of a trajectory by an environment and\\or on the contrary. In this sense the measured value is entropy-the information about embedding of the trajectory into configurations space. The concepts "measurement" and "interaction" are identified alike in quantum theory. Thus, the entropy evolution is not only the effect of dynamics, but also its cause, if it is possible to speak about causality in this case. It is shown, that such non-elastic interaction leads to occurrence of memory in the system. The reflex memory mechanism is realized as a real conformal dynamic metrics. The metastable event (attractor) is defined and time of its life is estimated. It is shown, that in the system there is a change of dynamic modes from spatial localization to random walk (fluctuation, relaxation). On scale of the attractors dynamics the memory is appearing as a semi-regular (in some information sense) drift of the image of fluctuations in a power spectrum of environment to absolute minimum. The latter properties (topological convergence) attract the attention to algorithmic aspect of a considered system.
Maxim Budaev
Evaluating operating system vulnerability to memory errors
Reliability is of great concern to the scalability of extreme-scale systems. Of particular concern are soft errors in main memory, which are a leading cause of failures on current systems and are predicted to be the leading cause on future systems. While ... Keywords: DRAM failures, fault-tolerance, operating systems
Kurt B. Ferreira; Kevin Pedretti; Ron Brightwell; Patrick G. Bridges; David Fiala; Frank Mueller
A performance study of memory consistency models
Recent advances in technology are such that the speed of processors is increasing faster than memory latency is decreasing. Therefore the relative cost of a cache miss is becoming more important. However, the full cost of a cache miss need not be paid ...
Richard N. Zucker; Jean-Loup Baer
Cohesion: a hybrid memory model for accelerators
Two broad classes of memory models are available today: models with hardware cache coherence, used in conventional chip multiprocessors, and models that rely upon software to manage coherence, found in compute accelerators. In some systems, both types ... Keywords: accelerator, cache coherence, computer architecture
John H. Kelm; Daniel R. Johnson; William Tuohy; Steven S. Lumetta; Sanjay J. Patel
Verifying concurrent memory reclamation algorithms with grace
Memory management is one of the most complex aspects of modern concurrent algorithms, and various techniques proposed for it--such as hazard pointers, read-copy-update and epoch-based reclamation--have proved very challenging for formal reasoning. In ...
Alexey Gotsman; Noam Rinetzky; Hongseok Yang
Hybrid cache architecture with disparate memory technologies
Caching techniques have been an efficient mechanism for mitigating the effects of the processor-memory speed gap. Traditional multi-level SRAM-based cache hierarchies, especially in the context of chip multiprocessors (CMPs), present many challenges ... Keywords: hybrid cache architecture, three-dimensional ic
Xiaoxia Wu; Jian Li; Lixin Zhang; Evan Speight; Ram Rajamony; Yuan Xie
Exploring Shared Memory Protocols in FLASH
ABSTRACT The goal of this project was to improve the performance of large scientific and engineering applications through collaborative hardware and software mechanisms to manage the memory hierarchy of non-uniform memory access time (NUMA) shared-memory machines, as well as their component individual processors. In spite of the programming advantages of shared-memory platforms, obtaining good performance for large scientific and engineering applications on such machines can be challenging. Because communication between processors is managed implicitly by the hardware, rather than expressed by the programmer, application performance may suffer from unintended communication � communication that the programmer did not consider when developing his/her application. In this project, we developed and evaluated a collection of hardware, compiler, languages and performance monitoring tools to obtain high performance on scientific and engineering applications on NUMA platforms by managing communication through alternative coherence mechanisms. Alternative coherence mechanisms have often been discussed as a means for reducing unintended communication, although architecture implementations of such mechanisms are quite rare. This report describes an actual implementation of a set of coherence protocols that support coherent, non-coherent and write-update accesses for a CC-NUMA shared-memory architecture, the Stanford FLASH machine. Such an approach has the advantages of using alternative coherence only where it is beneficial, and also provides an evolutionary migration path for improving application performance. We present data on two computations, RandomAccess from the HPC Challenge benchmarks and a forward solver derived from LS-DYNA, showing the performance advantages of the alternative coherence mechanisms. For RandomAccess, the non-coherent and write-update versions can outperform the coherent version by factors of 5 and 2.5, respectively. In LS-DYNA, we obtain improvements of 18% on average using the non-coherent version. We also present data on the SpecOMP benchmarks, showing that the protocols have a modest overhead of less than 3% in applications where the alternative mechanisms are not needed. In addition to the selective coherence studies on the FLASH machine, in the last six months of this project ISI performed research on compiler technology for the transactional memory (TM) programming model being developed at Stanford. As part of this research ISI developed a compiler that recognizes transactional memory �pragmas� and automatically generates parallel code for the TM programming model
Horowitz, Mark; Kunz, Robert; Hall, Mary; Lucas, Robert; Chame, Jacqueline
Reinforcement Learning for Active Length Control and Hysteresis Characterization of Shape Memory Alloys
Shape Memory Alloy actuators can be used for morphing, or shape change, by controlling their temperature, which is effectively done by applying a voltage difference across their length. Control of these actuators requires determination of the relationship between voltage and strain so that an input-output map can be developed. In this research, a computer simulation uses a hyperbolic tangent curve to simulate the hysteresis behavior of a virtual Shape Memory Alloy wire in temperature-strain space, and uses a Reinforcement Learning algorithm called Sarsa to learn a near-optimal control policy and map the hysteretic region. The algorithm developed in simulation is then applied to an experimental apparatus where a Shape Memory Alloy wire is characterized in temperature-strain space. This algorithm is then modified so that the learning is done in voltage-strain space. This allows for the learning of a control policy that can provide a direct input-output mapping of voltage to position for a real wire. This research was successful in achieving its objectives. In the simulation phase, the Reinforcement Learning algorithm proved to be capable of controlling a virtual Shape Memory Alloy wire by determining an accurate input-output map of temperature to strain. The virtual model used was also shown to be accurate for characterizing Shape Memory Alloy hysteresis by validating it through comparison to the commonly used modified Preisach model. The validated algorithm was successfully applied to an experimental apparatus, in which both major and minor hysteresis loops were learned in temperature-strain space. Finally, the modified algorithm was able to learn the control policy in voltage-strain space with the capability of achieving all learned goal states within a tolerance of +-0.5% strain, or +-0.65mm. This policy provides the capability of achieving any learned goal when starting from any initial strain state. This research has validated that Reinforcement Learning is capable of determining a control policy for Shape Memory Alloy crystal phase transformations, and will open the door for research into the development of length controllable Shape Memory Alloy actuators.
Kirkpatrick, Kenton C.
Purify: Fast detection of memory leaks and access errors
This paper describes Purifyru, a software testing and quality assurance Ool that detects memory leaks and access erors. Purify inserts additional checking instructions directly into the object code produced by existing compilers. These instructions check every memory read and write performed by the program-under-test and detect several types of access errors, such as reading uninitialized memory or witing to freed memory. Purify inserts checking logic into all of the code in a program, including third-party and vendor object-code libraries, and verifies system call interfaces. In addition, Purify tracks memory usage and identifies individual memory leals using a novel adaptation of garbage collection techniques. Purify produce standard executable files compatible with existing debuggers, and currently runs on Sun Microsystems ' SPARC family of workstations. Purify's neafly-comprehensive memory access checking slows the target program down typically by less than a facor of three and has resulted in significantly more reliable software for several development goups. L.
Reed Hastings; Bob Joyce
A new parallel sorting approach with sorting memory module
A new approach to accelerating parallel sorting processes is introduced in this paper. This approach involves the design of a new type of memory chip with sorting functions. This type of sorting memory chip is feasible with today's VLSI techniques. A memory module organizing several sorting memory chips associated with additional ECL or TTL control logic circuits is also presented. Using the sorting memory modules in a shared memory parallel processor machine, parallel sorting algorithms such as the column sort method can reduce the row access time significantly and avoid data collisions in the interconnection network. Experimental simulation results on the practical speedup achieved and the memory utilization for the proposed approach are described.
Zhu, C.Q. (Illinois Univ., Urbana, IL (USA). Center for Supercomputing Research and Development); Fang, Z. (Research and Development, Concurrent Computer Corp., Tinton Falls, NJ (US)); Li, X. (Dept. of Computing Science, Univ. of Alberta, Edmonton, Alberta (CA))
Disorder-Induced Microscopic Magnetic Memory
Disorder-Induced Microscopic Disorder-Induced Microscopic Magnetic Memory Disorder-Induced Microscopic Magnetic Memory Print Wednesday, 26 October 2005 00:00 The magnetic-recording industry deliberately introduces carefully controlled disorder into its materials to obtain the desired magnetic properties. But as the density of magnetic disks climbs, the size of the magnetic domains responsible for storage must decrease, posing new challenges. Beautiful theories based on random microscopic disorder have been developed over the past ten years. To directly compare these theories with precise experiments, an American-European team, led by researchers from the University of Washington, Seattle, first developed and then applied coherent x-ray speckle metrology to microscopic magnetic domains in a series of thin multilayer perpendicular magnetic materials of varying disorder. Their results, at odds with all previous theories, have set a new reference point for future theories.
Disorder-Induced Microscopic Magnetic Memory Print Disorder-Induced Microscopic Magnetic Memory Print The magnetic-recording industry deliberately introduces carefully controlled disorder into its materials to obtain the desired magnetic properties. But as the density of magnetic disks climbs, the size of the magnetic domains responsible for storage must decrease, posing new challenges. Beautiful theories based on random microscopic disorder have been developed over the past ten years. To directly compare these theories with precise experiments, an American-European team, led by researchers from the University of Washington, Seattle, first developed and then applied coherent x-ray speckle metrology to microscopic magnetic domains in a series of thin multilayer perpendicular magnetic materials of varying disorder. Their results, at odds with all previous theories, have set a new reference point for future theories.
Complex bodies with memory: linearized setting
The mechanics of complex bodies with memory effects is discussed in linearized setting. The attention is focused on the characterization of free energies in terms of minimum work and maximum recoverable work in the bulk and along a discontinuity surface endowed with its own surface energy, a surface internal to the body. To this aim, use is made of techniques proposed by Del Piero. Consequences of the Clausius-Duhem inequality are investigated for complex bodies with instantaneous linear elastic response.
Paolo Maria Mariano; Paolo Paoletti
Optimal superdense coding over memory channels
We study the superdense coding capacity in the presence of quantum channels with correlated noise. We investigate both the cases of unitary and nonunitary encoding. Pauli channels for arbitrary dimensions are treated explicitly. The superdense coding capacity for some special channels and resource states is derived for unitary encoding. We also provide an example of a memory channel where nonunitary encoding leads to an improvement in the superdense coding capacity.
Shadman, Z.; Kampermann, H.; Bruss, D.; Macchiavello, C. [Institute fuer Theoretische Physik III, Heinrich-Heine-Universitaet Duesseldorf, DE-40225 Duesseldorf (Germany); Dipartimento di Fisica ''A. Volta'' and INFM-Unita di Pavia, Via Bassi 6, IT-27100 Pavia (Italy)
Shape Memory Polymer Therapeutic Devices for Stroke
Shape memory polymers (SMPs) are attracting a great deal of interest in the scientific community for their use in applications ranging from light weight structures in space to micro-actuators in MEMS devices. These relatively new materials can be formed into a primary shape, reformed into a stable secondary shape, and then controllably actuated to recover their primary shape. The first part of this presentation will be a brief review of the types of polymeric structures which give rise to shape memory behavior in the context of new shape memory polymers with highly regular network structures recently developed at LLNL for biomedical devices. These new urethane SMPs have improved optical and physical properties relative to commercial SMPs, including improved clarity, high actuation force, and sharper actuation transition. In the second part of the presentation we discuss the development of SMP based devices for mechanically removing neurovascular occlusions which result in ischemic stroke. These devices are delivered to the site of the occlusion in compressed form, are pushed through the occlusion, actuated (usually optically) to take on an expanded conformation, and then used to dislodge and grip the thrombus while it is withdrawn through the catheter.
Wilson, T S; Small IV, W; Benett, W J; Bearinger, J P; Maitland, D J
Performance of memory reclamation for lockless synchronization
Achieving high performance for concurrent applications on modern multiprocessors remains challenging. Many programmers avoid locking to improve performance, while others replace locks with non-blocking synchronization to protect against deadlock, priority inversion, and convoying. In both cases, dynamic data structures that avoid locking require a memory reclamation scheme that reclaims elements once they are no longer in use. The performance of existing memory reclamation schemes has not been thoroughly evaluated. We conduct the first fair and comprehensive comparison of three recent schemes�quiescent-state-based reclamation, epoch-based reclamation, and hazard-pointer-based reclamation�using a flexible microbenchmark. Our results show that there is no globally optimal scheme. When evaluating lockless synchronization, programmers and algorithm designers should thus carefully consider the data structure, the workload, and the execution environment, each of which can dramatically affect the memory reclamation performance. We discuss the consequences of our results for programmers and algorithm designers. Finally, we describe the use of one scheme, quiescentstate-based reclamation, in the context of an OS kernel�an execution environment which is well suited to this scheme.
Thomas E. Hart; Paul E. McKenney; Angela Demke Brown; Jonathan Walpole
Beef Curriculum Committee Meeting Minutes February 2, 2013 Boscawen, NH
) (Carroll); Jean Rudolph (Cheshire); and Rhiannon Beauregard (Rockingham) c. Names of Some Folks that should
New Hampshire, University of
HitME: low power Hit MEmory buffer for embedded systems
In this paper, we present a novel HitME (Hit-MEmory) buffer to reduce the energy consumption of memory hierarchy in embedded processors. The HitME buffer is a small direct-mapped cache memory that is added as additional memory into existing cache memory ...
Andhi Janapsatya; Sri Parameswaran; Aleksandar Ignjatovi?
(Ni,Pt)Ti High Temperature Shape Memory Alloys
About this Abstract. Meeting, Materials Science & Technology 2011. Symposium, Shape Memory Alloys. Presentation Title, Phase Field Modeling of P-Phase�...
Novel and NiTi-based Shape Memory Alloys
Mar 4, 2013 ... Phase Constitution, Mechanical and Shape Memory Properties of (Pt,Co)Ti Alloys: Hideki Hosoda1; Satoshi Tsutsumi1; Masaki Tahara1;�...
Superelastic and Shape Memory Effects of Copper-Based Shape ...
Abstract Scope, Shape memory alloys have been considered for applications as sensors, actuators, and energy-absorbing materials because of their impressive�...
(Brochure) (Revised) This brochure details the sustainable and green aspects of the LEED Platinum-designed Kiowa County Memorial Hospital in Greensburg, Kansas. 47461.pdf More...
Rebuilding it Better: Greensburg, Kansas, Kiowa County Memorial Hospital (Brochure)
This brochure details the sustainable and green aspects of the LEED Platinum-designed Kiowa County Memorial Hospital in Greensburg, Kansas.
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Whirlpools on the Nanoscale Could Multiply Magnetic Memory
cells housed on nanoscale metal disks, instead of the two-bit magnetic domains of standard magnetic memories. In magnetic vortices, parallel electron spins point either...
Optimization Online - On Efficiently Combining Limited Memory and ...
Nov 25, 2013... the limited memory methods are usually combined with a line search. ... by the Euclidean norm with an insignificant computational overhead�...
Y-12 historian assists in Lincoln Memorial University display...
National Nuclear Security Administration (NNSA)
of Lincoln Memorial University in Harrogate, Tenn. Located in LMU's new Math and Science Building, the display pays tribute to nuclear energy research and the subsequent creation...
Fundamentals of Shape Memory and Related Transitions (Electronic ...
Jun 1, 2007 ... These papers are based on presentations prepared for the symposium Fundamentals of Shape Memory and Related Transitions. The original�...
False Memories of UFO Encounters: An fMRI Investigation .
??The idea of �false memories� for traumatic events has powered numerous controversies. For this reason, the present study was designed as an attempt to resolve� (more)
Lambrinos, Angela
Physical and Mechanical Metallurgy of. Shape Memory Alloys for Actuator Applications. Sponsored by. TMS Structural Materials Division (SMD). TMS/ASM: �...
Institute of Computer Science New class of limited-memory ...
Institute of Computer Science. Academy of Sciences of the Czech Republic. New class of limited-memory variationally-derived variable metric methods. J. Vlcek�...
Institute of Computer Science Limited-memory projective variable ...
Institute of Computer Science. Academy of Sciences of the Czech Republic. Limited-memory projective variable metric methods for unconstrained minimization.
Building Green in Greensburg: Kiowa County Memorial Hospital
This poster highlights energy efficiency, renewable energy, and sustainable features of the high-performing Kiowa County Memorial Hospital building in Greensburg, Kansas.
Strata: wait-free synchronization with efficient memory reclamation by using chronological memory allocation
A locking is the typical mechanism to coordinate the race between multiple threads. But it downgrades the overall system performance due to the waiting time for the locked data to be unlocked. Wait-free synchronization is the one of the schemes to cope ... Keywords: memory management, wait-free synchronization
Eunhwan Shin; Inhyuk Kim; Junghan Kim; Young Ik Eom
Allegories of Modernity, Geographies of Memory
This dissertation examines how postmodernist narratives of memory in Graham Swift's Waterland, Salman Rushdie's Midnight's Children, and Amitav Ghosh's The Shadow Lines retrieve the stories of those who have been lost or forgotten in official history and refigure the temporal and spatial imaginary in intertwining personal stories of crisis with public history through acts of remembering. Questioning the modernist ideology of progress based on the idea of linear sequence of time, the novels not only retrace the heterogeneous and discontinuous layers of stories overlooked or repressed in official accounts of modern history, but also re-examine the contradictory and contested process by which subjects are situated or positioned, and its effects on the production of knowledge. These postmodern historical novels examine history as a discourse and explore its limits. The narrators of the novels are engaged with an autobiographical act of rewriting their lives, but their efforts to reconstitute themselves in unity and continuity are undermined by the disjunctive narrative form of the novels. The layered narrative of memory through which the novels reconstruct modern history is allegorical in the double sense that it exposes the act of signification by decentering the symbol of the transcendental signifier while telling an allegorical story of personal and familial history that mirrors national history in a fragmented way. In Waterland, Tom Crick retells his personal and familial stories intertwined with local and national history as alternative history lessons and challenges the Idea of Progress by revisiting sites of traumatic memory. Midnight's Children constructs counter-stories of Post-Independence India as multiple alternatives to one official version of history and addresses the limits of history in terms of "a border zone of temporality." In The Shadow Lines, the narrator retells his family history as a story of borders through his struggle with gaps in official history and creates a national imaginary with mirror images and events. The postmodernist narrative of memory in these novels turns the time of the now into a time for the "past as to come," a time to detect the unrealized and unfulfilled possibilities of the past, through retellings of the past.
Jeon, Seenhwa
Nickel porphyrins for memory optical applications
The present invention relates to a nickel-porphyrin derivative in a matrix, the nickel-porphyrin derivative comprising at least two conformational isomers, a lower-energy-state conformer and a higher-energy-state conformer, such that when the higher-energy-state conformer is generated from the lower-energy-state conformer following absorption of a photon of suitable energy, the time to return to the lower-energy-state conformer is greater than 40 nanoseconds at approximately room temperature. The nickel-porphyrin derivative is useful in optical memory applications.
Shelnutt, John A. (Tijeras, NM); Jia, Songling (Albuquerque, NM); Medforth, Craig (Vacaville, CA); Holten, Dewey (St. Louis, MO); Nelson, Nora Y. (Manteca, CA); Smith, Kevin M. (Davis, CA)
Oil Price Trackers Inspired by Immune Memory
We outline initial concepts for an immune inspired algorithm to evaluate and predict oil price time series data. The proposed solution evolves a short term pool of trackers dynamically, with each member attempting to map trends and anticipate future price movements. Successful trackers feed into a long term memory pool that can generalise across repeating trend patterns. The resulting sequence of trackers, ordered in time, can be used as a forecasting tool. Examination of the pool of evolving trackers also provides valuable insight into the properties of the crude oil market.
Wilson, WIlliam; Aickelin, Uwe
Highly multimode memory in a crystal
We experimentally demonstrate the storage of 1060 temporal modes onto a thulium-doped crystal using an atomic frequency comb (AFC). The comb covers 0.93 GHz defining the storage bandwidth. As compared to previous AFC preparation methods (pulse sequences i.e. amplitude modulation), we only use frequency modulation to produce the desired optical pumping spectrum. To ensure an accurate spectrally selective optical pumping, the frequency modulated laser is self-locked on the atomic comb. Our approach is general and should be applicable to a wide range of rare-earth doped material in the context of multimode quantum memory.
Bonarota, M; Chaneli�re, T
M. Bonarota; J. -L. Le Gou�t; T. Chaneli�re
Hybrid NOrec: a case study in the effectiveness of best effort hardware transactional memory
Transactional memory (TM) is a promising synchronization mechanism for the next generation of multicore processors. Best-effort Hardware Transactional Memory (HTM) designs, such as Sun's prototype Rock processor and AMD's proposed Advanced Synchronization ... Keywords: transactional memory
Luke Dalessandro; Fran�ois Carouge; Sean White; Yossi Lev; Mark Moir; Michael L. Scott; Michael F. Spear
Final Technical Report: Nanostructured Shape Memory ALloys
With this grant we explored the properties that result from combining the effects of nanostructuring and shape memory using both experimental and theoretical approaches. We developed new methods to make nanostructured NiTi by melt-spinning and cold rolling fabrication strategies, which elicited significantly different behavior. A template synthesis method was also used to created nanoparticles. In order to characterize the particles we created, we developed a new magnetically-assisted particle manipulation technique to manipulate and position nanoscale samples for testing. Beyond characterization, this technique has broader implications for assembly of nanoscale devices and we demonstrated promising applications for optical switching through magnetically-controlled scattering and polarization capabilities. Nanoparticles of nickel-titanium (NiTi) shape memory alloy were also produced using thin film deposition technology and nanosphere lithography. Our work revealed the first direct evidence that the thermally-induced martensitic transformation of these films allows for partial indent recovery on the nanoscale. In addition to thoroughly characterizing and modeling the nanoindentation behavior in NiTi thin films, we demonstrated the feasibility of using nanoindentation on an SMA film for write-read-erase schemes for data storage.
Wendy Crone; Walter Drugan; Arthur Ellis; John Perepezko
Symposium in Memory of Robert H. Siemann
The Symposium in Memory of Robert H. Siemann was held on July 7th, 2009 to honor the life and achievements of one of the pioneers of accelerator physics. Speakers and participants from around the world came together at SLAC to celebrate his contributions to science and to the scientific community. Speakers from each of the chapters of Bob's life were asked to provide a broad retrospective of the man and his career. Students provided brief perspectives of specific aspects of his work, and of his role as a mentor. The Siemann family attended and offered personal reminiscences. A redwood tree and memorial plaque were dedicated on the SLAC main Green in his honor. Many who attended the event felt they had learned something they did not know about their longtime colleague. In the pages that follow, the prepared remarks and slides of speakers have been collected. The richness of the contributions and breadth of topics covered are a reflection of the richness and breadth of Bob's life. The event was video recorded, and may be viewed at the SLAC library or online through the SLAC website.
Power shifts in web-based translation memory
Web-based translation memory (TM) is a recent and little-studied development that is changing the way localisation projects are conducted. This article looks at the technology that allows for the sharing of TM databases over the internet to find out ... Keywords: Internationalization, Localization, Machine-aided translation, Translation memory, Web-based translation
Ignacio Garcia
Curating Memory: 9/11 Commemoration and Foucault's Archive
This study of commemoration of 9/11 on the 10th anniversary is performed at the intersection of public memory and rhetorical studies. Examining the role of the individual within public memory, this study furthers both fields by expanding on the definitions, processes, and negotiation between official and vernacular discourse. With a theoretical frame work that uses Foucault's concept of discursive archive, rhetors involved in the creation of public memory are framed as curators of a discursive archive of 9/11 memory. The role and limitations of the curatorial role is explored in three cases studies: a local ceremony, national newspapers, and Twitter hashtags. The study finds that there is a complicated interaction between vernacular and official memory and narrow definitions of the terms are not sufficient to describe the processes through which individuals take part in public memory. Rhetors involved in the public memory process may take on complex and ambiguous roles within the entangled discourses of official and vernacular memory. Within these case studies, individual curators crafted messages about the 10th anniversary of 9/11 that reify the importance of individuals tied to particular groups, urge for unity, and focus on the ten years since the tragedies.
Rowe, Sara 1988-
Fragile X syndrome: Neural network models of sequencing and memory
A comparative framework of memory processes in males with fragile X syndrome (FXS) and typically developing (TYP) mental age-match children is presented. Results indicate a divergence in sequencing skills, such that males with FXS recall sequences similarly ... Keywords: FXS, Fragile X syndrome, Intellectual disabilities, Literacy, Memory in atypical populations, Modeling, Neural networks, Phonology
Mina C. Johnson-Glenberg
SPLASH: Stanford parallel applications for shared-memory
We present the Stanford Parallel Applications for Shared-Memory (SPLASH), a set of parallel applications for use in the design and evaluation of shared-memory multiprocessing systems. Our goal is to provide a suite of realistic applications that will ...
Jaswinder Pal Singh; Wolf-Dietrich Weber; Anoop Gupta
Memory access problems in block cyclic reduction on vector computers
In the present paper, modifications of block cyclic reduction are introduced by which the often significant memory access problems of this method on vector computers can be drastically reduced. The modifications are discussed in the context of an interval ... Keywords: Block cyclic reduction, interval arithmetics, memory access problems, vector computers
Hartmut Schwandt
Freely movable ferromagnetic shape memory nanostructures for actuation
This paper presents the design and fabrication of freely movable ferromagnetic shape memory nanostructures for actuation in nanometer dimensions. Ni-Mn-Ga is chosen as a transducer material as it combines the shape memory effect and ferromagnetic properties. ... Keywords: Electron beam lithography, Epitaxial Ni-Mn-Ga films, Ion beam etching, Nanostructures
M. Schmitt; A. Backen; S. F�Hler; M. Kohl
2013 Special Issue: Controlling working memory with learned instructions
Many neural network models of cognition rely heavily on the modeler for control over aspects of model behavior, such as when to learn and whether an item is judged to be present in memory. Developing neurocomputational methods that allow these cognitive ... Keywords: Adaptive gating, Cognitive control, Hopfield attractor networks, Temporally asymmetric Hebbian learning, Working memory, n-back
J. C. Sylvester; J. A. Reggia; S. A. Weems; M. F. Bunting
Safe optimisations for shared-memory concurrent programs
Current proposals for concurrent shared-memory languages, including C++ and C, provide sequential consistency only for programs without data races (the DRF guarantee). While the implications of such a contract for hardware optimisations are relatively ... Keywords: compiler optimizations, relaxed memory models, semantics
Jaroslav �ev?�k
Minimizing bank selection instructions for partitioned memory architecture
Bank switching is a technique that increases the code and data memory in microcontrollers without extending the address buses. Given a program in which variables have been assigned to data banks, we present a novel optimization technique that minimizes ... Keywords: PBQP, RAM allocation, bank-switching, compiler optimization, microcontrollers, partitioned memory architecture
Bernhard Scholz; Bernd Burgstaller; Jingling Xue
Performance directed energy management for main memory and disks
Much research has been conducted on energy management for memory and disks. Most studies use control algorithms that dynamically transition devices to low power modes after they are idle for a certain threshold period of time. The control algorithms ... Keywords: Disk energy management, adaptation algorithms, control algorithms, low-power design, memory energy management, multiple-power mode device, performance guarantee
Xiaodong Li; Zhenmin Li; Yuanyuan Zhou; Sarita Adve
A frequent-value based PRAM memory architecture
Phase Change Random Access Memory (PRAM) has great potential as the replacement of DRAM as main memory, due to its advantages of high density, non-volatility, fast read speed, and excellent scalability. However, poor endurance and high write energy appear ...
Guangyu Sun; Dimin Niu; Jin Ouyang; Yuan Xie
Zooming, Multiple Windows, and Visual Working Memory Matthew Plumlee
1 Zooming, Multiple Windows, and Visual Working Memory Matthew Plumlee Department of Computer, USA E-mail: email@example.com ABSTRACT Zooming and multiple windows are two techniques designed windows comes in the way they aid visual working memory. The task to which we apply our model
Peculiar aspects of nanocrystal memory cells: data and extrapolations
Nanocrystal memory cell are a promising candidate for the scaling of nonvolatile memories in which the conventional floating gate is replaced by an array of nanocrystals. The aim of this paper is to present the results of a thorough investigation of ...
I. Crupi; D. Corso; G. Ammendola; S. Lombardo; C. Gerardi; B. DeSalvo; G. Ghibaudo; E. Rimini; M. Melanotte
Broad-coverage parsing using human-like memory constraints
Human syntactic processing shows many signs of taking place within a general-purpose short-term memory. But this kind of memory is known to have a severely constrained storage capacity---possibly constrained to as few as three or four distinct elements. ...
William Schuler; Samir AbdelRahman; Tim Miller; Lane Schwartz
Organizational Memory/Knowledge Effects on Productivity: A Longitudinal Study
This paper discusses a longitudinal study that explored the relationship between use of organizational memory and knowledge (OM/K) and knowledge worker productivity within the engineering group at a nuclear power plant. Three data points were taken over ... Keywords: Knowledge Management Systems, Organizational Memory Systems, Organizational Learning, IS Success
M. Jennex; L. Olfman
Transactional memories for multi-processor FPGA platforms
Programming efficiency of heterogeneous concurrent systems is limited by the use of lock-based synchronization mechanisms. Transactional memories can greatly improve the programming efficiency of such systems. In field-programmable computing machines, ... Keywords: Multi-processor FPGAs, Transactional memories
Christoforos Kachris; Chidamber Kulkarni
Programmer-centric conditions for itanium memory consistency
We formulate a programmer-centric description of the memory consistency model provided by the Itanium architecture. This allows reasoning about programs at a non-operational level in the natural way, not obscured by the implementation details of the ... Keywords: itanium multi-processor, programmer-centric memory consistency
Lisa Higham; LillAnne Jackson; Jalal Kawash
How Long is the Memory of Tropical Ocean Dynamics?
Combining classic equatorial wave dynamics and midlatitude wave dynamics, a unified view is proposed to account for the memory of tropical ocean dynamics in terms of oceanic basin modes. It is shown that the dynamic memory of the ocean is bounded ...
Z. Liu
Efficient data race detection for distributed memory parallel programs
In this paper we present a precise data race detection technique for distributed memory parallel programs. Our technique, which we call Active Testing, builds on our previous work on race detection for shared memory Java and C programs and it handles ...
Chang-Seo Park; Koushik Sen; Paul Hargrove; Costin Iancu
Cache coherence tradeoffs in shared-memory MPSoCs
Shared memory is a common interprocessor communication paradigm for single-chip multiprocessor platforms. Snoop-based cache coherence is a very successful technique that provides a clean shared-memory programming abstraction in general-purpose chip multiprocessors, ... Keywords: Cache coherence, low power, multiprocessor, system-on-chip
Mirko Loghi; Massimo Poncino; Luca Benini
Hybrid checkpointing using emerging nonvolatile memories for future exascale systems
The scalability of future Massively Parallel Processing (MPP) systems is being severely challenged by high failure rates. Current centralized Hard Disk Drive (HDD) checkpointing results in overhead of 25% or more at petascale. Since systems become ... Keywords: Checkpoint, background checkpoint, checkpoint prototype, exascale, hybrid checkpoint, in-disk checkpoint, in-memory checkpoint, incremental checkpoint, optimum checkpoint model, petascale, phase-change memory
Xiangyu Dong; Yuan Xie; Naveen Muralimanohar; Norman P. Jouppi
In-Situ Synthesis of Shape Memory Alloy-Nitinol by Laser Direct ...
About this Abstract. Meeting, Materials Science & Technology 2011. Symposium, Shape Memory Alloys. Presentation Title, In-Situ Synthesis of Shape Memory�...
T-627: Adobe Flash Player Memory Corruption | Department of Energy
7: Adobe Flash Player Memory Corruption 7: Adobe Flash Player Memory Corruption T-627: Adobe Flash Player Memory Corruption May 20, 2011 - 2:50pm Addthis PROBLEM: Adobe Flash Player Memory Corruption, Denial Of Service, Execute Code PLATFORM: Windows, Mac OS X, Linux, and Solaris ABSTRACT: Adobe Flash Player before 10.3.181.14 on Windows, Mac OS X, Linux, and Solaris and before 10.3.185.21 on Android allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted Flash content, as possibly exploited in the wild in May 2011 by a Microsoft Office document with an embedded .swf file. reference LINKS: CVE Details - CVE-2011-0627 CVE Details - Adobe Flash Player Vulnerability Statistics CVE Details - Adobe Security Vulnerabilities IMPACT ASSESSMENT: High Discussion:
Flash Memory Garbage Collection in Hard Real-Time Systems
Due to advances in capacity, speed, and economics, NAND-based flash memory technology is increasingly integrated into all types of computing systems, ranging from enterprise servers to embedded devices. However, due to its unpredictable up-date behavior and time consuming garbage collection mechanism, NAND-based flash memory is difficult to integrate into hard-real-time embedded systems. In this thesis, I propose a performance model for flash memory garbage collection that can be used in conjunction with a number of different garbage collection strategies. I describe how to model the cost of reactive (lazy) garbage collection and compare it to that of more proactive schemes. I develop formulas to assess the schedulability of hard real- time periodic task sets under simplified memory consumption models. Results show that I prove the proactive schemes achieve the larger maximum schedulable utilization than the traditional garbage collection mechanism for hard real-time systems in flash memory.
Lai, Chien-An
DOE Green Energy (OSTI)
An enhancement of an electrically written memory element utilizing the motion of protons within a dielectric layer surrounded by layers on either side to confine the protons within the dielectric layer with electrode means attached to the surrounding layers to change the spatial position of the protons within the dielectric layer. The device is preferably constructed as a silicon-silicon dioxide-silicon layered structure with the protons being introduced to the structure during an anneal in an atmosphere containing hydrogen gas. Device operation is enhanced by concluding this anneal step with a sudden cooling. The device operates at low power, is preferably nonvolatile, is radiation tolerant, and is compatible with convention silicon MOS processing for integration with other microelectronics elements on the same silicon substrate.
Warren, William L. (900 N. Randolph St., Arlington, VA 22203); Vanheusden, Karel J. R. (8401 Spain Rd., Albuquerque, NM 87111); Fleetwood, Daniel M. (5513 Estrellita del Norte, NE., Albuquerque, NM 87111); Devine, Roderick A. B. (12 Impasse de la Liberation, 38950 St. Martin le Vinoux, FR); Archer, Leo B. (3108 Vicky Ct., Garland, TX 75044); Brown, George A. (1512 Ridgeview Dr., Arlington, TX 76012-1940); Wallace, Robert M. (428 Park Bend Dr., Richardson, TX 75081)
Shape memory alloy seals for geothermal applications
A shape memory radial seal was fabricated with a ''U'' cross section. Upon heating the seal recovered its original ''V'' shape and produced a high pressure seal. The sealing pressure which can be developed is approximately 41 MPa (60,000 psi), well in excess of the pressure which can be produced in conventional elastomeric seals. The low modulus martensite can conform readily to the sealing surface, and upon recovery produce a seal capable of high pressure fluid or gas confinement. The corrosion resistance of nickel-titanium in a broad range of aggressive fluids has been well established and, as such, there is little doubt that, had time permitted, a geothermal pump of flange fluid tried would have been successful.
Solid state engine using nitinol memory alloy
A device for converting heat energy to mechanical energy includes a reservoir of a hot fluid and a rotor assembly mounted thereabove so a portion of it dips into the hot fluid. The rotor assembly may include a shaft having four spokes extending radially outwardly therefrom at right angles to each other, a floating ring and four flexible elements composed of a thermal memory material having a critical temperature between the temperature of the hot fluid and that of the ambient atmosphere extending between the ends of the spokes and the floating ring. Preferably, the flexible elements are attached to the floating ring through curved leaf springs. Energetic shape recovery of the flexible elements in the hot fluid causes the rotor assembly to rotate.
Golestaneh, Ahmad A. (Bolingbrook, IL)
Golestaneh, A.A.
PERI Auto-tuning Memory Intensive Kernels
PERI PERI - Auto-tuning Memory Intensive Kernels for Multicore Samuel Williams † , Kaushik Datta † , Jonathan Carter , Leonid Oliker † , John Shalf , Katherine Yelick † , David Bailey CRD/NERSC, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA † Computer Science Division, University of California at Berkeley, Berkeley, CA 94720, USA E-mail: firstname.lastname@example.com, firstname.lastname@example.com, email@example.com, email@example.com, firstname.lastname@example.com, firstname.lastname@example.com, firstname.lastname@example.com Abstract. We present an auto-tuning approach to optimize application performance on emerging multicore architectures. The methodology extends the idea of search-based performance optimizations, popular in linear algebra and FFT libraries, to application-specific computational kernels. Our work applies this strategy to Sparse Matrix Vector Multiplication
Empirical Memory-Access Cost Models in Multicore NUMA Architectures
Data location is of prime importance when scheduling tasks in a non-uniform memory access (NUMA) architecture. The characteristics of the NUMA architecture must be understood so tasks can be scheduled onto processors that are close to the task's data. However, in modern NUMA architectures, such as AMD Magny-Cours and Intel Nehalem, there may be a relatively large number of memory controllers with sockets that are connected in a non-intuitive manner, leading to performance degradation due to uninformed task-scheduling decisions. In this paper, we provide a method for experimentally characterizing memory-access costs for modern NUMA architectures via memory latency and bandwidth microbenchmarks. Using the results of these benchmarks, we propose a memory-access cost model to improve task-scheduling decisions by scheduling tasks near the data they need. Simple task-scheduling experiments using the memory-access cost models validate the use of empirical memory-access cost models to significantly improve program performance.
McCormick, Patrick S. [Los Alamos National Laboratory; Braithwaite, Ryan Karl [Los Alamos National Laboratory; Feng, Wu-chun [Virginia Tech
Memory test time reduction by interconnecting test items
The idea is to interconnect test items to reuse memory states left from the previous test item for saving initialization and verification sequences. Meanwhile, signal settling time of the tester between two consecutive test items being applied can also ... Keywords: NP-hard problem, constraints, graph theory, initialization sequences, integer linear programming model, integer programming, integrated circuit testing, integrated memory circuits, interconnection problem, iterations, linear programming, memory test time reduction, rural Chinese postman problem, signal settling time, successive ILP models, test items interconnection, verification sequences
Wen-Jer Wu; Chuan Yi Tang
Single-cell atomic quantum memory for light
Recent experiments demonstrating atomic quantum memory for light [B. Julsgaard et al., Nature 432, 482 (2004)] involve two macroscopic samples of atoms, each with opposite spin polarization. It is shown here that a single atomic cell is enough for the memory function if the atoms are optically pumped with suitable linearly polarized light, and quadratic Zeeman shift and/or ac Stark shift are used to manipulate rotations of the quadratures. This should enhance the performance of our quantum memory devices since less resources are needed and losses of light in crossing different media boundaries are avoided.
Tomas Opatrny
Classical capacity of a qubit depolarizing channel with memory
The classical product state capacity of a noisy quantum channel with memory is investigated. A forgetful noise-memory channel is constructed by Markov switching between two depolarizing channels which introduces non-Markovian noise correlations between successive channel uses. The computation of the capacity is reduced to an entropy computation for a function of a Markov process. A reformulation in terms of algebraic measures then enables its calculation. The effects of the hidden-Markovian memory on the capacity are explored. An increase in noise-correlations is found to increase the capacity.
Jeroen Wouters; Ismail Akhalwaya; Mark Fannes; Francesco Petruccione
Optimising Flash non-volatile memory using machine learning: a project overview
While near ubiquitous, the physical principles of Flash memory mean that its performance degrades with use. During fabrication and operation, its ability to be repeatedly programmed/erased (endurance) needs to be balanced with its ability to store information ... Keywords: Flash memory, endurance, machine learning, memory performance optimisation, non-volatile memory, retention
Tom Arbuckle; Damien Hogan; Conor Ryan
Retrieval Property of Associative Memory Based on Inverse Function Delayed Neural Networks
Self-connection can enlarge the memory capacity of an associative memory based on the neural network. However, the basin size of the embedded memory state shrinks. The problem of basin size is related to undesirable stable states which are spurious. ... Keywords: associative memory, inverse function delayed model, retrieval dynamics, basin of attraction, negative resistance
Hongge Li; Yoshihiro Hayakawa; Koji Nakajima
Exploiting off-chip memory access modes in high-level synthesis
Memory-intensive behaviors often contain large arrays that are synthesized into off-chip memories. With the increasing gap between on-chip and off-chip memory access delays, it is imperative to exploit the efficient access mode features of modern-day ... Keywords: Memory Synthesis, DRAM, High Level Synthesis
Preeti Ranjan Panda; Nikil D. Dutt; Alexandru Nicolau
Bipolar resistive switching effect in Gd2O3 films for transparent memory application
A transparent resistive random access memory based on ITO/Gd"2O"3/ITO capacitor structure is fabricated on glass substrate. The transparent memory exhibits reliable resistive switching for more than 1000 cycles, low operation voltage of -2V/+2V, and ... Keywords: Gadolinium oxide, Gd2O3, RRAM, Resistive memory, TRRAM, Transparent memory
Kou-Chen Liu; Wen-Hsien Tzeng; Kow-Ming Chang; Yi-Chun Chan; Chun-Chih Kuo
Decoupled DIMM: building high-bandwidth memory system using low-speed DRAM devices
The widespread use of multicore processors has dramatically increased the demands on high bandwidth and large capacity from memory systems. In a conventional DDR2/DDR3 DRAM memory system, the memory bus and DRAM devices run at the same data rate. To ... Keywords: DRAM memories, bandwidth decoupling, decoupled DIMM
Hongzhong Zheng; Jiang Lin; Zhao Zhang; Zhichun Zhu
An examination of content similarity within the memory of HPC applications.
Memory content similarity has been e ectively exploited for more than a decade to reduce memory consumption. By consolidating duplicate and similar pages in the address space of an application, we can reduce the amount of memory it consumes without negatively a ecting the application's perception of the memory resources available to it. In addition to memory de-duplication, there may be many other ways that we can exploit memory content similarity to improve system characteristics. In this paper, we examine the memory content similarity of several HPC applications. By characterizing the memory contents of these applications, we hope to provide a basis for ef- forts to e ectively exploit memory content similarity to improve system performance beyond memory deduplication. We show that several applications exhibit signi cant similarity and consider the source of the similarity.
Levy, Scott N. [University of New Mexico; Bridges, Patrick G. [University of New Mexico; Ferreira, Kurt Brian; Thompson, Aidan Patrick; Trott, Christian Robert
Rebuilding It Better: Greensburg, Kansas, Kiowa County Memorial Hospital |
Rebuilding It Better: Greensburg, Kansas, Kiowa County Memorial Hospital Rebuilding It Better: Greensburg, Kansas, Kiowa County Memorial Hospital Jump to: navigation, search Name Rebuilding It Better: Greensburg, Kansas, Kiowa County Memorial Hospital Agency/Company /Organization National Renewable Energy Laboratory Focus Area Agriculture, Buildings, Economic Development, Energy Efficiency, Water Conservation, Renewable Energy, Wind Phase Bring the Right People Together, Create a Vision, Evaluate Options, Develop Goals Resource Type Case studies/examples Availability Publicly available--Free Publication Date 8/1/2010 Website http://apps1.eere.energy.gov/b Locality Greensburg, Kansas References Rebuilding It Better: Greensburg, Kansas, Kiowa County Memorial Hospital[1] Contents 1 Overview 2 Highlights 3 Environmental Aspects
Enfrocement Letter, Battelle Memorial Institute - May 20, 2010 | Department
Enfrocement Letter, Battelle Memorial Institute - May 20, 2010 Enfrocement Letter, Battelle Memorial Institute - May 20, 2010 Enfrocement Letter, Battelle Memorial Institute - May 20, 2010 May 20, 2010 Enforcement Letter issued to Battelle Memorial Institute related to an Unintentional Firearm Discharge at the Volpentest HAMMER Training and Education Center at the Hanford Site, The Office of Health, Safety and Security's Office of Enforcement conducted an evaluation of the accidental firearm discharge that occurred in an occupied classroom during training led by Ballelle at the Volpentest HAMMER Training and Education Center (HAMMER) in August 2009. The weapon discharge, which occurred during unsupervised student handling of a handgun, could have resulted in a fatal injury to one of the many students in the classroom. Battelle
DOE Cites Battelle Memorial Institute for Price-Anderson Violations |
Memorial Institute for Price-Anderson Violations Memorial Institute for Price-Anderson Violations DOE Cites Battelle Memorial Institute for Price-Anderson Violations January 3, 2008 - 5:04pm Addthis WASHINGTON, DC - The Department of Energy (DOE) today issued a Preliminary Notice of Violation (PNOV) to the Battelle Memorial Institute (Battelle) for nuclear safety violations at the Pacific Northwest National Laboratory (PNNL). Battelle is the managing and operating contractor for PNNL in Richland, Washington. The PNOV today issued a series of violations related to two radiological events that occurred at PNNL during the last year. In December 2006, an airborne release of plutonium from a glovebox in the Radiochemical Processing Laboratory occurred as a result of a split in a vacuum exhaust line caused by an inappropriate modification to the vacuum system. In
Whirlpools on the Nanoscale Could Whirlpools on the Nanoscale Could Multiply Magnetic Memory Whirlpools on the Nanoscale Could Multiply Magnetic Memory Print Tuesday, 21 May 2013 00:00 Research at the Advanced Light Source may lead to four-bit magnetic cells housed on nanoscale metal disks, instead of the two-bit magnetic domains of standard magnetic memories. In magnetic vortices, parallel electron spins point either clockwise or counterclockwise, while in their crowded centers the spins point either down or up. "From the scientist's point of view, magnetism is about controlling electron spin," says Peter Fischer of the Materials Sciences Division, who leads the work at beamline 6.1.2. Four orientations could provide multibits in a new kind of memory. The next step is to control the states independently and simultaneously.
U-002:Adobe Photoshop Elements Multiple Memory Corruption Vulnerabilities |
02:Adobe Photoshop Elements Multiple Memory Corruption 02:Adobe Photoshop Elements Multiple Memory Corruption Vulnerabilities U-002:Adobe Photoshop Elements Multiple Memory Corruption Vulnerabilities October 4, 2011 - 11:00am Addthis PROBLEM: Adobe Photoshop Elements Multiple Memory Corruption Vulnerabilities. PLATFORM: Adobe Photoshop Elements 8.0 and earlier versions for Windows. ABSTRACT: A remote user can create a file that, when loaded by the target user, will execute arbitrary code on the target user's system. reference LINKS: Adobe Advisory: APSA11-03 SecurityTracker Alert ID: 1026132 SecurityFocus: CVE-2011-2443 IMPACT ASSESSMENT: High Discussion: A vulnerability was reported in Adobe Photoshop Elements. A remote user can cause arbitrary code to be executed on the target user's system. A remote user can create a specially crafted '.grd' or '.abr' file that,
Modesto Memorial Hospital Space Heating Low Temperature Geothermal Facility
Memorial Hospital Space Heating Low Temperature Geothermal Facility Memorial Hospital Space Heating Low Temperature Geothermal Facility Jump to: navigation, search Name Modesto Memorial Hospital Space Heating Low Temperature Geothermal Facility Facility Modesto Memorial Hospital Sector Geothermal energy Type Space Heating Location Modesto, California Coordinates 37.6390972°, -120.9968782° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[]}
T-625: Opera Frameset Handling Memory Corruption Vulnerability | Department
5: Opera Frameset Handling Memory Corruption Vulnerability 5: Opera Frameset Handling Memory Corruption Vulnerability T-625: Opera Frameset Handling Memory Corruption Vulnerability May 18, 2011 - 3:05pm Addthis PROBLEM: A vulnerability has been reported in Opera, which can be exploited by malicious people to compromise a user's system. PLATFORM: Opera versions prior to 11.11 ABSTRACT: The vulnerability is caused due to an error when handling certain frameset constructs during page unloading and can be exploited to corrupt memory via a specially crafted web page. reference LINKS: Secunia Advisory: SA44611 Opera Knowledge Base Opera 11.11 for Windows Opera Download Opera Mobile IMPACT ASSESSMENT: High Discussion: Framesets allow web pages to hold other pages inside them. Certain frameset constructs are not handled correctly when the page is unloaded, causing a
Enforcement Letter, Battelle Memorial Institute - May 5, 2004 | Department
Battelle Memorial Institute - May 5, 2004 Battelle Memorial Institute - May 5, 2004 Enforcement Letter, Battelle Memorial Institute - May 5, 2004 May 5, 2004 Enforcement Letter issued to Battelle Memorial Institute related to Radiological Work Practices at the Pacific Northwest National Laboratory The subject NTS report described multiple deficiencies identified through a DOE-RL assessment of contamination control and survey practices associated with fume hood work at the PNNL Radiochemical Processing Laboratory. The DOE-RL assessment was formally transmitted to PNNL on November 10, 2003. Specific deficiencies identified as part of the DOE assessment included multiple instances of workers failing to perform required contamination self-surveys, workers performing incomplete or cursory self-surveys, and workers failing to perform or
Design tradeoffs in modern software transactional memory systems
Software Transactional Memory (STM) is a generic non-blocking synchronization construct that enables automatic conversion of correct sequential objects into correct concurrent objects. Because it is nonblocking, STM avoids traditional performance and ...
Virendra J. Marathe; William N. Scherer; Michael L. Scott
Direct Elliptic Equation Solvers with Low Memory Requirements
Several simple modifications of the Lindzen-Kuo Gaussian elimination algorithm for solving elliptic differential equations are derived. These modifications greatly decrease the auxiliary memory requirements with only some increase in computation, ...
Mark R. Schoeberl
Scalable directoryless shared memory coherence using execution migration
We introduce the concept of deadlock-free migration-based coherent shared memory to the NUCA family of architectures. Migration-based architectures move threads among cores to guarantee sequential semantics in large ...
Lis, Mieszko
Metadata driven memory optimizations in dynamic binary translator
A dynamic binary translator offers solutions for translating and running source architecture binaries on target architecture at runtime. Regardless of its growing popularity, practical dynamic binary translators usually suffer from the limited optimizations ... Keywords: dynamic binary translator, memory optimizations, metadata
Chaohao Xu; Jianhui Li; Tao Bao; Yun Wang; Bo Huang
CudaDMA: optimizing GPU memory bandwidth via warp specialization
As the computational power of GPUs continues to scale with Moore's Law, an increasing number of applications are becoming limited by memory bandwidth. We propose an approach for programming GPUs with tightly-coupled specialized DMA warps for performing ...
Michael Bauer; Henry Cook; Brucek Khailany
Memory Architectures for Embedded Systems-On-Chip
Embedded systems are typically designed for one or a few target applications, allowing for customization of the system architecture for the desired system goals such as performance, power and cost. The memory subsystem will continue to present significant ...
Preeti Ranjan Panda; Nikil D. Dutt
Multi-range force sensors utilizing shape memory alloys
The present invention provides a multi-range force sensor comprising a load cell made of a shape memory alloy, a strain sensing system, a temperature modulating system, and a temperature monitoring system. The ability of the force sensor to measure contact forces in multiple ranges is effected by the change in temperature of the shape memory alloy. The heating and cooling system functions to place the shape memory alloy of the load cell in either a low temperature, low strength phase for measuring small contact forces, or a high temperature, high strength phase for measuring large contact forces. Once the load cell is in the desired phase, the strain sensing system is utilized to obtain the applied contact force. The temperature monitoring system is utilized to ensure that the shape memory alloy is in one phase or the other.
Simple Memory Machine Models for GPUs Koji Nakano
Simple Memory Machine Models for GPUs Koji Nakano Department of Information Engineering Hiroshima University Kagamiyama 1-4-1, Higashi Hiroshima, 739-8527 Japan Email: email@example.com Abstract
Moreno Maza, Marc
Suspended futures : the Vietnamization of South Vietnamese history and memory
Peter. �The Archive. � History & Memory, Volume 17, NumberFrancis. 1992. The End of History and the Last Man. NewPress. _____. �The End of History? � The ational Interest. (
Bui, Long Thanh
Early experience with a commercial hardware transactional memory implementation
We report on our experience with the hardware transactional memory (HTM) feature of two revisions of a prototype multicore processor. Our experience includes a number of promising results using HTM to improve performance in a variety of contexts, and ...
Dave Dice; Yossi Lev; Mark Moir; Dan Nussbaum; Marek Olszewski
Memory Usage Inference for Object-Oriented Programs
We present a type-based approach to statically derive symbolic closed-form formulae that characterize the bounds of heap memory usages of programs written in object-oriented languages. Given a program with size and alias ...
Multi-item memory in the primate prefrontal cortex
The ability to retain multiple items in short-term memory is fundamental for cognition, yet almost nothing is known about its neural basis. To explore the mechanisms underlying this ability, we trained two monkeys to ...
Warden, Melissa R. (Melissa Rhoads)
Novel Nonvolatile Memories With Engineered Nanocrystal Floating Gate
the device size and lowering the power consumption. In orderpower consumption and nonvolatility. Flash memories are the most frequently used devicespower consumption, fast write performance and extremely good endurance (up to 10 16 cycles for 3.3V devices).
Li, Bei
Hybrid silicon nanocrystal silicon nitride dynamic random access memory
This paper introduces a silicon nanocrystal-silicon nitride hybrid single transistor cell for potential dynamic RAM (DRAM) applications that stores charge in silicon nanocrystals or a silicon nitride charge trapping layer or both. The memory operates ...
R. F. Steimle; M. Sadd; R. Muralidhar; Rajesh Rao; B. Hradsky; S. Straub; B. E. White, Jr.
Reduced-Memory Decoding of Low-Density Lattice Codes
This letter describes a belief-propagation decoder for low-density lattice codes of finite dimension, in which the messages are represented as single Gaussian functions. Compared to previously-proposed decoders, memory is ...
Kurkoski, Brian
George Michael Memorial HPC Fellowship now accepting applications
George Michael Memorial HPC Fellowship now accepting applications Donald B Johnston, LLNL, (925) 423-4902, email@example.com Printer-friendly Abhinav Bhatele, a 2009 George...
Replay of memories of extended behavior in the rat hippocampus
The hippocampus is a highly conserved structure in the medial temporal lobe of the brain that is known to be critical for spatial learning in rodents, and spatial and episodic memory in humans. During pauses in exploration, ...
Davidson, Thomas James Damon Cheakamus
An Efficient Spectral Dynamical Core for Distributed Memory Computers
The practical question of whether the classical spectral transform method, widely used in atmospheric modeling, can be efficiently implemented on inexpensive commodity clusters is addressed. Typically, such clusters have limited cache and memory ...
L. Rivier; R. Loft; L. M. Polvani
Memorial Institute - May 5, 2004 Memorial Institute - May 5, 2004 Enforcement Letter, Battelle Memorial Institute - May 5, 2004 May 5, 2004 Enforcement Letter issued to Battelle Memorial Institute related to Radiological Work Practices at the Pacific Northwest National Laboratory The subject NTS report described multiple deficiencies identified through a DOE-RL assessment of contamination control and survey practices associated with fume hood work at the PNNL Radiochemical Processing Laboratory. The DOE-RL assessment was formally transmitted to PNNL on November 10, 2003. Specific deficiencies identified as part of the DOE assessment included multiple instances of workers failing to perform required contamination self-surveys, workers performing incomplete or cursory self-surveys, and workers failing to perform or
Topobo : a 3-D constructive assembly system with kinetic memory
We introduce Topobo, a 3-D constructive assembly system em- bedded with kinetic memory, the ability to record and playback physical motion. Unique among modeling systems is Topobo's coincident physical input and output ...
Raffle, Hayes Solos, 1974-
Method for fabricating uranium alloy articles without shape memory effects
Uranium-rich niobium and niobium-zirconium alloys possess a characteristic known as shape memory effect wherein shaped articles of these alloys recover their original shape when heated. The present invention circumvents this memory behavior by forming the alloys into the desired configuration at elevated temperatures with "cold" matched dies and maintaining the shaped articles between the dies until the articles cool to ambient temperature.
Banker, John G. (Boulder, CO)
Uranium-rich niobium and niobium-zirconium alloys possess a characteristic known as shape memory effect wherein shaped articles of these alloys recover their original shape when heated. The present invention circumvents this memory behavior by forming the alloys into the desired configuration at elevated temperatures with cold matched dies and maintaining the shaped articles between the dies until the articles cool to ambient temperature.
Banker, J.G.
Formal Specification of the OpenMP Memory Model
OpenMP [2] is an important API for shared memory programming, combining shared memory's potential for performance with a simple programming interface. Unfortunately, OpenMP lacks a critical tool for demonstrating whether programs are correct: a formal memory model. Instead, the current official definition of the OpenMP memory model (the OpenMP 2.5 specification [2]) is in terms of informal prose. As a result, it is impossible to verify OpenMP applications formally since the prose does not provide a formal consistency model that precisely describes how reads and writes on different threads interact. We expand on our previous work that focused on the formal verification of OpenMP programs through a formal memory model [?]. As in that work, our formalization, which is derived from the existing prose model [2], provides a two-step process to verify whether an observed OpenMP execution is conformant. This paper extends the model to cover the entire specification. In addition to this formalization, our contributions include a discussion of ambiguities in the current prose-based memory model description. Although our formal model may not capture the current informal memory model perfectly, in part due to these ambiguities, our model reflects our understanding of the informal model's intent. We conclude with several examples that may indicate areas of the OpenMP memory model that need further refinement, however it is specified. Our goal is to motivate the OpenMP community to adopt those refinements eventually, ideally through a formal model, in later OpenMP specifications.
Bronevetsky, G; de Supinski, B
Multi mode nano scale Raman echo quantum memory
Low loss magnetic surface plasmon polariton (SPP) modes characterized by enhanced electrical field component and subwavelength confinement on the dielectric and negative-index metamaterial interface are presented. We demonstrate a possibility of storage and perfect retrieval of the low loss magnetic SPP fields by using a photon echo quantum memory on Raman atomic transition. We describe specific properties of the proposed technique which opens a possibility for efficient nano scale multi-mode quantum memory.
S. A. Moiseev; E. S. Moiseev
Using DMA for copying performance counter data to memory
A device for copying performance counter data includes hardware path that connects a direct memory access (DMA) unit to a plurality of hardware performance counters and a memory device. Software prepares an injection packet for the DMA unit to perform copying, while the software can perform other tasks. In one aspect, the software that prepares the injection packet runs on a processing core other than the core that gathers the hardware performance data.
Gara, Alan; Salapura, Valentina; Wisniewski, Robert W
Blocked and recovered memories of affective, distinctive, and neutral paragraphs
Highly affective memories have been thought to be longer lasting and more detailed than other memories, and many experimental results have supported this assertion. The apparent robustness of these memories, however, may result from their high distinctiveness, rather than their emotional content. Two experiments tested free and cued recall for negative affect, distinctive, and neutral paragraphs. Experiment 1 compared neutral and negative affect paragraphs using a blocked and recovered memory technique. Affective paragraphs were remembered significantly better than neutral paragraphs in free recall of paragraph titles, regardless of condition. Details of neutral paragraphs were remembered significantly better than affective paragraphs, regardless of condition. No recovery effect was found. Experiment 2 compared distinctive and neutral paragraphs using the same technique. Free recall of paragraph titles did not differ between paragraph types. Neutral paragraphs were remembered better than distinctive paragraphs in cued recall, regardless of condition. Participants remembered significantly more with cued recall, and significantly more in the forget condition, and distinctive paragraphs were subject to a much greater forgetting effect than neutral paragraphs. It is unclear why a robust forgetting effect, using these stimuli, was not found. Consistent with previous literature, affective stimuli were remembered well, but inconsistently, distinctive stimuli were not. These results provide support for the claim that negative affect memories are more robust than other memories. This may result from their inherent emotional content as opposed to their being distinctive in some way.
Corbisier, Barbara Lynn
Effects of Constrained Aging on the Shape Memory Response of Nickel Rich Niti Shape Memory Alloys
Ni50.6Ti49.4 single and Ni52Ti48 polycrystalline shape memory alloy samples were subjected to aging under a uniaxial stress, to form a single Ni4Ti3 precipitate variant and to investigate the effects of single versus multi-variant coherent precipitates on the shape memory characteristics including two-way shape memory effect (TWSME). Shape memory and superelasticity properties along with the effects of stress and temperature on the transformation temperatures, strain, hysteresis, dimensional stability, and R-phase formation were investigated. This was accomplished through the use of isobaric thermal cycling and superelasticity experiments and various microscopy techniques that included transmission electron microscopy (TEM), scanning electron microscopy, and optical microcopy. The results showed that it is feasible to use constrained aging to bias R-phase martensite variants upon cooling from austenite without any external stress, however, accomplishing this with B19�martensite was much harder as complete TWSME was only found in the Ni50.6Ti49.4 single crystalline sample oriented along the [112] direction. The onset of irrecoverable strain corresponded to the R-phase temperature hysteresis increase in the single crystalline samples regardless of the aging conditions. Through TEM analysis it was discovered that [112] and [114] twins were found in austenite due to plastic deformation of martensite during the superelasticity experiments. Since [112] twins are theoretically impossible to form in austenite, and since martensite was plastically deformed, [112] austenite twins were attributed to the transformation of compound twins in martensite, in particular [113] martensite twins formed during the plastic deformation of martensite, into austenite twins. In the Ni52Ti48 polycrystalline samples, a compressive R-phase variant was biased through constrained aging under 100 and 200 MPa uniaxial tensile stresses at 400�C and 450�C. Aging, in all conditions, produced a high density of Ni4Ti3 precipitates that was most likely responsible for the small transformation strain observed, less that 2%, upon transformation to martensite. In the future, samples with compositions between 50.8 and 51.5 Ni atomic percent, in addition to altered solution and aging heat treatments as compared to those used in this study should be investigated as it is believed that samples with these compositions will yield better and consistent TWSME responses through constrained aging.
Barrie, Fatmata Haja
Apparatus for loading shape memory gripper mechanisms
A method and apparatus for loading deposit material, such as an embolic coil, into a shape memory polymer (SMP) gripping/release mechanism. The apparatus enables the application of uniform pressure to secure a grip by the SMP mechanism on the deposit material via differential pressure between, for example, vacuum within the SMP mechanism and hydrostatic water pressure on the exterior of the SMP mechanism. The SMP tubing material of the mechanism is heated to above the glass transformation temperature (Tg) while reshaping, and subsequently cooled to below Tg to freeze the shape. The heating and/or cooling may, for example, be provided by the same water applied for pressurization or the heating can be applied by optical fibers packaged to the SMP mechanism for directing a laser beam, for example, thereunto. At a point of use, the deposit material is released from the SMP mechanism by reheating the SMP material to above the temperature Tg whereby it returns to its initial shape. The reheating of the SM material may be carried out by injecting heated fluid (water) through an associated catheter or by optical fibers and an associated beam of laser light, for example.
Lee, Abraham P. (Walnut Creek, CA); Benett, William J. (Livermore, CA); Schumann, Daniel L. (Concord, CA); Krulevitch, Peter A. (Pleasanton, CA); Fitch, Joseph P. (Livermore, CA)
Memory of Quark Matter Card Game
Scientists at the Relativistic Heavy Ion Collider (RHIC, BNL) recently discovered, that the hottest known form of matter is not a gas, but acts like a fluid. Furthermore, this fluid of quarks expands and flows much more perfectly than water or any other well known fluid. This aspect of the RHIC discovery can be introduced even to primary levels of physics education, noting that the usual solid to liquid to gas sequence of phase transitions now are known to be followed by a transition to a nearly perfect fluid, a liquid of quarks, at the largest temperatures made by humans. The educational games described herein were invented by middle school students, members of a Science Club in Hungary. The games were invented for their entertainment, the educational applications in teaching high energy particle and nuclear physics to laypersons are quite unexpected but most welcomed. This manuscript describes games with a deck of cards called Quark Matter cards, where each card represents an elementary particle. The games include an important contribution by Angela Melocoton, an administrator of the Guests, Users and Visitors (GUV) Center at BNL. It describes in simple terms, how to play the Memory of Quark Matter style card games.
J. Cs�rg?; Cs. T�r�k; T. Cs�rg?
Computational Thermodynamics of CoNiGa High Temperature Shape Memory Alloys
Shape Memory Alloys (SMAs) are advanced materials with interesting properties such as pseudoelasticity (PE) and the shape memory effect (SME). Recently, the CoNiGa system has emerged as the basis for very promising High Temperature Shape Memory Alloys (HTSMAs), with possible applications in the aerospace and automotive industries. Although the CoNiGa system shows significant promise for its use as HTSMAs, limited studies are available on them. Hence, a more intensive investigation of these alloys is necessary to understand their phase stability over a wide range of temperature and compositions in order for further development of CoNiGabased HTSMAs and future use of the model in alloy design. This formed the basis of motivation for the present work. In this work, a thermodynamic model of the ternary system is calculated based on the CALPHAD approach, to investigate the thermodynamic properties, phase stability and shape memory properties of these alloys. The CALPHAD approach is a computational method that enables the calculations of thermodynamic properties of systems. This method uses all available experimental and theoretical data in order to calculate the Gibbs energies of the phases in the system. The software used to carry out the calculations is "ThermoCalc," which is a computational software using CALPHAD principles, based on the minimization of Gibbs energy, and is enhanced by a global minimization technique on the system. The stability of the beta phase at high temperatures was enforced accurately by remodeling the CoGa system. The binary CoGa system that makes up the ternary was remodeled, as the beta phase (which is very important as it dominates the central region of the ternary CoNiGa system where the shape memory effect is observed), re-stabilizes as the temperature increases above the liquidus in the CoGa system. Phase relations and thermodynamic properties of the CoNiGa system based on all experimental information were evaluated. Different properties like enthalpies, activities, sublattice site fraction of vacancies and phase fractions calculated in the system matched well compared to the experimental information used to model the system. Also, the phase equilibria among the gamma (fcc), beta, gamma'(Ni3Ga), delta (Ni5Ga3) and epsilon (Ni13Ga9) were determined at various temperatures.
Chari, Arpita
Archives and History Office: SLAC Staff and Faculty Memorials and Tributes
Short Features > SLAC Staff and Faculty Memorials and Tributes Short Features > SLAC Staff and Faculty Memorials and Tributes SLAC Staff and Faculty Memorials and Tributes Hugh Steckol memorial magnolia -- since replaced (Halbo-4) Panofsky Grove stone and marker (Halbo-1) Joe Ballam memorial tree (Halbo-12) Throughout its history, the staff, faculty and site office personnel at the SLAC National Accelerator Laboratory have chosen to honor co-workers with a variety of lasting tributes and memorials. In some instances, former staff or their families have presented one of these landscaping tributes to SLAC. The list below provides the names of those who have given or received tributes or memorials, and the accompanying pdf map shows the tribute or memorial locations on the SLAC site. The SLAC Archives and History Office is indebted to Finn Halbo, who compiled all of the information on memorials and tributes made from 1962 through 2000.
Performance and scalability evaluation of "Big Memory" on Blue Gene Linux.
We address memory performance issues observed in Blue Gene Linux and discuss the design and implementation of 'Big Memory' - an alternative, transparent memory space introduced to eliminate the memory performance issues. We evaluate the performance of Big Memory using custom memory benchmarks, NAS Parallel Benchmarks, and the Parallel Ocean Program, at a scale of up to 4,096 nodes. We find that Big Memory successfully resolves the performance issues normally encountered in Blue Gene Linux. For the ocean simulation program, we even find that Linux with Big Memory provides better scalability than does the lightweight compute node kernel designed solely for high-performance applications. Originally intended exclusively for compute node tasks, our new memory subsystem dramatically improves the performance of certain I/O node applications as well. We demonstrate this performance using the central processor of the LOw Frequency ARray radio telescope as an example.
Yoshii, K.; Iskra, K.; Naik, H.; Beckman, P.; Broekema, P. C. (LCF); ( MCS); (Netherlands Inst. for Radio Astronomy)
Al-Ckpt: Leveraging Memory Access Patterns for Adaptive Asynchronous
Al-Ckpt: Leveraging Memory Access Patterns for Adaptive Asynchronous Al-Ckpt: Leveraging Memory Access Patterns for Adaptive Asynchronous Incremental Checkpointing Title Al-Ckpt: Leveraging Memory Access Patterns for Adaptive Asynchronous Incremental Checkpointing Publication Type Conference Proceedings Year of Publication 2013 Authors Nicolae, B, Cappello, F Conference Name HPDC'13 Conference Location New York City Abstract With increasing scale and complexity of supercomputing and cloud computing architectures, faults are becoming a frequent occurrence, which makes reliability a difficult challenge. Although for some applications it is enough to restart failed tasks, there is a large class of applications where tasks run for a long time or are tightly coupled, thus making a restart from scratch unfeasible. Checkpoint-Restart (CR), the main method to survive failures for such applications faces additional challenges in this context: not only does it need to minimize the performance overhead on the application due to checkpointing, but it also needs to operate with scarce resources. Given the iterative nature of the targeted applications, we launch the assumption that first-time writes to memory during asynchronous checkpointing generate the same kind of interference as they did in past iterations. Based on this assumption, we propose novel asynchronous checkpointing approach that leverages both current and past access pattern trends in order to optimize the order in which memory pages are flushed to stable storage. Large scale experiments show up to 60% improvement when compared to state-of-art checkpointing approaches, all this achievable with an extra memory requirement of less than 5% of the total application memory.
Decoupled DIMM: Building High-Bandwidth Memory System from Low-Speed DRAM Devices
The widespread use of multicore processors has dramatically increased the demands on high bandwidth and large capacity from memory systems. In a conventional DDRx DRAM memory system, the memory bus and DRAM devices run at the same data rate. To improve memory bandwidth, we propose a new memory system design called decoupled DIMM that allows the memory bus to operate at a data rate much higher than that of the DRAM devices. In the design, a synchronization buffer is added to relay data between the slow DRAM devices and the fast memory bus; and memory access scheduling is revised to avoid access conflicts on memory ranks. The design not only improves memory bandwidth beyond what can be supported by current memory devices, but also improves reliability, power efficiency, and cost effectiveness by using relatively slow memory devices. The idea of decoupling, precisely the decoupling of bandwidth match between memory bus and a single rank of devices, can also be applied to other types of memory systems including FB-DIMM. Our experimental results show that a decoupled DIMM system of 2667MT/s bus data rate and 1333MT/s device data rate improves the performance of memory-intensive workloads by 51 % on average over a conventional memory system of 1333MT/s data rate. Alternatively, a decoupled DIMM system of 1600MT/s bus data rate and 800MT/s device data rate incurs only 8 % performance loss when compared with a conventional system of 1600MT/s data rate, with 16 % reduction on the memory power consumption and 9 % saving of memory energy.
Categorical Exclusion Determinations: Ohio | Department of Energy
September 21, 2012 September 21, 2012 CX-009350: Categorical Exclusion Determination Construction of an Autogas Refueling Network CX(s) Applied: B5.22 Date: 09/21/2012 Location(s): Ohio Offices(s): National Energy Technology Laboratory September 21, 2012 CX-009349: Categorical Exclusion Determination Construction of an Autogas Refueling Network CX(s) Applied: B5.22 Date: 09/21/2012 Location(s): Ohio Offices(s): National Energy Technology Laboratory September 7, 2012 CX-009275: Categorical Exclusion Determination "Clean Start" - Development of a National Liquid Propane (Autogas) Refueling Network CX(s) Applied: B5.22 Date: 09/07/2012 Location(s): Ohio Offices(s): National Energy Technology Laboratory September 6, 2012 CX-009184: Categorical Exclusion Determination (0675-1538) Battelle Memorial Institute - Fault Sensing in Operating
Performance analysis of memory hierachies in high performance systems
This thesis studies memory bandwidth as a performance predictor of programs. The focus of this work is on computationally intensive programs. These programs are the most likely to access large amounts of data, stressing the memory system. Computationally intensive programs are also likely to use highly optimizing compilers to produce the fastest executables possible. Methods to reduce the amount of data traffic by increasing the average number of references to each item while it resides in the cache are explored. Increasing the average number of references to each cache item reduces the number of memory requests. Chapter 2 describes the DLX architecture. This is the architecture on which all the experiments were performed. Chapter 3 studies memory moves as a performance predictor for a group of application programs. Chapter 4 introduces a model to study the performance of programs in the presence of memory hierarchies. Chapter 5 explores some compiler optimizations that can help increase the references to each item while it resides in the cache.
Yogesh, A.
Solid state quantum memory using the 31P nuclear spin
The transfer of information between different physical forms is a central theme in communication and computation, for example between processing entities and memory. Nowhere is this more crucial than in quantum computation, where great effort must be taken to protect the integrity of a fragile quantum bit. Nuclear spins are known to benefit from long coherence times compared to electron spins, but are slow to manipulate and suffer from weak thermal polarisation. A powerful model for quantum computation is thus one in which electron spins are used for processing and readout while nuclear spins are used for storage. Here we demonstrate the coherent transfer of a superposition state in an electron spin 'processing' qubit to a nuclear spin 'memory' qubit, using a combination of microwave and radiofrequency pulses applied to 31P donors in an isotopically pure 28Si crystal. The electron spin state can be stored in the nuclear spin on a timescale that is long compared with the electron decoherence time and then coherently transferred back to the electron spin, thus demonstrating the 31P nuclear spin as a solid-state quantum memory. The overall store/readout fidelity is about 90%, attributed to systematic imperfections in radiofrequency pulses which can be improved through the use of composite pulses. We apply dynamic decoupling to protect the nuclear spin quantum memory element from sources of decoherence. The coherence lifetime of the quantum memory element is found to exceed one second at 5.5K.
John J. L. Morton; Alexei M. Tyryshkin; Richard M. Brown; Shyam Shankar; Brendon W. Lovett; Arzhang Ardavan; Thomas Schenkel; Eugene E. Haller; Joel W. Ager; S. A. Lyon
Self-correcting quantum memory in a thermal environment
The ability to store information is of fundamental importance to any computer, be it classical or quantum. To identify systems for quantum memories, which rely, analogously to classical memories, on passive error protection (''self-correction''), is of greatest interest in quantum information science. While systems with topological ground states have been considered to be promising candidates, a large class of them was recently proven unstable against thermal fluctuations. Here, we propose two-dimensional (2D) spin models unaffected by this result. Specifically, we introduce repulsive long-range interactions in the toric code and establish a memory lifetime polynomially increasing with the system size. This remarkable stability is shown to originate directly from the repulsive long-range nature of the interactions. We study the time dynamics of the quantum memory in terms of diffusing anyons and support our analytical results with extensive numerical simulations. Our findings demonstrate that self-correcting quantum memories can exist in 2D at finite temperatures.
Chesi, Stefano; Roethlisberger, Beat; Loss, Daniel [Department of Physics, University of Basel, Klingelbergstrasse 82, CH-4056 Basel (Switzerland)
CX-003498: Categorical Exclusion Determination | Department of Energy
98: Categorical Exclusion Determination 98: Categorical Exclusion Determination CX-003498: Categorical Exclusion Determination Oklahoma State Energy Program American Recovery and Reinvestment Act - Newman Memorial Hospital CX(s) Applied: B1.4, B2.1, B5.1 Date: 08/17/2010 Location(s): Shattuck, Oklahoma Office(s): Energy Efficiency and Renewable Energy, Golden Field Office The State of Oklahoma will provide $547,562 in American Recovery and Reinvestment Act funds to Shattuck Hospital Authority to replace two 45 year old boilers with more energy efficient boilers, replace the emergency back-up boiler, and upgrade the heating, ventilating, and air conditioning (HVAC) system. The work will be performed at the Newman Memorial Hospital located at 905 South Main Street, Shattuck, Oklahoma, 73858. DOCUMENT(S) AVAILABLE FOR DOWNLOAD
Preservation of Memory for People in Semantic Memory Disorder: Further Category-Specific Semantic Dissociation
This paper focuses on how we represent biographical knowledge of familiar people, compared with other kinds of semantic information. Neuropsychological evidence appears to suggest that semantic memory has a categorical structure (see Caramazza & Shelton, 1998; McCarthy & Warrington, 1994). Dissociations have been described, for example, in which knowledge of inanimate categories (such as furniture and clothing) is better preserved than knowledge about living or animate categories (e.g., animals, birds). The reverse dissociation has also been reported, though more rarely, in which knowledge of living things is better preserved (e.g., Warrington & McCarthy, 1987). Some authors have claimed that apparent preservation of knowledge of inanimate objects is really an artifact of their greater familiarity or simpler structure when represented as line drawings (Funnell & Sheridan, 1992; Stewart, Parkin, & Hunkin, 1992). However, a nonliving > living dissociation can be observed even when potentially confounding factors are controlled (Farah, Meyer, & McMullen, 1996), and artifactual accounts cannot explain the reverse dissociation (living> nonliving) . Rather than suggesting that semantic memory has a taxonomic structure, however, findings such as these have been taken to indicate that semantic representations for different kinds of things in the COGNITIVENEUROPSYCHOLOGY, 2002, 19 (2), 113--133 2002 Psychology Press Ltd http://www.tandf.co.uk/journals/pp/02643294.html DOI:10.1080/02643290143000114 113 Requests for reprints should be addressed to Dr J.M. Kay, Department of Psychology, Exeter University, Exeter EX4 4QG, UK (Tel: 44 1392 264626; Fax: 44 1392 264623; Email: firstname.lastname@example.com)
Janice Kay; J. Richard Hanley
T-622: Adobe Acrobat and Reader Unspecified Memory Corruption Vulnerability
22: Adobe Acrobat and Reader Unspecified Memory Corruption 22: Adobe Acrobat and Reader Unspecified Memory Corruption Vulnerability T-622: Adobe Acrobat and Reader Unspecified Memory Corruption Vulnerability May 13, 2011 - 3:25am Addthis PROBLEM: Adobe Acrobat and Reader contain a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code on the targeted system. PLATFORM: Adobe Reader versions 9.4.1 and prior, versions 8.2.5 and prior, and version 10.0 Acrobat Standard and Professional versions 9.4.1 and prior and version 10.0 Acrobat Standard and Professional versions 8.2.5 and prior Acrobat Professional Extended versions 9.4.1 and prior Acrobat 3D versions 8.2.5 and prior Adobe Flash Player versions 10.2.159.1 and prior for Windows, Macintosh, Linux, and Solaris ABSTRACT: The vulnerability is due to an unspecified error in the affected software
Battelle Memorial Institute, Pacific Northwest Division Smart Grid
Battelle Memorial Institute, Pacific Northwest Division Smart Grid Battelle Memorial Institute, Pacific Northwest Division Smart Grid Demonstration Project Jump to: navigation, search Project Lead Battelle Memorial Institute, Pacific Northwest Division Country United States Headquarters Location Richland, Washington Recovery Act Funding $88,821,251.00 Total Project Value $177,642,503.00 Coordinates 46.2856907°, -119.2844621° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[]}
The Pilgrim: A New Consistency Protocol for Distributed Shared Memory
We propose a new consistency protocol for distributed shared memory (DSM) where different shared objects are replicated at each site. This protocol was developed for the cooperative platform called CAliF: Cooperative Application Framework. This system uses the DSM to allow programmers to share objects or variables without having to manage the exchange. We present an algorithm which uses the token technique. The token is data structure which contains the updates of shared data. These data are carried through the ring on the token, named Pilgrim. Pilgrim protocol provides both reliable consistency and guaranteed performance according to the type of application described. The protocol is discussed and proved, and we demonstrate its qualities. Key words: consistency protocol, cooperative work, distributed shared memory, virtual ring. 1 Introduction In this paper, we propose a new consistency protocol for distributed shared memory (DSM) where different shared objects are replicated at eac...
H. Guyennet; J-c. Lapayre; M. Tr�hel
Standards for message-passing in a distributed memory environment
This report presents a summary of the main ideas presented at the First CRPC Work-shop on Standards for Message Passing in a Distributed Memory Environment, held April 29-30, 1992, in Williamsburg, Virginia. This workshop attracted 68 attendees including representative from major hardware and software vendors, and was the first in a series of workshops sponsored by the Center for Research on Parallel Computation. The aim of this series of workshops is to develop and implement a standard for message passing on distributed memory concurrent computers, thereby making it easier to develop efficient, portable application codes for such machines. The report discusses the main issues raised in the CRPC workshop, and describes proposed desirable features of a message passing standard for distributed memory environments.
Walker, D.W.
Quantum teleportation between remote atomic-ensemble quantum memories
Quantum teleportation and quantum memory are two crucial elements for large-scale quantum networks. With the help of prior distributed entanglement as a "quantum channel", quantum teleportation provides an intriguing means to faithfully transfer quantum states among distant locations without actual transmission of the physical carriers. Quantum memory enables controlled storage and retrieval of fast-flying photonic quantum bits with stationary matter systems, which is essential to achieve the scalability required for large-scale quantum networks. Combining these two capabilities, here we realize quantum teleportation between two remote atomic-ensemble quantum memory nodes, each composed of 100 million rubidium atoms and connected by a 150-meter optical fiber. The spinwave state of one atomic ensemble is mapped to a propagating photon, and subjected to Bell-state measurements with another single photon that is entangled with the spinwave state of the other ensemble. Two-photon detection events herald the succe...
Bao, Xiao-Hui; Li, Che-Ming; Yuan, Zhen-Sheng; Lu, Chao-Yang; Pan, Jian-Wei
Method of preparing a two-way shape memory alloy
A two-way shape memory alloy, a method of training a shape memory alloy, and a heat engine employing the two-way shape memory alloy to do external work during both heating and cooling phases are disclosed. The alloy is heated under a first training stress to a temperature which is above the upper operating temperature of the alloy, then cooled to a cold temperature below the zero-force transition temperature of the alloy, then deformed while applying a second training stress which is greater in magnitude than the stress at which the alloy is to be operated, then heated back to the hot temperature, changing from the second training stress back to the first training stress. 8 figs.
Johnson, A.D.
A two-way shape memory alloy, a method of training a shape memory alloy, and a heat engine employing the two-way shape memory alloy to do external work during both heating and cooling phases. The alloy is heated under a first training stress to a temperature which is above the upper operating temperature of the alloy, then cooled to a cold temperature below the zero-force transition temperature of the alloy, then deformed while applying a second training stress which is greater in magnitude than the stress at which the alloy is to be operated, then heated back to the hot temperature, changing from the second training stress back to the first training stress.
Johnson, Alfred D. (5383 Bancroft Ave., Oakland, CA 94601)
Memorandum Memorializing Ex Parte Communication | Department of Energy
Memorandum Memorializing Ex Parte Communication Memorandum Memorializing Ex Parte Communication Memorandum Memorializing Ex Parte Communication On March 31, 2011, a call was held between the Department of Energy and representatives from Cameco. The purpose of the call was to discuss DOE's Notice of Inquiry and request for comment to assist in its development of regulations pertaining to Section 934 of the Energy Independence and Security Act of 2007, as published in the Federal Register on July 27, 2010 (75 FR 43945). Section 934 addresses how the United States will meet its obligations under the Convention on Supplementary Compensation ("CSC") for Nuclear Damage, including its obligation to contribute to an international supplementary fund in the event of certain nuclear incidents. Section 934 authorized DOE to issue regulations establishing a
Learning and Memory Following Conformal Radiation Therapy for Pediatric Craniopharyngioma and Low-Grade Glioma
Purpose: The primary objective of this study was to examine whether children with low-grade glioma (LGG) or craniopharyngioma had impaired learning and memory after conformal radiation therapy (CRT). A secondary objective was to determine whether children who received chemotherapy before CRT, a treatment often used to delay radiation therapy in younger children with LGG, received any protective benefit with respect to learning. Methods and Materials: Learning and memory in 57 children with LGG and 44 children with craniopharyngioma were assessed with the California Verbal Learning Test-Children's Version and the Visual-Auditory Learning tests. Learning measures were administered before CRT, 6 months later, and then yearly for a total of 5 years. Results: No decline in learning scores after CRT was observed when patients were grouped by diagnosis. For children with LGG, chemotherapy before CRT did not provide a protective effect on learning. Multiple regression analyses, which accounted for age and tumor volume and location, found that children treated with chemotherapy before CRT were at greater risk of decline on learning measures than those treated with CRT alone. Variables predictive of learning and memory decline included hydrocephalus, shunt insertion, younger age at time of treatment, female gender, and pre-CRT chemotherapy. Conclusions: This study did not reveal any impairment or decline in learning after CRT in overall aggregate learning scores. However, several important variables were found to have a significant effect on neurocognitive outcome. Specifically, chemotherapy before CRT was predictive of worse outcome on verbal learning in LGG patients. In addition, hydrocephalus and shunt insertion in craniopharyngioma were found to be predictive of worse neurocognitive outcome, suggesting a more aggressive natural history for those patients.
Di Pinto, Marcos [Department of Pediatric Psychology, Children's Hospital of Orange County, Orange, California (United States)] [Department of Pediatric Psychology, Children's Hospital of Orange County, Orange, California (United States); Conklin, Heather M. [Department of Psychology, St. Jude Children's Research Hospital, Memphis, Tennessee (United States)] [Department of Psychology, St. Jude Children's Research Hospital, Memphis, Tennessee (United States); Li, Chenghong [Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, Tennessee (United States)] [Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, Tennessee (United States); Merchant, Thomas E., E-mail: email@example.com [Division of Radiation Oncology, St. Jude Children's Research Hospital, Memphis, Tennessee (United States)
Biomedical Applications of Thermally Activated Shape Memory Polymers
Shape memory polymers (SMPs) are smart materials that can remember a primary shape and can return to this primary shape from a deformed secondary shape when given an appropriate stimulus. This property allows them to be delivered in a compact form via minimally invasive surgeries in humans, and deployed to achieve complex final shapes. Here we review the various biomedical applications of SMPs and the challenges they face with respect to actuation and biocompatibility. While shape memory behavior has been demonstrated with heat, light and chemical environment, here we focus our discussion on thermally stimulated SMPs.
Small IV, W; Singhal, P; Wilson, T S; Maitland, D J
Application of Floquet theory to dynamical systems with memory
We extend the recently developed generalized Floquet theory [Phys. Rev. Lett. 110, 170602 (2013)] to systems with infinite memory. In particular, we show that a lower asymptotic bound exists for the Floquet exponents associated to such cases. As examples, we analyze the cases of an ideal 1D system, a Brownian particle, and a circuit resonator with an ideal transmission line. All these examples show the usefulness of this new approach to the study of dynamical systems with memory, which are ubiquitous in science and technology.
Fabio L. Traversa; Massimiliano Di Ventra; Federica Cappelluti; Fabrizio Bonani
Dynamically Tunable Memory in Two-Component Gene Circuit
Cell has the potential to remember the environmental conditions for many (10{sup 7}) generations but stochastic fluctuations set a fundamental limit on the stability of this memory. Here we explicitly take the binding-unbinding of macromolecules into account to propose a novel rationale for the protein-protein interaction in cell physiology. Based on the first-exit time and the corresponding deterministic characterization of various genetic circuits, we show that the reversible binding dynamics may stabilize non-genetically inherited cell states, providing a practical strategy for designing robust epigenetic memory.
Ghim, C; Almaas, E
Circuit design for embedded memory in low-power integrated circuits
This thesis explores the challenges for integrating embedded static random access memory (SRAM) and non-volatile memory-based on ferroelectric capacitor technology-into lowpower integrated circuits. First considered is the ...
Qazi, Masood
21F.013 Out of Ground Zero: Catastrophe and Memory, Fall 2002
Subject offers a cross-cultural and trans-historical perspective on the problems of catastrophe and the process of memorializing. It asks what media and various art forms can offer to the project of collective memory. It ...
Scribner, Charity
An electron optical technique for large-capacity random-access memories
Memories of the electron beam recording type have many desirable features for large capacity applications. At the Wescon Conference of 1958, the author proposed a class of electron optical memories of very high storage density under the title, "Information ...
Sterling P. Newberry
Simulation of human episodic memory by using a computational model of the hippocampus
The episodic memory, the memory of personal events and history, is essential for understanding the mechanism of human intelligence. Neuroscience evidence has shown that the hippocampus, a part of the limbic system, plays an important role in the encoding ...
Naoyuki Sato; Yoko Yamaguchi
Dynamic task scheduling for linear algebra algorithms on distributed-memory multicore systems
This paper presents a dynamic task scheduling approach to executing dense linear algebra algorithms on multicore systems (either shared-memory or distributed-memory). We use a task-based library to replace the existing linear algebra subroutines such ...
Fengguang Song; Asim YarKhan; Jack Dongarra
A realistic evaluation of memory hardware errors and software system susceptibility
Memory hardware reliability is an indispensable part of whole-system dependability. This paper presents the collection of realistic memory hardware error traces (including transient and non-transient errors) from production computer systems with more ...
Xin Li; Michael C. Huang; Kai Shen; Lingkun Chu
A memory mapping approach for network and controller optimization in parallel interleaver architectures
Recent communication standards and storage systems uses parallel architectures for error correcting codes (LDPC or Turbo-codes) to reliably transfer data between two equipments. However, parallel architectures suffer from memory access conflicts. In ... Keywords: interleavers, memory mapping, parallel architectures
Aroua Briki; Cyrille Chavet; Philippe Coussy
Computational Models for Materials with Shape Memory: Towards a Systematic Description of Coupled Phenomena
In this paper we propose a systematic methodology for improving computational efficiency of models describing the dynamics of materials with memory as part of multilayered structures, in particular in thermoelectric shape memory alloys actuators. The ...
Roderick V. N. Melnik; Anthony J. Roberts
A direct approach to control-flow sensitive region-based memory management
Region-based memory management can be used to control dynamic memory allocations and deallocations safely and efficiently. Existing (direct-style) region systems that statically guarantee region safety---no dereferencing of dangling pointers---are based ...
Fritz Henglein; Henning Makholm; Henning Niss
Mechanical Properties of High Strength NiTiHfPd Shape Memory ...
About this Abstract. Meeting, Materials Science & Technology 2011. Symposium, Shape Memory Alloys. Presentation Title, Mechanical Properties of High�...
Modification of NiTi Shape Memory Alloy Functional Properties Via ...
However, by utilizing the unprecedented multiple memory material (MMM) technology the functional properties of a monolithic component can be locally�...
Momentum transfer resolved memory in a magnetic system with perpendicular anisotropy
our memory measurements than a true ACF since the read-outnoise, which dominates the ACF when the scattering intensity
Seu, Keoki
HykSort: a new variant of hypercube quicksort on distributed memory architectures
In this paper, we present HykSort, an optimized comparison sort for distributed memory architectures that attains more than 2� improvement over bitonic sort and samplesort. The algorithm is based on the hypercube quicksort, but instead of a binary ... Keywords: bitonic sort, distributed-memory parallelism, hypercube, parallel algorithms, quicksort, samplesort, shared-memory parallelism, sorting
Hari Sundar, Dhairya Malhotra, George Biros
DRDU: A data reuse analysis technique for efficient scratch-pad memory management
In multimedia and other streaming applications, a significant portion of energy is spent on data transfers. Exploiting data reuse opportunities in the application, we can reduce this energy by making copies of frequently used data in a small local memory ... Keywords: Scratch-pad memory management, compiler analysis, data reuse analysis, memory hierarchy
Ilya Issenin; Erik Brockmeyer; Miguel Miranda; Nikil Dutt
Run-Time Power-Down Strategies for Real-Time SDRAM Memory Controllers
. PDTRANS PUP Figure 1: Power-Down Transitions 3.3 Arbiters and Latency-Rate Servers Real-time SDRAM memory on the memory state and the power- down duration, for both the power-down strategies. We experimentally evaluate, the tTRANS parameter gives the transition in timing constraint before the memory can switch to a power
Epema, Dick H.J.
The impact of Microsoft Windows pool allocation strategies on memory forensics
An image of a computer's physical memory can provide a forensic examiner with a wealth of information. A small area of system memory, the nonpaged pool, contains lots of information about currently and formerly active processes. As this paper shows, ... Keywords: Microsoft Windows, Pool memory, Process Persistence, Volatile data
Andreas Schuster
A comparison of programming models for multiprocessors with explicitly managed memory hierarchies
On multiprocessors with explicitly managed memory hierarchies (EMM), software has the responsibility of moving data in and out of fast local memories. This task can be complex and error-prone even for expert programmers. Before we can allow compilers ... Keywords: cell be, explicitly managed memory hierarchies, programming models
Scott Schneider; Jae-Seung Yeom; Benjamin Rose; John C. Linford; Adrian Sandu; Dimitrios S. Nikolopoulos
kMemvisor: flexible system wide memory mirroring in virtual environments
Today's commercial cloud service providers require the availability with an annual uptime percentage at least 99.95\\%. While memory errors become norms instead of exceptions with the increasing memory's density and capacity in cloud applications. Thus, ... Keywords: flexible memory mirroring, system-wide high availability
Bin Wang; Zhengwei Qi; Haibing Guan; Haoliang Dong; Wei Sun; Yaozu Dong
Exploring hybrid memory for GPU energy efficiency through software-hardware co-design
Hybrid memory designs, such as DRAM plus Phase Change Memory (PCM), have shown some promise for alleviating power and density issues faced by traditional memory systems. But previous studies have concentrated on CPU systems with a modest level of parallelism. ... Keywords: GPU, NVRAM, co-design, energy efficiency
Bin Wang, Bo Wu, Dong Li, Xipeng Shen, Weikuan Yu, Yizheng Jiao, Jeffrey S. Vetter
Transactional auto scaler: elastic scaling of in-memory transactional data grids
In this paper we introduce TAS (Transactional Auto Scaler), a system for automating elastic-scaling of in-memory transactional data grids, such as NoSQL data stores or Distributed Transactional Memories. Applications of TAS range from on-line self-optimization ... Keywords: analytical models, autonomic provisioning, distributed software transactional memory, performance evaluation
Diego Didona; Paolo Romano; Sebastiano Peluso; Francesco Quaglia
Thermomechanical characterization of nickel-titanium-copper shape memory alloy films
In an effort to develop a more extensive model for the thermomechanical behavior of shape memory alloy (SMA) films, a novel characterization method has been developed. This automated test has been tailored to characterize films for use in micro-electromechanical system (MEMS) actuators. The shape memory effect in NiTiCu is seen in the solid-state phase transformation from an easily deformable low-temperature state to a 'shape remembering' high-temperature state. The accurate determination of engineering properties for these films necessitates measurements of both stress and strain in microfabricated test structures over the full range of desired deformation. Our various experimental methods (uniaxial tensile tests, bimorph curvature tests and diaphragm bulge tests) provide recoverable stress and strain data and the stress-strain relations for these films. Tests were performed over a range of temperatures by resistive heating or ambient heating. These measurements provide the results necessary for developing active SMA structural film design models.
Seward, K P; Ramsey, P B; Krulevitch, P
Utilizing Home Node Prediction to Improve the Performance of Software Distributed Shared Memory
Many researchers use a home-based lazy release consistent protocol (HLRC) to provide a simple, effective, and scalable way to build software distributed shared memory (DSM) systems. However, the performance of HLRC is notoriously sensitive to the initial page distribution among home nodes. This paper proposes an adaptive HLRC protocol in which the home page designation is able to change according to the observed application sharing pattern. Our system differs from HLRC and other adaptive derivatives in the following respects. First, the number of home nodes for each shared page can be varied, as opposed to having only a single home node. Second, we use prediction in a novel way to dynamically change the the location of home nodes according to different memory access patterns. The home node of each shared page is able to propagate, perish, and migrate. An online home predictor determine whether or not the current node should remain a home node or drop from the current set of home nodes for a given page. Finally, all decisions concerning home node group membership are made locally, eliminating the costly global decision-making communication present in many other systems. Performance evaluations using six well-known DSM benchmarks show that our adaptive protocol outperforms conventional HLRC by up to 60%. 1
Song Peng
Crystallographic Boundary in a Crystallographic Boundary in a Magnetic Shape Memory Material Crystallographic Boundary in a Magnetic Shape Memory Material Print Wednesday, 18 April 2012 11:37 A research team has shown the existence of a special structural boundary in an intermetallic compound by combining the unique measurement facilities at the ALS, the single-crystal production capabilities of Tohoku University (Japan), and the materials science expertise of Johannes-Gutenberg-University (Germany). Conventional shape memory materials, such as the commercially available Nitinol (an alloy of nickel and titanium used in microsensing, actuation, and medical devices), undergo a phase transformation with cooling or heating when large areas of a sample distort along a single axis, and where the atomic-unit cell "stretching" from a cube to a rectangular prism occurs. In contrast, magnetic shape memory (MSM) materials are much more rare but have an advantage: The axis of magnetic anisotropy is coupled to the direction of stretching, so a perfect MSM crystal can be made to flex and bend reversibly by applying an external magnetic field.
Experimental demonstration of associative memory with memristive neural networks
Synapses are essential elements for computation and information storage in both real and artificial neural systems. An artificial synapse needs to remember its past dynamical history, store a continuous set of states, and be ''plastic'' according to ... Keywords: Memory, Neural network hardware, Neural networks, Resistance
Yuriy V. Pershin; Massimiliano Di Ventra
Installation package for Hyde Memorial Observatory, Lincoln, Nebraska
This report contains installation information for a solar heating system installed in Hyde Memorial Observatory at Lincoln, Nebraska. This package includes a system operation and maintenance manual, hardware brochures, schematics, system operating modes and drawings. The Solar Engineering and Equipment Company (SEECO) developed this prototype solar heating system, which consists of the following subsystems: solar collector, control, and storage.
A DVS-based pipelined reconfigurable instruction memory
Energy consumption is of significant concern in battery operated embedded systems. In the processors of such systems, the instruction cache consumes a significant fraction of the total energy. One of the most popular methods to reduce the energy consumption ... Keywords: instruction cache, low power, reconfigurable memory
Zhiguo Ge; Tulika Mitra; Weng-Fai Wong
Memory-based heuristics for explicit state spaces
In many scenarios, quickly solving a relatively small search problem with an arbitrary start and arbitrary goal state is important (e.g., GPS navigation). In order to speed this process, we introduce a new class of memory-based heuristics, called true ...
Nathan R. Sturtevant; Ariel Felner; Max Barrer; Jonathan Schaeffer; Neil Burch
The case for hardware transactional memory in software packet processing
Software packet processing is becoming more important to enable differentiated and rapidly-evolving network services. With increasing numbers of programmable processor and accelerator cores per network node, it is a challenge to support sharing and synchronization ... Keywords: packet processing, transactional memory
Martin Labrecque; J. Gregory Steffan
Electrical characterization of a trilayer germanium nanocrystal memory device
In this paper, we report the effects of the thickness of the middle layer and the rapid thermal oxide (RTO) layer on the charge storage capability of the trilayer devices. The capacitance versus voltage (C-V) measurements showed that devices with ... Keywords: capacitance-voltage (C-V), germanium, memory, nanocrystal
Vincent Ho; M. S. Tay; C. H. Moey; L. W. Teo; W. K. Choi; W. K. Chim; C. L. Heng; Y. Lei
CATA: a garbage collection scheme for flash memory file systems
The problem of flash memory is that it cannot be overwritten unless erased in advance. In order to avoid having to erase during every update, non-in-place-update schemes have been widely used. In case of non-in-place update mechanism, garbage collection ...
Longzhe Han; Yeonseung Ryu; Keunsoo Yim
Understanding the Energy Consumption of Dynamic Random Access Memories
Energy consumption has become a major constraint on the capabilities of computer systems. In large systems the energy consumed by Dynamic Random Access Memories (DRAM) is a significant part of the total energy consumption. It is possible to calculate ... Keywords: DRAM, power
Thomas Vogelsang
Memory Efficient Algorithms for Structural Alignment of RNAs with Pseudoknots
In this paper, we consider the problem of structural alignment of a target RNA sequence of length n and a query RNA sequence of length m with known secondary structure that may contain simple pseudoknots or embedded simple pseudoknots. The best known ... Keywords: Noncoding RNAs, pseudoknot, structural alignment, memory efficient algorithm.
Thomas K. F. Wong; Y. S. Chiu; T. W. Lam; S. M. Yiu
MEMMU: Memory expansion for MMU-less embedded systems
Random access memory (RAM) is tightly constrained in the least expensive, lowest-power embedded systems such as sensor network nodes and portable consumer electronics. The most widely used sensor network nodes have only 4 to 10KB of RAM and do not contain ... Keywords: Data compression, embedded system, wireless sensor network
Lan S. Bai; Lei Yang; Robert P. Dick
Quantum Cryptographic Network based on Quantum Memories Computer Science Department
Quantum Cryptographic Network based on Quantum Memories Eli Biham Computer Science Department, Switzerland Tal Mor Department of Physics Technion Haifa 32000, Israel (September 24, 1996) Abstract Quantum transmission of information. We present a quantum cryptographic system, in which users store particles
Biham, Eli
Measuring the performance of parallel computers with distributed memory
Basic techniques for measuring the performance of parallel computers with distributed memory are considered. The results obtained via the de-facto standard LINPACK benchmark suite are shown to be weakly related to the efficiency of applied parallel programs. ... Keywords: HPC, MIMD, cluster, communication expenses, data processing, high-performance computing, optimization, parallel computations, performance, supercomputer
R. A. Iushchenko
Large Data Visualization on Distributed Memory Mulit-GPU Clusters
Data sets of immense size are regularly generated on large scale computing resources. Even among more traditional methods for acquisition of volume data, such as MRI and CT scanners, data which is too large to be effectively visualization on standard workstations is now commonplace. One solution to this problem is to employ a 'visualization cluster,' a small to medium scale cluster dedicated to performing visualization and analysis of massive data sets generated on larger scale supercomputers. These clusters are designed to fit a different need than traditional supercomputers, and therefore their design mandates different hardware choices, such as increased memory, and more recently, graphics processing units (GPUs). While there has been much previous work on distributed memory visualization as well as GPU visualization, there is a relative dearth of algorithms which effectively use GPUs at a large scale in a distributed memory environment. In this work, we study a common visualization technique in a GPU-accelerated, distributed memory setting, and present performance characteristics when scaling to extremely large data sets.
Childs, Henry R.
Brief announcement: subgraph isomorphism on a multithreaded shared memory architecture
Graph algorithms tend to suffer poor performance due to the irregularity of access patterns within general graph data structures, arising from poor data locality, which translates to high memory latency. The result is that advances in high-performance ... Keywords: cray xmt, graphs, mutlithreading, subgraph isomorphism
Claire C. Ralph; Vitus J. Leung; William McLendon, III
System for loading executable code into volatile memory in a downhole tool
A system for loading an executable code into volatile memory in a downhole tool string component comprises a surface control unit comprising executable code. An integrated downhole network comprises data transmission elements in communication with the surface control unit and the volatile memory. The executable code, stored in the surface control unit, is not permanently stored in the downhole tool string component. In a preferred embodiment of the present invention, the downhole tool string component comprises boot memory. In another embodiment, the executable code is an operating system executable code. Preferably, the volatile memory comprises random access memory (RAM). A method for loading executable code to volatile memory in a downhole tool string component comprises sending the code from the surface control unit to a processor in the downhole tool string component over the network. A central processing unit writes the executable code in the volatile memory.
Hall, David R. (Provo, UT); Bartholomew, David B. (Springville, UT); Johnson, Monte L. (Orem, UT)
FPB: Fine-grained Power Budgeting to Improve Write Throughput of Multi-level Cell Phase Change Memory
As a promising nonvolatile memory technology, Phase Change Memory (PCM) has many advantages over traditional DRAM. Multi-level Cell PCM (MLC) has the benefit of increased memory capacity with low fabrication cost. Due to high per-cell write power and ... Keywords: Multiple Level Cell, Phase Change Memory, Power Budget
Lei Jiang; Youtao Zhang; Bruce R. Childers; Jun Yang
Integration of organic insulator and self-assembled gold nanoparticles on Si MOSFET for novel non-volatile memory cells
We have fabricated a hybrid non-volatile gold nanoparticle floating-gate memory metal insulator semiconductor field effect transistor (MISFET) device combining silicon technology and organic thin film deposition. The nanoparticles are deposited by chemical ... Keywords: hybrid Silicon-organic memory, nanocrystal memory, nanoparticles, non-volatile memory
S. Kolliopoulou; P. Dimitrakis; P. Normand; H.-L. Zhang; N. Cant; S. D. Evans; S. Paul; C. Pearson; A. Molloy; M. C. Petty; D. Tsoukalas
RADIOCARBON DATING, MEMORIES AND HOPES W.F, Libby
RADIOCARBON DATING, MEMORIES AND HOPES RADIOCARBON DATING, MEMORIES AND HOPES W.F, Libby Department of Chemistry* and Institute of Geophysics and Planetary Physics, Uni^sjersity of California Los Angeles --(tm)- HISTORY The cosmic ray production of radiocarbon in matter is the basis of radiocarbon dating. It is made from the most abundant atom in air^nitrogen of mass fourteen. Radiocarbon-- carbon-l4 or C-- lasts 83OO years on the average (see note on radioactive decay for explanation on "half life" and "average life") before reverting by radioactive decay to nitrogen-l4. During this time it enters all living things as well as sea water and air» Chemicallyj carbon dioxide is the food of life and presumably the freshly produced C atom is oxidized sooner or later (probably in a few d
Memorial Middle School Wind Project | Open Energy Information
Middle School Wind Project Middle School Wind Project Jump to: navigation, search Name Memorial Middle School Wind Project Facility Memorial Middle School Sector Wind energy Facility Type Community Wind Location SD Coordinates 43.532688°, -96.818901° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":43.532688,"lon":-96.818901,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}
Modeling aspects of human memory for scientific study.
Working with leading experts in the field of cognitive neuroscience and computational intelligence, SNL has developed a computational architecture that represents neurocognitive mechanisms associated with how humans remember experiences in their past. The architecture represents how knowledge is organized and updated through information from individual experiences (episodes) via the cortical-hippocampal declarative memory system. We compared the simulated behavioral characteristics with those of humans measured under well established experimental standards, controlling for unmodeled aspects of human processing, such as perception. We used this knowledge to create robust simulations of & human memory behaviors that should help move the scientific community closer to understanding how humans remember information. These behaviors were experimentally validated against actual human subjects, which was published. An important outcome of the validation process will be the joining of specific experimental testing procedures from the field of neuroscience with computational representations from the field of cognitive modeling and simulation.
Caudell, Thomas P. (University of New Mexico); Watson, Patrick (University of Illinois - Champaign-Urbana Beckman Institute); McDaniel, Mark A. (Washington University); Eichenbaum, Howard B. (Boston University); Cohen, Neal J. (University of Illinois - Champaign-Urbana Beckman Institute); Vineyard, Craig Michael; Taylor, Shawn Ellis; Bernard, Michael Lewis; Morrow, James Dan; Verzi, Stephen J.
Elemental: a new framework for distributed memory dense matrix computations.
Parallelizing dense matrix computations to distributed memory architectures is a well-studied subject and generally considered to be among the best understood domains of parallel computing. Two packages, developed in the mid 1990s, still enjoy regular use: ScaLAPACK and PLAPACK. With the advent of many-core architectures, which may very well take the shape of distributed memory architectures within a single processor, these packages must be revisited since the traditional MPI-based approaches will likely need to be extended. Thus, this is a good time to review lessons learned since the introduction of these two packages and to propose a simple yet effective alternative. Preliminary performance results show the new solution achieves competitive, if not superior, performance on large clusters.
Romero, N.; Poulson, J.; Marker, B.; Hammond, J.; Van de Geijn, R. (LCF); (The Univ. of Texas at Austin)
Approaches for a quantum memory at telecommunication wavelengths
We report experimental storage and retrieval of weak coherent states of light at telecommunication wavelengths using erbium ions doped into a solid. We use two photon-echo-based quantum storage protocols. The first one is based on controlled reversible inhomogeneous broadening (CRIB). It allows the retrieval of the light on demand by controlling the collective atomic coherence with an external electric field, via the linear Stark effect. We study how atoms in the excited state affect the signal-to-noise ratio of the CRIB memory. Additionally we show how CRIB can be used to modify the temporal width of the retrieved light pulse. The second protocol is based on atomic frequency combs. Using this protocol we verify that the reversible mapping is phase preserving by performing an interference experiment with a local oscillator. These measurements are enabling steps toward solid-state quantum memories at telecommunication wavelengths. We also give an outlook on possible improvements.
Lauritzen, Bjoern; Minar, Jiri; Riedmatten, Hugues de; Afzelius, Mikael; Gisin, Nicolas [Group of Applied Physics, University of Geneva, CH-1211 Geneva 4 (Switzerland)
Implementation of KIVA-3 on distributed memory MIMD computers
KIVA-3 is the latest version of a 3-D Finite Difference CFD code developed by Amsden for combustion engine simulations. A distributed-memory implementation has many advantages for problems that hardly fit affordable existing memory banks. Previous attempts to parallelize KIVA-2 by Yasar, et al. were focused mostly on diffusion solvers because of their heavy time consumption during execution. The study suggested a complete parallelization of the code, including advection and spray dynamics, along with the use of a block-wise decomposition scheme to assure an efficient load balancing and a low communication/computation ratio. Here, the authors report rather a general analysis of the issues involved in such a distributed implementation for the latest version of the code, KIVA-3, on MIMD parallel systems. A more detailed analysis of the code and corresponding algorithms have already been implemented by Yasar and will be published soon.
Yasar, O.; Zacharia, T.; Aggarwal, R. [Oak Ridge National Lab., TN (United States); Amsden, A.A.; Baumgardner, J.R. [Oak Ridge National Lab., TN (United States). Center for Computational Sciences]|[Los Alamos National Lab., NM (United States)
The classical capacity of quantum channels with memory
We investigate the classical capacity of two quantum channels with memory: a periodic channel with depolarizing channel branches, and a convex combination of depolarizing channels. We prove that the capacity is additive in both cases. As a result, the channel capacity is achieved without the use of entangled input states. In the case of a convex combination of depolarizing channels the proof provided can be extended to other quantum channels whose classical capacity has been proved to be additive in the memoryless case.
Tony Dorlas; Ciara Morgan
Dorlas, Tony
Correlated Quantum Memory: Manipulating Atomic Entanglement via Electromagnetically Induced Transparency
We propose a feasible scheme of quantum state storage and manipulation via electromagnetically induced transparency (EIT) in flexibly $united$ multi-ensembles of three-level atoms. For different atomic array configurations, one can properly steer the signal and the control lights to generate different forms of atomic entanglement within the framework of linear optics. These results shed new light on designing the versatile quantum memory devices by using, e.g., an atomic grid.
H. Jing; X. -J. Liu; M. -L. Ge; M. -S. Zhan
Categorical Exclusion Determination Form
® ® ; ~. ; Program of field Office: Sandia Sile Office Project Title- From Sensing to Enhancing OraiD Processes (l3!dgs. 899, 980, AOQ MRN, and Univ of JIlinois) I oCiltjon- Sandia National Laboratories - New Mexico Proposed Action or project pescription- American Recovery and Reinyestment Acr r Sandia National LaboratoriesINew Mexico (SNLlNM) proposes a project (or basi~ research in human memory and investigating techniques Ihal could be used to improve memory. The project would also establish an eleclroencephalography (EEG) laboratory al Sandia Facility Operations DB 1.1 - Rate increases < innation (not p
Magnetic field-induced phase transformation & power harvesting capabilities in magnetic shape memory alloys
Magnetic Shape Memory Alloys (MSMAs) combine shape-change/deformationrecovery abilities of heat driven conventional shape memory alloys (SMA) and magnetic field driven magnetostrictives through martensitic transformation. They are promising for actuator applications, and can be employed as sensors/power-harvesters due to their capability to convert mechanical stimuli into magnetic response or vice versa. The purpose of the present work was to investigate magneto-thermo-mechanical (MTM) response of various MSMAs, under simultaneously applied magnetic field, heat and stress. To accomplish this, two novel testing systems which allowed absolute control on magnetic field and stress/strain in a wide and stable range of temperature were designed and manufactured. MTM characterization of MSMAs enabled us to determine the effects of main parameters on reversible magnetic field-induced phase transformation (FIPT), such as magnetocrystalline anisotropy energy, Zeeman energy, stress hysteresis, thermal hysteresis, critical stress to start stress induced phase transformation and crystal orientation. Conventional SMA characteristics of single crystalline Ni2MnGa and NiMnCoIn and polycrystalline NiMnCoAl and NiMnCoSn MSMAs were investigated using the macroscopic MTM testing system to reveal how these conventional properties were linked to magnetic-field-induced actuation. An actuation stress of 5 MPa and a work output of 157 kJm?3 were obtained by the field-induced martensite variant reorientation (VR) in NiMnGa alloys. FIPT was investigated both in Ni2MnGa MSMA and in NiMnCoIn metamagnetic SMA. It proved as an alternative governing mechanism of field-induced shape change to VR in Ni2MnGa single crystals: one-way and reversible (0.5% cyclic magnetic field induced strain (MFIS) under 22 MPa) stress-assisted FIPTs were realized under low field magnitudes (power by means of VR in NiMnGa MSMAs was explored: without enhanced pickup coil parameters or optimized power conditioning circuitry, 280 mV was harvested at 10 Hz frequency within a strain range of 4.9%. For the first time in magnetic shape memory alloys literature, a fully recoverable MFIS of 3% under 125 MPa was attained on single crystalline metamagnetic SMA NiMnCoIn by means of our microscopic MTM testing system to understand the evolution of FIPT under simultaneously applied magnetic field and stress. Conventional SMA characteristics of polycrystalline bulk NiMnCoAl and sintered compacted-powder NiMnCoSn metamagnetic SMAs were also investigated, with and without applied field.
Basaran, Burak
Blue Star Memorial By-Way Dedication: Weldon Spring Interpretive Center |
Blue Star Memorial By-Way Dedication: Weldon Spring Interpretive Blue Star Memorial By-Way Dedication: Weldon Spring Interpretive Center Blue Star Memorial By-Way Dedication: Weldon Spring Interpretive Center July 12, 2013 - 1:04pm Addthis Since 2003, the Lewis and Clark Garden Club (LCGC) of St. Charles County, Missouri, has held their monthly meetings in the Weldon Spring Interpretive Center (WSIC). The LCGC has 22 active members and takes care of 2 garden beds at the WSIC Native Plant Educational Garden under the site's Adopt-A-Garden program. In 2010 the LCGC contacted the U.S. Department of Energy (DOE), seeking approval to install a Blue Star Memorial By-Way Marker as a tribute to the nation's armed forces (see bottom of page for a history of the Blue Star Memorials). A 2,300-pound pink mica memorial marker was placed
T-716: Google SketchUp v8.x - '.DAE' File Memory Corruption Vulnerability |
6: Google SketchUp v8.x - '.DAE' File Memory Corruption 6: Google SketchUp v8.x - '.DAE' File Memory Corruption Vulnerability T-716: Google SketchUp v8.x - '.DAE' File Memory Corruption Vulnerability September 14, 2011 - 9:28am Addthis PROBLEM: Attackers may exploit this issue to execute arbitrary code in the context of the application. Failed attacks will cause denial-of-service conditions. PLATFORM: Google SketchUp 8 is vulnerable; other versions may also be affected. ABSTRACT: Google SketchUp v8.x - '.DAE' File Memory Corruption Vulnerability reference LINKS: Vulnerability-Lab SketchUp Downloads IMPACT ASSESSMENT: Medium Discussion: A Memory Corruption vulnerability is detected on the Google s SketchUp v8.x. The vulnerability is caused by an memory corruption when processing corrupt DAE files through the filter, which could be exploited by attackers
The role of non-volatile memory from an application perspective
Current, emerging, and future NVM (non-volatile memory) technologies give us hope that we will be able to architect HPC (high performance computing) systems that initially use them in a memory and storage hierarchy, and eventually use them as the memory and storage for the system, complete with ownership and protections as a HDD-based (hard-disk-drive-based) file system provides today.
Kettering, Brett M [Los Alamos National Laboratory; Nunez, James A [Los Alamos National Laboratory
The shape memory capability and life of Cu-Al-Be-X alloys
The shape memory capacity and the shape memory life of three alloys of the Cu-11.6Al-0.4Be-X type have been investigated using the strain angle restoration method and compared with the alloy Cu-25Zn-4Al. The alloys were subjected to various normalizing and normalizing plus aging treatments, and all were found to possess excellent shape memory properties. The alloy Cu-11.6Al-0.4Be-0.2Cr demonstrated the best shape memory capacity and life.
Dong, Y.Y.; Dar, K.Z. (Gansu Mechanical Engineering Academy, Lanzhou (China)); Wang, T.M. (Lanzhou Univ. (China)); Zin, S.J. (Lanzhou High Pressure Valve Co. (China))
Shape Memory Response of NiTiHfPd High Strength and High ...
In this study, shape memory and superelastic properties of NiTiHfPd polycrystalline and single crystalline SMAs as functions of aging temperature and time were�...
The list-strength effect and categorical frequency memory: Tests of availability.
??The availability view of memory mantains that the retrieval of categorical frequency information is a function of recall of category exemplars. The List-Strength Effect (LSE),� (more)
Bonanno, Joanne
Diffused paradigms: musical depictions of biodegradation, refraction of sound, and memory deterioration in Sorensen's Sterbende Garten.
??In Sterbende G�rten (Decaying or Dying Gardens) Bent S�rensen employs specific compositional methods in order to depict biodegradation of plants, refraction of sound, and memory� (more)
Thomas, Brian David
Trauma, memory, and identity in contemporary Spain and Bosnia-Herzegovina.
?? The purpose of this thesis is to identify the role of intergenerational trauma within the memory booms associated with the 1936-39 Civil War in� (more)
Babovic, Sarah Millar
Water-Activated, Shape Memory Twist Effect in Wood Slivers as an ...
This shape memory twist effect in wood could inspire new smart materials for a wide range of applications, including sensors, actuators, biomedical devices, and
Empire of Memories: Anatolian material culture and the imagined past in Hellenistic and Roman Lydia
Guide to Ancient Greece . Berkeley, CA: University oftravel and memory in Roman Greece (pp. 33-39). Oxford andthe landscapes of Roman Greece. Cambridge and New York:
Rojas, Felipe
Rebuilding it Better: Greensburg, Kansas, Kiowa County Memorial Hospital (Brochure) (Revised)
A fast and memory-sparing probabilistic selection algorithm for the GPU
A fast and memory-sparing probabilistic top-N selection algorithm is implemented on the GPU. This probabilistic algorithm gives a deterministic result and always terminates. The use of randomization reduces the amount of data that needs heavy processing, and so reduces both the memory requirements and the average time required for the algorithm. This algorithm is well-suited to more general parallel processors with multiple layers of memory hierarchy. Probabilistic Las Vegas algorithms of this kind are a form of stochastic optimization and can be especially useful for processors having a limited amount of fast memory available.
Monroe, Laura M [Los Alamos National Laboratory; Wendelberger, Joanne [Los Alamos National Laboratory; Michalak, Sarah [Los Alamos National Laboratory
Shape memory effect associated with a deformation at a temperature just below A[sub S] in a Fe-Mn-Cr-Si-Ni shape memory alloy
The shape memory effect of Fe-Mn based shape memory alloys is due to the formation of stress-induced [var epsilon]-martensite by deformation and to its reversion by heating over A[sub f], which permit it to recover a part of the original shape. The shape memory effect is directly associated with the [gamma][yields][var epsilon] transformation. For this reason, the authors have established the best conditions to induce the [var epsilon]-martensite inside an austenitic matrix: the deformation must take place at a temperature close to the M[sub s]. It has been established that a deformation made at a higher temperature degrades the shape memory effect. The purpose of this paper is to evaluate the shape memory effect in the case of a deformation applied at a relatively high temperature (just below A[sub s]) on samples containing a high volume fraction of [var epsilon]-martensite before the deformation. It is shown that an other mechanism of shape memory effect occurs in these conditions and allows to reach an interesting shape memory effect ([approximately]2%).
Federzoni, L.; Guenin, G. (G.E.M.P.P.M., Villeurbanne (France))
Nanopatterned ferroelectrics for ultrahigh density rad-hard nonvolatile memories.
Radiation hard nonvolatile random access memory (NVRAM) is a crucial component for DOE and DOD surveillance and defense applications. NVRAMs based upon ferroelectric materials (also known as FERAMs) are proven to work in radiation-rich environments and inherently require less power than many other NVRAM technologies. However, fabrication and integration challenges have led to state-of-the-art FERAMs still being fabricated using a 130nm process while competing phase-change memory (PRAM) has been demonstrated with a 20nm process. Use of block copolymer lithography is a promising approach to patterning at the sub-32nm scale, but is currently limited to self-assembly directly on Si or SiO{sub 2} layers. Successful integration of ferroelectrics with discrete and addressable features of {approx}15-20nm would represent a 100-fold improvement in areal memory density and would enable more highly integrated electronic devices required for systems advances. Towards this end, we have developed a technique that allows us to carry out block copolymer self-assembly directly on a huge variety of different materials and have investigated the fabrication, integration, and characterization of electroceramic materials - primarily focused on solution-derived ferroelectrics - with discrete features of {approx}20nm and below. Significant challenges remain before such techniques will be capable of fabricating fully integrated NVRAM devices, but the tools developed for this effort are already finding broader use. This report introduces the nanopatterned NVRAM device concept as a mechanism for motivating the subsequent studies, but the bulk of the document will focus on the platform and technology development.
Brennecka, Geoffrey L.; Stevens, Jeffrey; Scrymgeour, David; Gin, Aaron V.; Tuttle, Bruce Andrew
Characterization of shape memory alloys for safety mechanisms.
Shape memory alloys (SMAs) are metals that exhibit large recoverable strains and exert large forces with tremendous energy densities. The behavior of SMAs is thermomechanically coupled. Their response to temperature is sensitive to their loading condition and their response to loading is sensitive to their thermal condition. This coupled behavior is not to be circumvented, but to be confronted and understood, since it is what manifests SMA's superior clamping performance. To reasonably characterize the coupled behavior of SMA clamping rings used in safety mechanisms, we conduct a series of experiments on SMA samples. The results of the tests will allow increased fidelity in modeling and failure analysis of parts.
McLaughlin, Jarred T.; Buchheit, Thomas Edward; Massad, Jordan Elias
Topologically-protected quantum memory interfacing atomic and superconducting qubits
We propose a scheme to manipulate a kind of topological spin qubits realized with cold atoms in a one-dimensional optical lattice. In particularly, by introducing a quantum optomechanical setup, we are able to fist transfer a superconducting qubit state to an atomic state and then to store it into the topological spin qubit. In this way, an efficient topological quantum memory may be constructed for the superconducting qubit. Therefore, we can consolidate the advantages of both the noise resistance of topological qubits and the scalability of superconducting qubits in this hybrid architecture.
Zheng-Yuan Xue; Zhang-qi Yin; Yan Chen; Z. D. Wang; Shi-Liang Zhu
APPLICATIONS � DDR/DDR2 Memory Power Supplies
� Synchronous Buck Controller (VDDQ) The TPS51116 provides a complete power supply for � Wide-Input Voltage Range: 3.0-V to 28-V both DDR/SSTL-2 and DDR2/SSTL-18 memory sys-� D�CAP � Mode with 100-ns Load Step Re-tems. It integrates a synchronous buck controller with a 3-A sink/source tracking linear regulator and sponse buffered low noise reference. The TPS51116 offers � Current Mode Option Supports Ceramic the lowest total solution cost in systems where space
unknown authors
A semi-Markov model with memory for price changes
We study the high frequency price dynamics of traded stocks by a model of returns using a semi-Markov approach. More precisely we assume that the intraday returns are described by a discrete time homogeneous semi-Markov which depends also on a memory index. The index is introduced to take into account periods of high and low volatility in the market. First of all we derive the equations governing the process and then theoretical results have been compared with empirical findings from real data. In particular we analyzed high frequency data from the Italian stock market from first of January 2007 until end of December 2010.
D'Amico, Guglielmo
A new �Variable Resolution Associative Memory� for High Energy Physics
We describe an important advancement for the Associative Memory device (AM). The AM is a VLSI processor for pattern recognition based on Content Addressable Memory (CAM) architecture. The AM is optimized for on-line track finding in high-energy physics experiments. Pattern matching is carried out finding track candidates in coarse resolution �roads�. A large AM bank stores all trajectories of interest, called �patterns�, for a given detector resolution. The AM extracts roads compatible with a given event during detector read-out. Two important variables characterize the quality of the AM bank: its �coverage� and the level of �found fakes�. The coverage, which describes the geometric efficiency of a bank, is defined as the fraction of tracks that match at least a pattern in the bank. Given a certain road size, the coverage of the bank can be increased just adding patterns to the bank, while the number of found fakes unfortunately is roughly proportional to this number of patterns in the bank. M...
Annovi, A; The ATLAS collaboration; Beretta, M; Bossini, E; Crescioli, F; Dell'Orso, M; Giannetti, P; Hoff, J; Liberali, V; Liu, T; Magalotti, D; Piendibene, M; Sacco, A; Schoening, A; Soltveit, H K; Stabile, A; Tripiccione, R; Vitillo, R; Volpi, G
A new Variable Resolution Associative Memory for High Energy Physics
Thermomechanical Characterization and Modeling of Shape Memory Polymers
This work focuses on the thermomechanical characterization and constitutive model calibration of shape memory polymers (SMPs). These polymers have the ability to recover seemingly permanent large deformations under the appropriate thermomechanical load path. In this work, a contribution is made to both existing experimental and modeling efforts. First, an experimental investigation is conducted which subjects SMPs to a thermomechanical load path that includes varying the value of applied deformations and temperature rates. Specifically, SMPs are deformed to tensile extensions of 10% to 100% at temperature rates varying from 1 degree C /min to 5 degree C/min, and the complete shape recovery profile is captured. The results from this experimental investigation show that the SMP in question can recover approximately 95% of the value of the applied deformation, independent of the temperature rate during the test. The data obtained in the experimental investigation are then used to calibrate, in one-dimension, two constitutive models which have been developed to describe and predict the material response of SMPs. The models include a model in terms of general deformation gradients, thus making it capable of handling large deformations. In addition, the data are used to calibrate a linearized version of the constitutive model for small deformations. The material properties required for calibrating the constitutive models are derived from portions of the experimental results, and the model is then used to predict the shape memory effect for an SMP undergoing various levels of deformation. The model predictions are shown to match well with the experimental data.
Volk, Brent L.
A new concept of vertically integrated pattern recognition associative memory
Hardware-based pattern recognition for fast triggering on particle tracks has been successfully used in high-energy physics experiments for some time. The CDF Silicon Vertex Trigger (SVT) at the Fermilab Tevatron is an excellent example. The method used there, developed in the 1990's, is based on algorithms that use a massively parallel associative memory architecture to identify patterns efficiently at high speed. However, due to much higher occupancy and event rates at the LHC, and the fact that the LHC detectors have a much larger number of channels in their tracking detectors, there is an enormous challenge in implementing fast pattern recognition for a track trigger, requiring about three orders of magnitude more associative memory patterns than what was used in the original CDF SVT. Scaling of current technologies is unlikely to satisfy the scientific needs of the future, and investments in transformational new technologies need to be made. In this paper, we will discuss a new concept of using the emerging 3D vertical integration technology to significantly advance the state-of-the-art for fast pattern recognition within and outside HEP. A generic R and D proposal based on this new concept, with a few institutions involved, has recently been submitted to DOE with the goal to design and perform the ASIC engineering necessary to realize a prototype device. The progress of this R and D project will be reported in the future. Here we will only focus on the concept of this new approach.
Liu, Ted; Hoff, Jim; Deptuch, Grzegorz; Yarema, Ray; /Fermilab
Multi-Level Bitmap Indexes for Flash Memory Storage
Due to their low access latency, high read speed, and power-efficient operation, flash memory storage devices are rapidly emerging as an attractive alternative to traditional magnetic storage devices. However, tests show that the most efficient indexing methods are not able to take advantage of the flash memory storage devices. In this paper, we present a set of multi-level bitmap indexes that can effectively take advantage of flash storage devices. These indexing methods use coarsely binned indexes to answer queries approximately, and then use finely binned indexes to refine the answers. Our new methods read significantly lower volumes of data at the expense of an increased disk access count, thus taking full advantage of the improved read speed and low access latency of flash devices. To demonstrate the advantage of these new indexes, we measure their performance on a number of storage systems using a standard data warehousing benchmark called the Set Query Benchmark. We observe that multi-level strategies on flash drives are up to 3 times faster than traditional indexing strategies on magnetic disk drives.
Wu, Kesheng; Madduri, Kamesh; Canon, Shane
Research on memory access vulnerability analysis technique in SCADA protocol implementation
SCADA systems play key roles in monitor and control of the critical infrastructures, the vulnerabilities existed in them may destroy the controlled critical infrastructures. This paper proposes an analysis method of memory access vulnerability in SCADA ... Keywords: SCADA protocol implementation, dynamic analysis, memory access vulnerability
Fang Lan; Wang Chunlei; He Ronghui
Modeling neuropathologies as disruption of normal sequence generation in working memory networks
Recurrent networks of cortico-cortical connections have been implicated as the substrate of working memory persistent activity, and patterned sequenced representation as needed in cognitive function. We examine the pathological behavior which may result ... Keywords: Epilepsy, Obsessive compulsive disorder, Schizophrenia, Sequences, Working memory
Sergio Verduzco-Flores; Bard Ermentrout; Mark Bodner
FRASH: Exploiting storage class memory in hybrid file system for hierarchical storage
In this work, we develop a novel hybrid file system, FRASH, for storage-class memory and NAND Flash. Despite the promising physical characteristics of storage-class memory, its scale is an order of magnitude smaller than the current storage device scale. ... Keywords: Flash storage, log-structured file system
Jaemin Jung; Youjip Won; Eunki Kim; Hyungjong Shin; Byeonggil Jeon
Ultra low power associative computing with spin neurons and resistive crossbar memory
Emerging resistive-crossbar memory (RCM) technology can be promising for computationally-expensive analog pattern-matching tasks. However, the use of CMOS analog-circuits with RCM would result in large power-consumption and poor scalability, thereby ... Keywords: emerging circuits and devices, magnets, memory, spin-transfer torque, spintronics
Mrigank Sharad, Deliang Fan, Kaushik Roy
Automatic Generation of Symbolic Reliability Functions for Processor-Memory-Switch Structures
Calculation of the reliability of computer system architectures with built-in redundancy, such as multiprocessors, is gaining in importance. The task of computing the reliability function for arbitrary Processor-Memory-Switch (PMS) interconnection structures, ... Keywords: symbolic hard-failure reliability functions, Automatic generation of symbolic reliability functions, processor-memory-switch (PMS) structures, reliability computation program
V. Kini; D. P. Siewiorek
JETC: Joint Energy, Thermal and Cooling Management for CPU and Memory
JETC: Joint Energy, Thermal and Cooling Management for CPU and Memory Subsystems in Servers Raid Ayoub, Rajib Nath, Tajana Rosing, UCSD 2052.002 Observation Model of Thermal Coupling Between CPU: No Memory Management NCM: No CPU Migration DLB: Dynamic Load Balancing DTM-CM+PI: Dynamic Thermal Management
JETC: Joint Energy Thermal and Cooling Management for Memory and CPU Subsystems in Servers
JETC: Joint Energy Thermal and Cooling Management for Memory and CPU Subsystems in Servers Raid In this work we propose a joint energy, thermal and cooling management technique (JETC) that significantly re to thermal de- pendencies between CPU and memory and non-linearity in cooling energy. This motivates us
Automatic design of artificial neural networks and associative memories for pattern classification and pattern restoration
In this note we present our most recent advances in the automatic design of artificial neural networks (ANNs) and associative memories (AMs) for pattern classification and pattern recall. Particle Swarm Optimization (PSO), Differential Evolution (DE), ... Keywords: artificial neural networks, associative memories, evolutionary programming
Humberto Sossa; Beatriz A. Garro; Juan Villegas; Carlos Avil�s; Gustavo Olague
Implementation of the memory-safe full ANSI-C compiler
This paper describes a completely memory-safe compiler for C language programs that is fully compatible with the ANSI C specification. Programs written in C often suffer from nasty errors due to dangling pointers and buffer overflow. Such errors in Internet ... Keywords: c language, memory safety
Yutaka Oiwa
Hybrid in-memory and on-disk tables for speeding-up table accesses
Main memory database management systems have become essential for response-time-bounded applications, such as those in telecommunications systems or Internet, where users frequently access a table in order to get information or check whether an element ... Keywords: DBMS performance, hybrid tables, main memory databases
Joan Guisado-G�mez; Antoni Wolski; Calisto Zuzarte; Josep-Llu�s Larriba-Pey; Victor Munt�s-Mulero
Memory-conscious collective I/O for extreme scale HPC systems
Upcoming extreme scale platforms are expected to have millions of nodes with hundreds to thousands of small cores for each node. The continuing decrease in memory capacity per core and the increasing disparity between core count and off-chip memory bandwidth ... Keywords: collective I/O, extreme scale system, high performance computing, many-core architecture, parallel I/O
Yin Lu, Yong Chen, Yu Zhuang, Rajeev Thakur
Clustering JVMs with Software Transactional Memory Support Christos Kotselidis, Mikel Lujan, Mohammad Ansari, Konstantinos Malakasis,
in this direction, we propose the Anaconda framework as a research platform to investigate the role Transactional Memory (TM) can play in this domain. Anaconda is a software transactional memory framework that supports clustering of multiple off-the-shelf JVMs on commodity clusters. The main focus of Anaconda is to investigate
Singer, Jeremy
Impact of modern memory subsystems on cache optimizations for stencil computations
In this work we investigate the impact of evolving memory system features, such as large on-chip caches, automatic prefetch, and the growing distance to main memory on 3D stencil computations. These calculations form the basis for a wide range of scientific ... Keywords: cache blocking, performance modeling, prefetch, stencil
Shoaib Kamil; Parry Husbands; Leonid Oliker; John Shalf; Katherine Yelick
Region-based parallelization of irregular reductions on explicitly managed memory hierarchies
Multicore architectures are evolving with the promise of extreme performance for the classes of applications that require high performance and large bandwidth of memory. Irregular reduction is one of important computation patterns for many complex scientific ... Keywords: Compilation techniques, Explicitly managed memory hierarchies, Irregular reduction, Loop parallelization
Seonggun Kim; Hwansoo Han; Kwang-Moo Choe
Integrated Photon Pair Sources, Quantum Memories, and Lasers in Lithium Niobate
Integrated Photon Pair Sources, Quantum Memories, and Lasers in Lithium Niobate W. Sohler1 , H developments in the field of integrated quantum optics [1] exploiting lithium niobate (LN) waveguide technology: single photon pair sources with Ti:PPLN (periodically poled lithium niobate) waveguide, quantum memories
Direct address translation for virtual memory in energy-efficient embedded systems
This article presents a methodology for virtual memory support in energy-efficient embedded systems. A holistic approach is proposed, where the combined efforts of compiler, operating system, and hardware architecture achieve a significant system power ... Keywords: Low-power embedded systems, address translation, virtual memory
Xiangrong Zhou; Peter Petrov
The MEMORI technology - an innovative tool for the protection of movable cultural assets
The EU FP7 project MEMORI ("Measurement, Effect Assessment and Mitigation of Pollutant Impact on Movable Cultural Assets. Innovative Research for Market Transfer"- MEMORI, Grant Agreement No. 265132) works to supply the conservation market with a new ... Keywords: air quality, cultural heritage objects, dosimeters, enclosures, end users, heritage conservation marketing, museums, organic acids, pollution adsorbers, preventive conservation
Terje Gr�ntoft; Elin Dahlin
Commit-reconcile & fences (CRF): a new memory model for architects and compiler writers
We present a new mechanism-oriented memory model called Commit-Reconcile & Fences (CRF) and define it using algebraic rules. Many existing memory models can be described as restricted versions of CRF. The model has been designed so that it is ...
Xiaowei Shen; Arvind; Larry Rudolph
DRAM-based FPGA enabled by three-dimensional (3d) memory stacking (abstract only)
Motivated by the emerging three-dimensional (3D integration technologies, this paper studies the potential of applying 3D memory stacking to enable FPGA devices use on-chip DRAM cells to store configuration data. In current design practice, FPGAs do ... Keywords: 3d integration, dram-based fpga, memory stacking
Yangyang Pan; Tong Zhang
Metal nano-floating gate memory devices fabricated at low temperature
In this communication, we report on the realization of low-temperature processed Electrically Erasable Programmable Read-Only Memory (EEPROM) like device with embedded gold nanoparticles. The realization is based on the fabrication of a V-groove SiGe ... Keywords: Hybrid electronics, Langmuir-Blodgett deposition, Memory, Nanoparticles, SiGe, Wafer bonding
S. Koliopoulou; P. Dimitrakis; D. Goustouridis; P. Normand; C. Pearson; M. C. Petty; H. Radamson; D. Tsoukalas
An interacting Fuzzy-Fading-Memory-based Augmented Kalman Filtering method for maneuvering target tracking
In this paper, the interaction and combination of Fuzzy Fading Memory (FFM) technique and Augmented Kalman Filtering (AUKF) method are presented for the state estimation of non-linear dynamic systems in presence of maneuver. It is shown that the AUKF ... Keywords: Augmented Kalman Filtering method, Fuzzy Fading Memory technique, Interacting Multiple Model algorithm, Maneuvering target tracking
Ahmadreza Amirzadeh, Ali Karimpour
Historical GIS as a Platform for Public Memory at Mammoth Cave National Park
The Mammoth Cave Historical GIS (MCHGIS) fosters new understandings of a national park landscape as a historic farming community and offers a web-based platform for public memory of pre-park inhabitants. It maps the 1920 manuscript census at the household ... Keywords: Historical GIS, Kentucky, Mammoth Cave, National Parks, Public Memory, Public Participation GIS, Virtual Community Building
Katie Algeo; Ann Epperson; Matthew Brunt
Dynamical modeling of transport in MOS structures containing silicon nanocrystals for memory applications
A compact model that can be used to reproduce both quasi-static and dynamic characteristics of basic MOS cells with embedded Si-nc is presented. The structure is modeled through a device-like complex matrix of tunnel junctions, resulting in a time-dependent ... Keywords: Flash memories, Nanocrystals, Nonvolatile memories, Silicon, Silicon nanocrystals, Transport modeling
Josep Carreras; O. Jambois; M. Per�lvarez; Y. Lebour; B. Garrido
RTP: robust tenant placement for elastic in-memory database clusters
In the cloud services industry, a key issue for cloud operators is to minimize operational costs. In this paper, we consider algorithms that elastically contract and expand a cluster of in-memory databases depending on tenants' behavior over time while ... Keywords: cloud computing, data placement, fault tolerance, in-memory databases, multi tenancy
Jan Schaffner; Tim Januschowski; Megan Kercher; Tim Kraska; Hasso Plattner; Michael J. Franklin; Dean Jacobs
Complexity effective memory access scheduling for many-core accelerator architectures
Modern DRAM systems rely on memory controllers that employ out-of-order scheduling to maximize row access locality and bank-level parallelism, which in turn maximizes DRAM bandwidth. This is especially important in graphics processing unit (GPU) architectures, ... Keywords: graphics processors, memory controller, on-chip interconnection networks
George L. Yuan; Ali Bakhoda; Tor M. Aamodt
Optimisation and performance evaluation of mechanisms for latency tolerance in remote memory access communication on clusters
This paper describes the design and performance evaluation of the mechanisms for latency tolerance in the remote memory access communication on clusters equipped with high-performance networks such as Myrinet. It discusses strategies that bridge ... Keywords: aggregation, cluster computing, communication overlap, latency tolerance, non-blocking, remote memory access
J. Nieplocha; V. Tipparaju; M. Krishnan; G. Santhanaraman; D. K. Panda
Using network interface support to avoid asynchronous protocol processing in shared virtual memory systems
The performance of page-based software shared virtual memory (SVM) is still far from that achieved on hardware-coherent distributed shared memory (DSM) systems. The interrupt cost for asynchronous protocol processing has been found to be a key source ...
Angelos Bilas; Cheng Liao; Jaswinder Pal Singh
Aging memory and glassiness of a driven vortex , Guohong Li1
1 Aging memory and glassiness of a driven vortex system. Xu Du1 , Guohong Li1 , Eva Y. Andrei1 , M memory, aging and nonlinear-dynamics. Glasses[1-11], interfaces[12] and fractures are some examples[13 the deviation from equilibrium. After removing the force, the system ages with time and its subsequent response
Andrei, Eva Y.
SuperLU_DIST: A scalable distributed-memory sparse direct solver for unsymmetric linear systems
We present the main algorithmic features in the software package SuperLU_DIST, a distributed-memory sparse direct solver for large sets of linear equations. We give in detail our parallelization strategies, with a focus on scalability issues, and demonstrate ... Keywords: Sparse direct solver, distributed-memory computers, parallelism, scalability, supernodal factorization
Xiaoye S. Li; James W. Demmel
Cache directory look-up re-use as conflict check mechanism for speculative memory requests
In a cache memory, energy and other efficiencies can be realized by saving a result of a cache directory lookup for sequential accesses to a same memory address. Where the cache is a point of coherence for speculative execution in a multiprocessor system, with directory lookups serving as the point of conflict detection, such saving becomes particularly advantageous.
Ohmacht, Martin
Cdk5 Is Required for Memory Function and Hippocampal Plasticity via the cAMP Signaling Pathway
Memory formation is modulated by pre- and post-synaptic signaling events in neurons. The neuronal protein kinase Cyclin-Dependent Kinase 5 (Cdk5) phosphorylates a variety of synaptic substrates and is implicated in memory ...
Zhang, Lei
Both a nicotinic single nucleotide polymorphism (snp) and a noradrenergic snp modulate working memory performance when attention is manipulated
We investigated the relation between the two systems of visuospatial attention and working memory by examining the effect of normal variation in cholinergic and noradrenergic genes on working memory performance under attentional manipulation. We previously ...
Pamela M. Greenwood; Ramya Sundararajan; Ming-Kuan Lin; Reshma Kumar; Karl J. Fryxell; Raja Parasuraman
Graphene Synthesis by Thermal Cracker Enhanced Gas Source Molecular Beam Epitaxy and Its Applications in Flash Memory
in growing large-area graphene on Co substrates. 3.5that nanocrystal based graphene memory is promising for97, 123105 Chapter 5: Graphene nano dots memory capacitor
Zhan, Ning
Method of computer generation and projection recording of microholograms for holographic memory systems: mathematical modelling and experimental implementation
A method of computer generation and projection recording of microholograms for holographic memory systems is presented; the results of mathematical modelling and experimental implementation of the method are demonstrated. (holographic memory)
Betin, A Yu; Bobrinev, V I; Evtikhiev, N N; Zherdev, A Yu; Zlokazov, E Yu; Lushnikov, D S; Markin, V V; Odinokov, S B; Starikov, S N; Starikov, R S
U-064: Adobe Acrobat/Reader PRC Memory Corruption Error Lets Remote Users
4: Adobe Acrobat/Reader PRC Memory Corruption Error Lets Remote 4: Adobe Acrobat/Reader PRC Memory Corruption Error Lets Remote Users Execute Arbitrary Code U-064: Adobe Acrobat/Reader PRC Memory Corruption Error Lets Remote Users Execute Arbitrary Code December 19, 2011 - 9:15am Addthis PROBLEM: Adobe Acrobat/Reader PRC Memory Corruption Error Lets Remote Users Execute Arbitrary Code. PLATFORM: Adobe Acrobat Reader Version(s): 10.1.1 and prior versions ABSTRACT: A vulnerability was reported in Adobe Acrobat/Reader, this vulnerability is being actively exploited against Windows-based systems. reference LINKS: SecurityTracker Alert ID: 1026432 APSB11-30 CVE-2011-4369 JC3-CIRC Tech Bulletin U-054 APSA11-04 IMPACT ASSESSMENT: High Discussion: A remote user can create a specially crafted PDF file that, when loaded by the target user, will trigger a memory corruption error in the PRC
Preliminary Notice of Violation,Battelle Memorial Institute - EA-2007-07 |
Battelle Memorial Institute - Battelle Memorial Institute - EA-2007-07 Preliminary Notice of Violation,Battelle Memorial Institute - EA-2007-07 January 3, 2008 Preliminary Notice of Violation issued to Battelle Memorial Institute related to Radiological Events and the Independent Assessment Program at the Pacific Northwest National Laboratory The results of our onsite investigation were provided in an Investigation Summary Report (ISR) dated October 24, 2007. An enforcement conference was held on November 15, 2007, with you and members of your staff to discuss these findings. A summary of the conference is enclosed. Press Release Preliminary Notice of Violation,Battelle Memorial Institute - EA-2007-07 More Documents & Publications Preliminary Notice of Violation, Los Alamos National Laboratory -
U-166: Adobe Shockwave Player Memory Corruption Flaws Let Remote Users
6: Adobe Shockwave Player Memory Corruption Flaws Let Remote 6: Adobe Shockwave Player Memory Corruption Flaws Let Remote Users Execute Arbitrary Code U-166: Adobe Shockwave Player Memory Corruption Flaws Let Remote Users Execute Arbitrary Code May 10, 2012 - 7:00am Addthis PROBLEM: Adobe Shockwave Player Memory Corruption Flaws Let Remote Users Execute Arbitrary Code PLATFORM: 22.214.171.1244 and prior ABSTRACT: Multiple vulnerabilities were reported in Adobe Shockwave Player. A remote user can cause arbitrary code to be executed on the target user's system. reference LINKS: SecurityTracker Alert ID: 1027037 CVE-2012-2029 CVE-2012-2030 CVE-2012-2031 CVE-2012-2032 CVE-2012-2033 IMPACT ASSESSMENT: High Discussion: A remote user can create specially crafted Shockwave content that, when loaded by the target user, will trigger a memory corruption error and
U-243: libvirt virTypedParameterArrayClear() Memory Access Error Lets
3: libvirt virTypedParameterArrayClear() Memory Access Error 3: libvirt virTypedParameterArrayClear() Memory Access Error Lets Remote Users Deny Service U-243: libvirt virTypedParameterArrayClear() Memory Access Error Lets Remote Users Deny Service August 24, 2012 - 7:00am Addthis PROBLEM: libvirt virTypedParameterArrayClear() Memory Access Error Lets Remote Users Deny Service PLATFORM: Version(s): 0.9.13 and prior ABSTRACT: A vulnerability was reported in libvirt. reference LINKS: libvirt SecurityTracker Alert ID: 1027437 Secunia Advisory SA50118 Bugtraq ID: 54748 CVE-2012-3445 IMPACT ASSESSMENT: Medium Discussion A remote user can send a specially crafted RPC call with the number of parameters set to zero to libvirtd to trigger a memory access error in virTypedParameterArrayClear() and cause the target service to crash. Impact:
V-194: Citrix XenServer Memory Management Error Lets Local Administrative
4: Citrix XenServer Memory Management Error Lets Local 4: Citrix XenServer Memory Management Error Lets Local Administrative Users on the Guest Gain Access on the Host V-194: Citrix XenServer Memory Management Error Lets Local Administrative Users on the Guest Gain Access on the Host July 8, 2013 - 12:24am Addthis PROBLEM: Citrix XenServer Memory Management Error Lets Local Administrative Users on the Guest Gain Access on the Host PLATFORM: Citrix XenServer 5.0 - 6.2 ABSTRACT: A vulnerability was reported in Citrix XenServer. REFERENCE LINKS: CTX138134 SecurityTracker Alert ID: 1028740 CVE-2013-1432 IMPACT ASSESSMENT: Medium DISCUSSION: A local administrative user on a PV guest can exploit a memory management page reference counting error to gain access on the target host server. IMPACT: A local user on the guest operating system can obtain access on the target
U-065: Microsoft Windows win32k.sys Memory Corruption Vulnerability |
5: Microsoft Windows win32k.sys Memory Corruption Vulnerability 5: Microsoft Windows win32k.sys Memory Corruption Vulnerability U-065: Microsoft Windows win32k.sys Memory Corruption Vulnerability December 20, 2011 - 9:45am Addthis PROBLEM: Microsoft Windows win32k.sys Memory Corruption Vulnerability. PLATFORM: Operating System Microsoft Windows 7 ABSTRACT: Successful exploitation may allow execution of arbitrary code with kernel-mode privileges. reference LINKS: Secunia Advisory SA47237 MS11-087:Article ID: 2639417 IMPACT ASSESSMENT: High Discussion: A vulnerability has been discovered in Microsoft Windows, which can be exploited by malicious people to potentially compromise a user's system. The vulnerability is caused due to an error in win32k.sys and can be exploited to corrupt memory via e.g. a specially crafted web page
CX-006806: Categorical Exclusion Determination | Department of Energy
6: Categorical Exclusion Determination 6: Categorical Exclusion Determination CX-006806: Categorical Exclusion Determination Stationary Fuel Cell System Cost Analysis CX(s) Applied: A9 Date: 09/07/2011 Location(s): Ohio Office(s): Energy Efficiency and Renewable Energy, Golden Field Office Battelle Memorial Institute would utilize funding to complete a cost analysis of stationary fuel cell systems including fuel cell forklifts, auxillary power unit systems, backup power systems, and fuel cell prime power systems. See the final Statement of Project Objectives for the details of each individual task proposed. DOCUMENT(S) AVAILABLE FOR DOWNLOAD CX-006806.pdf More Documents & Publications Suggested Talking Points for Hydrogen Road Tour CX-005197: Categorical Exclusion Determination Fiscal Year 2012 Congressional Budget
Categorical Exclusion Determinations: Office of Energy Efficiency and
150: Categorical Exclusion Determination 150: Categorical Exclusion Determination A World-Class University-Industry Consortium for Wind Energy Research, Education, and Workforce Development CX(s) Applied: A9, A11, B3.6, B5.1 Date: 07/26/2010 Location(s): Illinois Office(s): Energy Efficiency and Renewable Energy, Golden Field Office July 26, 2010 CX-003149: Categorical Exclusion Determination Hydrogen Technology Electric Vehicle Charging Station CX(s) Applied: B5.1 Date: 07/26/2010 Location(s): Boca Raton, Florida Office(s): Energy Efficiency and Renewable Energy, Golden Field Office July 23, 2010 CX-003153: Categorical Exclusion Determination Saint Luke's Miners Memorial Hospital Energy Efficiency Project CX(s) Applied: B5.1 Date: 07/23/2010 Location(s): Coaldale, Pennsylvania Office(s): Energy Efficiency and Renewable Energy, National Energy
SoftPCM: Enhancing Energy Efficiency and Lifetime of Phase Change Memory in Video Applications via Approximate Write
Modern video applications such as video codecs are memory-intensive. As an emerging non-volatile memory technology, phase change memory (PCM) will benefit video applications due to its high density, low leakage power and superior scalability. However, ... Keywords: Approximate write, data-comparison write, error tolerance, PCM, write endurance
Yuntan Fang; Huawei Li; Xiaowei Li
Real-time garbage collection for flash-memory storage systems of real-time embedded systems
Flash-memory technology is becoming critical in building embedded systems applications because of its shock-resistant, power economic, and nonvolatile nature. With the recent technology breakthroughs in both capacity and reliability, flash-memory storage ... Keywords: Embedded systems, flash memory, garbage collection, real-time system, storage systems
Li-Pin Chang; Tei-Wei Kuo; Shi-Wu Lo
Half-Wits: Software Techniques for Low-Voltage Probabilistic Storage on Microcontrollers with NOR Flash Memory
This work analyzes the stochastic behavior of writing to embedded flash memory at voltages lower than recommended by a microcontroller�s specifications in order to reduce energy consumption. Flash memory integrated within a microcontroller typically ... Keywords: Flash memory, approximate computing, low-power devices, reliable computing with unreliable components
Mastooreh Salajegheh, Yue Wang, Anxiao (Andrew) Jiang, Erik Learned-Miller, Kevin Fu
Memorial Hospital The original Kiowa County Hospital was destroyed in the May 2007 tornado. The new hospital's design team took one of the most energy- intensive building types and designed a first-of-its kind energy-efficient hospital, while still meeting functional and safety requirements. Completed in March 2010, the hospital is built to achieve the U.S. Green Building Council's Leadership in Energy and Environmental Design (LEED ® ) Platinum designation. The 50,000-square-foot building includes 15 acute-care beds, rural health and specialty clinics, an emergency department with two trauma rooms, physical/occupational therapy and radiology departments, a laboratory, and other support areas. The new hospital is projected to be 32% more energy efficient
Fermi facts, fables: Colleagues and friends share memories
Fermi facts, fables: Colleagues and friends Fermi facts, fables: Colleagues and friends share memories About Director's Welcome Organization Achievements Highlights Fact Sheets, Brochures & Other Documents Multimedia Library Visit Argonne Work with Argonne Contact us Nuclear Energy Why Nuclear Energy? Why are some people afraid of Nuclear Energy? How do nuclear reactors work? Cheaper & Safer Nuclear Energy Helping to Solve the Nuclear Waste Problem Nuclear Reactors Nuclear Reactors Early Exploration Training Reactors Basic and Applied Science Research LWR Technology Development BORAX-III lighting Arco, Idaho (Press Release) Heavy Water and Graphite Reactors Fast Reactor Technology Integral Fast Reactor Argonne Reactor Tree CP-1 70th Anniversary CP-1 70th Anniversary Argonne's Nuclear Science and Technology Legacy
Power Efficiency through Application-Specific Instruction Memory Transformations
The instruction memory communication path constitutes a significant amount of power consumption in embedded processors. We propose an encoding technique that exploits application information to reduce the associated power consumption. The microarchitectural support enables reprogrammability of the encoding transformations so as to track code particularities effectively. The restriction to functional transformations enables effective coding while delivering major power savings, in the process obviating furthermore the necessity to rely on dictionary lookup, one of the major shortcomings of prior approaches. The frugal functional transformation, reliant on a single bit logic gate, introduces no impact to the critical fetch stage of the processor pipeline while delivering fully all the theoretically achievable power savings. The reprogrammable hardware implementation enables flexible and inexpensive switches between the transformations. Extensive experimental results on numerical and DSP codes confirm the theoretically expected magnitude of power savings, evincing reductions that range up to half of the original transitions.
Peter Petrov; Alex Orailoglu
Memory Testing Under Different Stress Conditions: An Industrial Evaluation
This paper presents the effectiveness of various stress conditions (mainly voltage and frequency) on detecting the resistive shorts and open defects in deep sub-micron embedded memories in an industrial environment. Simulation studies on very-low voltage, high voltage and at-speed testing show the need of the stress conditions for high quality products; i.e., low defect-per-million (DPM) level, which is driving the semiconductor market today. The above test conditions have been validated to screen out bad devices on real silicon (a test-chip) built on CMOS 0.18 um technology. IFA (inductive fault analysis) based simulation technique leads to an efficient fault coverage and DPM estimator, which helps the customers upfront to make decisions on test algorithm implementations under different stress conditions in order to reduce the number of test escapes.
Majhi, Ananta K; Gronthoud, Guido; Lousberg, Maurice; Eichenberger, Stefan; Bowen, Fred
Proposal for a coherent quantum memory for propagating microwave photons
We describe a multi-mode quantum memory for propagating microwave photons that combines a solid-state spin ensemble resonantly coupled to a frequency tunable single-mode microwave cavity. We first show that high efficiency mapping of the quantum state transported by a free photon to the spin ensemble is possible both for strong and weak coupling between the cavity mode and the spin ensemble. We also show that even in the weak coupling limit unit efficiency and faithful retrieval can be obtained through time reversal inhomogeneous dephasing based on spin echo techniques. This is possible provided that the cavity containing the spin ensemble and the transmission line are impedance matched. We finally discuss the prospects for an experimental implementation using a rare-earth doped crystal coupled to a superconducting resonator.
M. Afzelius; N. Sangouard; G. Johansson; M. U. Staudt; C. M. Wilson
Translation techniques for distributed-shared memory programming models
The high performance computing community has experienced an explosive improvement in distributed-shared memory hardware. Driven by increasing real-world problem complexity, this explosion has ushered in vast numbers of new systems. Each new system presents new challenges to programmers and application developers. Part of the challenge is adapting to new architectures with new performance characteristics. Different vendors release systems with widely varying architectures that perform differently in different situations. Furthermore, since vendors need only provide a single performance number (total MFLOPS, typically for a single benchmark), they only have strong incentive initially to optimize the API of their choice. Consequently, only a fraction of the available APIs are well optimized on most systems. This causes issues porting and writing maintainable software, let alone issues for programmers burdened with mastering each new API as it is released. Also, programmers wishing to use a certain machine must choose their API based on the underlying hardware instead of the application. This thesis argues that a flexible, extensible translator for distributed-shared memory APIs can help address some of these issues. For example, a translator might take as input code in one API and output an equivalent program in another. Such a translator could provide instant porting for applications to new systems that do not support the application's library or language natively. While open-source APIs are abundant, they do not perform optimally everywhere. A translator would also allow performance testing using a single base code translated to a number of different APIs. Most significantly, this type of translator frees programmers to select the most appropriate API for a given application based on the application (and developer) itself instead of the underlying hardware.
Fuller, Douglas James
Aging phenomena in PMMA thin films -- memory and rejuvenation effects
Aging dynamics in thin films of poly(methyl methacrylate) (PMMA) have been investigated through dielectric measurements for different types of aging processes. The dielectric constant was found to decrease with increasing aging time at an aging temperature in many cases. An increase in the dielectric constant was also observed in the long time region ($\\ge$11h) near the glass transition temperature for thin films with thickness less than 26nm. In the constant rate mode including a temporary stop at a temperature $T_a$, the memory of the aging at $T_a$ was found to be kept and then to be recalled during the subsequent heating process. In the negative temperature cycling process, a strong rejuvenation effect has been observed after the temperature shift from the initial temperature $T_1$ to the second temperature $T_2$($=T_1+\\Delta T$) when $\\Delta T\\approx -20$K. Furthermore, a full memory effect has also been observed for the temperature shift from $T_2$ to $T_1$. This suggests that the aging at $T_1$ is totally independent of that at $T_2$ for $\\Delta T\\approx -20$K. As $|\\Delta T|$ decreases, the independence of the aging between the two temperatures was found to be weaken, $i.e.,$ the effective time, which is a measure of the contribution of the aging at $T_1$ to that at $T_2$, is a decreasing function of $|\\Delta T|$ in the negative region of $\\Delta T$. As the film thickness decreases from 514nm to 26nm, the $|\\Delta T|$ dependence of the effective time was found to become much stronger. The contribution of the aging at $T_2$ to that at $T_1$ disappears more rapidly with increasing $|\\Delta T|$ in thin film geometry than in the bulk state.
Koji Fukao; Aiko Sakamoto
A software memory partition approach for eliminating bank-level interference in multicore systems
Main memory system is a shared resource in modern multicore machines, resulting in serious interference, which causes performance degradation in terms of throughput slowdown and unfairness. Numerous new memory scheduling algorithms have been proposed to address the interference problem. However, these algorithms usually employ complex scheduling logic and need hardware modification to memory controllers, as a result, industrial venders seem to have some hesitation in adopting them. This paper presents a practical software approach to effectively eliminate the interference without hardware modification. The key idea is to modify the OS memory management subsystem to adopt a page-coloring based bank-level partition mechanism (BPM), which allocates specific DRAM banks to specific cores (threads). By using BPM, memory controllers can passively schedule memory requests in a core-cluster (or thread-cluster) way. We implement BPM in Linux 188.8.131.52 kernel and evaluate BPM on 4-core and 8-core real machines by running randomly generated 20 multi-programmed workloads (each contains 4/8 benchmarks) and multi-threaded benchmark. Experimental results show that BPM can improve the overall system throughput by 4.7% on average (up to 8.6%), and reduce the maximum slowdown by 4.5 % on average (up to 15.8%). Moreover, BPM also saves 5.2% of the energy consumption of memory system.
Lei Liu; Zehan Cui; Mingjie Xing; Yungang Bao; Mingyu Chen; Chengyong Wu
CX-005578: Categorical Exclusion Determination | Department of...
Renewable Energy, National Energy Technology Laboratory Installation of one 100 kilowatt (kW) wind turbine on the grounds of Fisherman's Memorial State Park. DOCUMENT(S) AVAILABLE...
CX-003824: Categorical Exclusion Determination | Department of...
Energy Efficiency and Renewable Energy, National Energy Technology Laboratory Install solar thermal hot water system on the existing roof of the Kellenberg Memorial High School....
CX-006122: Categorical Exclusion Determination | Department of...
Energy, National Energy Technology Laboratory Installation of a closed-loop ground source heat pump, geothermal system at the existing Gunn Memorial Library. DOCUMENT(S)...
High speed, very large (8 megabyte) first in/first out buffer memory (FIFO)
A fast FIFO (First In First Out) memory buffer capable of storing data at rates of 100 megabytes per second. The invention includes a data packer which concatenates small bit data words into large bit data words, a memory array having individual data storage addresses adapted to store the large bit data words, a data unpacker into which large bit data words from the array can be read and reconstructed into small bit data words, and a controller to control and keep track of the individual data storage addresses in the memory array into which data from the packer is being written and data to the unpacker is being read.
Baumbaugh, Alan E. (Batavia, IL); Knickerbocker, Kelly L. (Aurora, IL)
Ultranarrow-Band Photon Pair Source Compatible with Solid State Quantum Memories and Telecommunication Networks
We report on a source of ultranarrow-band photon pairs generated by widely nondegenerate cavity-enhanced spontaneous down-conversion. The source is designed to be compatible with Pr3+ solid state quantum memories and telecommunication optical fibers, with signal and idler photons close to 606 nm and 1436 nm, respectively. Both photons have a spectral bandwidth around 2 MHz, matching the bandwidth of Pr3+ doped quantum memories. This source is ideally suited for long distance quantum communication architectures involving solid state quantum memories.
Julia Fekete; Daniel Rielander; Matteo Cristiani; Hugues de Riedmatten
Categorical Exclusion Determinations: B5.1 | Department of Energy
1, 2010 1, 2010 CX-004316: Categorical Exclusion Determination Commercial Renewable Energy Systems - Bruce Cox (Cox Lake Dam) CX(s) Applied: B1.24, B5.1 Date: 11/01/2010 Location(s): Randolph County, North Carolina Office(s): Energy Efficiency and Renewable Energy, National Energy Technology Laboratory November 1, 2010 CX-004315: Categorical Exclusion Determination Commercial Renewable Energy Systems - Cannon Memorial Young Men's Christian Association Solar Thermal CX(s) Applied: A9, B1.5, B1.31, B2.2, B5.1 Date: 11/01/2010 Location(s): Kannapolis, North Carolina Office(s): Energy Efficiency and Renewable Energy, National Energy Technology Laboratory November 1, 2010 CX-004314: Categorical Exclusion Determination Commercial Renewable Energy Systems - Black Farms CX(s) Applied: B1.15, B5.1
CX-001770: Categorical Exclusion Determination | Department of Energy
70: Categorical Exclusion Determination 70: Categorical Exclusion Determination CX-001770: Categorical Exclusion Determination Colorado-City-Pueblo Energy Efficiency and Conservation Strategy CX(s) Applied: A1, A9, A11, B1.32, B2.5, B3.6, B5.1 Date: 04/23/2010 Location(s): Pueblo, Colorado Office(s): Energy Efficiency and Renewable Energy Energy Efficiency and Conservation Block Grant for: 1) Development of an energy efficiency and conservation strategy (completed); 2) installation of 150 kilowatt direct current solar photovoltaic system on the Main Street Parking Garage; 3) retrofit of the City Hall/Memorial Hall (94 years old) including skylights, lighting systems, windows, boiler, Heating Ventilation and Air Conditioning cooling tower, and water conservation improvements; 4) establishment and implementation of energy efficiency home improvements
CX-004265: Categorical Exclusion Determination | Department of Energy
265: Categorical Exclusion Determination 265: Categorical Exclusion Determination CX-004265: Categorical Exclusion Determination South Dakota-Tribe-Lower Brule Sioux Tribe CX(s) Applied: A9, A11, B2.5, B5.1 Date: 10/15/2010 Location(s): South Dakota Office(s): Energy Efficiency and Renewable Energy Energy Efficiency and Conservation Block Grant Program. The Lower Brule Sioux Tribe of South Dakota proposes to 1) retain technical consultant services to assist in development of an energy and conservation strategy, 2) conduct energy audits on tribal residential and commercial buildings, and 3) conduct energy retrofits (lighting and heating, cooling, and ventilation) on the Tribal Administration Building and Veterans Memorial Community Center. DOCUMENT(S) AVAILABLE FOR DOWNLOAD CX-004265.pdf More Documents & Publications
CX-002050: Categorical Exclusion Determination | Department of Energy
50: Categorical Exclusion Determination 50: Categorical Exclusion Determination CX-002050: Categorical Exclusion Determination Energy Efficiency and Conservation Block Grant Funded Projects - Statement of Work (S) CX(s) Applied: A9, A11, B5.1 Date: 04/20/2010 Location(s): Loudoun County, Virginia Office(s): Energy Efficiency and Renewable Energy, Golden Field Office Energy Efficiency and Conservation Block Grant fund. The projects listed within this EF-1 include: Scott Jenkins Memorial Park light-emitting diode (LED) lights, Education and outreach to business and residents, Building Standards and Energy Performance Labeling, the Energy improvements as part of the Loudoun County Home Improvement Program, the Town of Purcellville LED Streetlight program and the installation of an estimated 10 kilowatt
CX-006584: Categorical Exclusion Determination | Department of Energy
84: Categorical Exclusion Determination 84: Categorical Exclusion Determination CX-006584: Categorical Exclusion Determination Upgrading of Biomass Fast Pyrolysis Oil (Bio-oil) CX(s) Applied: A9, B3.6 Date: 08/15/2011 Location(s): Columbus, Ohio Office(s): Energy Efficiency and Renewable Energy, Golden Field Office The Department of Energy is proposing to provide federal funding to Battelle Memorial Institute to develop a catalytic bio-oil upgrading process that will produce a final liquid transportation hydrocarbon fuel that can be blended at up to 30% by weight with American Society for Testing and Materials (ASTM) petroleum fuels or that can produce an upgraded bio-oil compatible with existing petroleum refining unit operations. DOCUMENT(S) AVAILABLE FOR DOWNLOAD CX-006584.pdf More Documents & Publications
CX-002214: Categorical Exclusion Determination | Department of Energy
214: Categorical Exclusion Determination 214: Categorical Exclusion Determination CX-002214: Categorical Exclusion Determination Susanville Indian Rancheria Portfolio Manager Tool CX(s) Applied: B2.5, B5.1 Date: 05/10/2010 Location(s): California Office(s): Energy Efficiency and Renewable Energy Energy Efficiency and Conservation Block Grant Program. The Susanville Indian Rancheria (SIR) proposes to establish the Environmental Protection Agency?s Portfolio Manager tool to collect key building and operational characteristics and energy use data to assess and understand current energy performance of tribal-owned buildings. Seven buildings will be assessed: Tribal Business Office, Resource Center, Lassen Indian Health Clinic, SIR Housing Authority Office, Sierra Housing Program Office, Joaquin Memorial
CX-002049: Categorical Exclusion Determination | Department of Energy
49: Categorical Exclusion Determination 49: Categorical Exclusion Determination CX-002049: Categorical Exclusion Determination Philip Health Services Geothermal Project CX(s) Applied: A9, B5.1 Date: 04/22/2010 Location(s): Philip, South Dakota Office(s): Energy Efficiency and Renewable Energy, Golden Field Office The City of Philip is proposing to use American Recovery and Reinvestment Act funds provided by DOE to install two 6" 1,746 linear feet geothermal lines to link Hans P. Peterson Memorial Hospital and adjacent health care facilities, known as Philip Health Services, with an existing Philip Geothermal District System. This project is also seeking funding through the United States Department of Agriculture (USDA) Rural Development Program. The project will involve converting/retrofitting Philip Health
1, 2010 1, 2010 CX-004352: Categorical Exclusion Determination Alabama-City-Mobile CX(s) Applied: A9, B1.32, B2.5, B5.1 Date: 11/01/2010 Location(s): Mobile, Alabama Office(s): Energy Efficiency and Renewable Energy November 1, 2010 CX-004316: Categorical Exclusion Determination Commercial Renewable Energy Systems - Bruce Cox (Cox Lake Dam) CX(s) Applied: B1.24, B5.1 Date: 11/01/2010 Location(s): Randolph County, North Carolina Office(s): Energy Efficiency and Renewable Energy, National Energy Technology Laboratory November 1, 2010 CX-004315: Categorical Exclusion Determination Commercial Renewable Energy Systems - Cannon Memorial Young Men's Christian Association Solar Thermal CX(s) Applied: A9, B1.5, B1.31, B2.2, B5.1 Date: 11/01/2010 Location(s): Kannapolis, North Carolina
Phase Equilibria Symposium in Memory of Dr. Richard Spriggs
This symposium will cover phase equilibria and related studies in ceramic systems. Both experimental ... Experimental methods for phase diagram determination
Making Memorial Day Plans? Be Sure They're Efficient | Department of Energy
Making Memorial Day Plans? Be Sure They're Efficient Making Memorial Day Plans? Be Sure They're Efficient Making Memorial Day Plans? Be Sure They're Efficient May 17, 2011 - 11:11am Addthis Allison Casey Senior Communicator, NREL Memorial Day is coming up and there are many ways to honor the men and women who died in service to our country. You may be planning to attend a parade or ceremony, or maybe you're just planning to take a moment of silence to reflect and remember. Along with these excellent community activities, many Americans also choose to gather with friends and family to honor our heroes and usher in the unofficial start of summer. While the weather can still be unpredictable, by this time most of us are ready for sun and shorts and barbecue. If you're planning to entertain-particularly if you'll be cooking-be
Memorial Day Weekend Sales Tax Holiday for Energy-Efficient Products |
Memorial Day Weekend Sales Tax Holiday for Energy-Efficient Memorial Day Weekend Sales Tax Holiday for Energy-Efficient Products Memorial Day Weekend Sales Tax Holiday for Energy-Efficient Products < Back Eligibility General Public/Consumer Savings Category Heating & Cooling Cooling Commercial Heating & Cooling Appliances & Electronics Commercial Lighting Lighting Maximum Rebate Air conditioners: price of less than $6,000; Refrigerators: price of less than $2,000; No limit on total purchases. Program Info Start Date 05/2008 State Texas Program Type Sales Tax Incentive Rebate Amount 100% of sales and use tax (6.25% - 8.25% depending on local jurisdiction) Provider Comptroller of Public Accounts Purchases of certain energy-efficient products during Memorial Day weekend are exempt from the state sales and use tax.* This amounts to a three-day
Making Memorial Day Plans? Be Sure They're Efficient Making Memorial Day Plans? Be Sure They're Efficient Making Memorial Day Plans? Be Sure They're Efficient May 27, 2011 - 4:15pm Addthis Allison Casey Senior Communicator, NREL Editor's note: This is a cross-post from the Energy Savers blog. There are many ways to honor the men and women who died in service to our country this Memorial Day. You may be planning to attend a parade or ceremony, or maybe you're just planning to take a moment of silence to reflect and remember. Many Americans also choose to gather with friends and family to honor our heroes and usher in the unofficial start of summer. While the weather can still be unpredictable, by this time most of us are ready for sun and shorts and barbecue. If you're planning to entertain -- particularly if you'll be cooking -- be
V-176: Adobe Flash Player Memory Corruption Flaw Lets Remote Users Execute
6: Adobe Flash Player Memory Corruption Flaw Lets Remote Users 6: Adobe Flash Player Memory Corruption Flaw Lets Remote Users Execute Arbitrary Code V-176: Adobe Flash Player Memory Corruption Flaw Lets Remote Users Execute Arbitrary Code June 12, 2013 - 12:15am Addthis PROBLEM: Adobe Flash Player Memory Corruption Flaw Lets Remote Users Execute Arbitrary Code PLATFORM: Adobe Flash Player 11.7.700.202 and earlier versions for Windows Adobe Flash Player 11.7.700.203 and earlier versions for Macintosh Adobe Flash Player 188.8.131.525 and earlier versions for Linux Adobe Flash Player 18.104.22.168 and earlier versions for Android 4.x Adobe Flash Player 18.104.22.168 and earlier versions for Android 3.x and 2.x Adobe AIR 18.104.22.1680 and earlier versions for Windows and Macintosh Adobe AIR 18.104.22.1680 and earlier versions for Android
T-609: Adobe Acrobat/Reader Memory Corruption Error in CoolType Library
T-609: Adobe Acrobat/Reader Memory Corruption Error in CoolType T-609: Adobe Acrobat/Reader Memory Corruption Error in CoolType Library Lets Remote Users Execute Arbitrary Code T-609: Adobe Acrobat/Reader Memory Corruption Error in CoolType Library Lets Remote Users Execute Arbitrary Code April 25, 2011 - 7:00am Addthis PROBLEM: A vulnerability was reported in Adobe Acrobat and Adobe Reader. A remote user can cause arbitrary code to be executed on the target user's system. PLATFORM: Adobe Reader and Acrobat X (10.0.2) and earlier 10.x and 9.x versions for Windows and Macintosh operating systems ABSTRACT: A remote user can create a specially crafted PDF file that, when loaded by the target user, will trigger a memory corruption error in the CoolType library and execute arbitrary code on the target system. The code will run
V-018: Adobe Flash Player Buffer Overflows and Memory Corruption Errors Let
8: Adobe Flash Player Buffer Overflows and Memory Corruption 8: Adobe Flash Player Buffer Overflows and Memory Corruption Errors Let Remote Users Execute Arbitrary Code V-018: Adobe Flash Player Buffer Overflows and Memory Corruption Errors Let Remote Users Execute Arbitrary Code November 7, 2012 - 6:00am Addthis PROBLEM: Adobe Flash Player Buffer Overflows and Memory Corruption Errors Let Remote Users Execute Arbitrary Code PLATFORM: Adobe Flash Player 11.4.402.287 and prior for Windows and OS X; 126.96.36.199 and prior for Linux ABSTRACT: Several vulnerabilities were reported in Adobe Flash Player. REFERENCE LINKS: Adobe Vulnerability identifier: APSB12-24 SecurityTracker Alert ID: 1027730 CVE-2012-5274 CVE-2012-5275 CVE-2012-5276 CVE-2012-5277 CVE-2012-5278 CVE-2012-5279 CVE-2012-5280 IMPACT ASSESSMENT: High DISCUSSION: Several vulnerabilities were reported in Adobe Flash Player. A remote user
Design and evaluation of a benchmark for main memory transaction processing systems
We designed a diverse collection of benchmarks for Main Memory Database Systems (MMDBs) to validate and compare entries in a programming contest. Each entrant to the contest programmed an indexing system optimized for ...
Reid, Elizabeth G
Integrating program transformations in the memory-based synthesis of image and video algorithms
In this paper we discuss the interaction and integration of two important program transformations in high-level synthesis�Tree Height Reduction and Redundant Memory-access Elimination. Intuitively, these program transformations do not interfere ...
David J. Kolson; Alexandru Nicolau; Nikil Dutt
Radioactive material package closures with the use of shape memory alloys
When heated from room temperature to 165 C, some shape memory metal alloys such as titanium-nickel alloys have the ability to return to a previously defined shape or size with dimensional changes up to 7%. In contrast, the thermal expansion of most metals over this temperature range is about 0.1 to 0.2%. The dimension change of shape memory alloys, which occurs during a martensite to austenite phase transition, can generate stresses as high as 700 MPa (100 kspi). These properties can be used to create a closure for radioactive materials packages that provides for easy robotic or manual operations and results in reproducible, tamper-proof seals. This paper describes some proposed closure methods with shape memory alloys for radioactive material packages. Properties of the shape memory alloys are first summarized, then some possible alternative sealing methods discussed, and, finally, results from an initial proof-of-concept experiment described.
Koski, J.A.; Bronowski, D.R.
Inferring soil moisture memory from streamflow observations using a simple water balance model
Soil moisture is known for its integrative behavior and resulting memory characteristics. Soil moisture anomalies can persist for weeks or even months into the future, making initial soil moisture a potentially important contributor to skill in ...
Rene Orth; Randal D. Koster; Sonia I. Seneviratne
Interprocessor communication speed and performance in distributed-memory parallel processors
We have simulated several numerical and non-numerical algorithms on five distributed-memory parallel processors (DMPPs). All five DMPPs have the same topology (a torus), and the same number of nodes. The architectures differ only in the communication ...
M. Annaratone; C. Pommerell; R. R�hl
High-resolution fmri of content-sensitive subsequent memory responses in human medial temporal lobe
The essential role of the medial temporal lobe (MTL) in long-term memory for individual events is well established, yet important questions remain regarding the mnemonic functions of the component structures that constitute the region. Within the hippocampus, ...
Alison R. Preston; Aaron M. Bornstein; J. Benjamin Hutchinson; Meghan E. Gaare; Gary H. Glover; Anthony D. Wagner
Polymorphisms in the 5-httlpr gene mediate storage capacity of visual working memory
Working memory (WM) is a limited capacity system that permeates nearly all levels of cognition, ranging from perceptual awareness to intelligence. Through behavioral, electrophysiological, and neuroimaging work, substantial gains have been made in understanding ...
David E. Anderson; Theodore A. Bell; Edward Awh
The Effect of Cingulate Cortex Lesions on Task Switching and Working Memory
Anatomic interconnections between the prefrontal and anterior cingulate cortices suggest that these areas may have similar functions. Here we report the effect of anterior cingulate removal on task switching, error monitoring, and working memory. Neuroimaging ...
M. F. S. Rushworth; K. A. Hadland; D. Gaffan; R. E. Passingham
Soil Moisture Memory in AGCM Simulations: Analysis of Global Land�Atmosphere Coupling Experiment (GLACE) Data
Soil moisture memory is a key aspect of land�atmosphere interaction and has major implications for seasonal forecasting. Because of a severe lack of soil moisture observations on most continents, existing analyses of global-scale soil moisture ...
Sonia I. Seneviratne; Randal D. Koster; Zhichang Guo; Paul A. Dirmeyer; Eva Kowalczyk; David Lawrence; Ping Liu; David Mocko; Cheng-Hsuan Lu; Keith W. Oleson; Diana Verseghy
ToolBlocks: An Infrastructure for the Construction of Memory Hierarchy Analysis Tools (Research Note)
In an era dominated by the rapid development of faster and cheaper processors it is difficult both for the application developer and system architect to make intelligent decisions about application interaction with system memory hierarchy. We present ...
Timothy Sherwood; Brad Calder
Single electron effects and structural effects in ultrascaled silicon nanocrystal floating-gate memories
In this paper, we present a nanometer-sized floating-gate memory device, fabricated on silicon-on-insulator substrate and using silicon nanocrystals as storage nodes. Single electron charging and discharging phenomena occurring at room temperature will ...
G. Molas; B. De Salvo; G. Ghibaudo; D. Mariolle; A. Toffoli; N. Buffet; R. Puglisi; S. Lombardo; S. Deleonibus
A bright idea? : the promise and peril of a memory drug
In the MIT lab of neuropharmacologist Richard Wurtman, rodents that received a new Alzheimer's drug have shown a marked improvement in learning and memory. They are able to master elaborate mazes in half the time of their ...
Dowd, William (William Michael)
A Study of Self-Aligned SONOS-type Nonvolatile Memory with Internal Block Oxide.
??In this thesis, we have proposed the self-aligned SONOS-type nonvolatile memory with internal block oxide (SAIBO-SONOS NVM). We use the dry etching method to bury� (more)
Hsu, Shih-wen
Gated-Vdd: a circuit technique to reduce leakage in deep-submicron cache memories
Deep-submicron CMOS designs have resulted in large leakage energy dissipation in microprocessors. While SRAM cells in on-chip cache memories always contribute to this leakage, there is a large variability in active cell usage both within ...
Michael Powell; Se-Hyun Yang; Babak Falsafi; Kaushik Roy; T. N. Vijaykumar
9.03 / 9.031 Neural Basis of Learning and Memory, Fall 2003
Topics in mammalian learning and memory including cellular mechanisms of neural plasticity, electrophysiology, and behavior. Emphasis on human and animal models of hippocampal mechanisms and function. Lectures and discussion ...
Corkin, Suzanne
A hybrid data structure for dense keys in in-memory database systems
This thesis presents a data structure which performs well for in-memory indexing of keys that are unevenly distributed into clusters with a high density of keys. This pattern is prevalent, for example, in systems that use ...
Mu�iz Navarro, Jos� Alberto
Lateralization of Prefrontal Activity during Episodic Memory Retrieval: Evidence for the Production-Monitoring Hypothesis
We propose a new hypothesis concerning the lateralization of prefrontal cortex (PFC) activity during verbal episodic memory retrieval. The hypothesis states that the left PFC is differentially more involved in semantically guided information production ...
Roberto Cabeza; Jill K. Locantore; Nicole D. Anderson
A Revised Framework for Analyzing Soil Moisture Memory in Climate Data: Derivation and Interpretation
A revised framework for the analysis of soil moisture memory characteristics of climate models and observational data is derived from the approach proposed by Koster and Suarez. The resulting equation allows the expression of the month-to-month ...
Sonia I. Seneviratne; Randal D. Koster
Design and testing of a biomimetic tuna using shape memory alloy induced propulsion
Current unmanned undersea vehicles (UUVs) are almost exclusively propeller driven designs, which must inherently be optimized for a particular speed, sacrificing low speed manoeuvrability for cruising efficiency. Recently, biomimetic approaches to underwater ... Keywords: Shape memory alloys, Shape propulsion, Smart structures
Afzal Suleman; Curran Crawford
Workload Decomposition for Particle Simulation Applications on Hierarchical Distributed-Shared Memory
for High Performance Computing. Bus-based shared memory multiprocessor systems (SMPs) are rapidly spreading-bandwidth interconnection network, are increasingly established and used to provide high performance computing at a low cost
Vlad, Gregorio
Developing Methods For Designing Shape Memory Alloy Actuated Morphing Aerostructures
The past twenty years have seen the successful characterization and computational modeling efforts by the smart materials community to better understand the Shape Memory Alloy (SMA). Commercially available numerical analysis tools, coupled with powerful constitutive models, have been shown to be highly accurate for predicting the response of these materials when subjected to predetermined loading conditions. This thesis acknowledges the development of such an established analysis framework and proposes an expanded design framework that is capable of accounting for the complex coupling behavior between SMA components and the surrounding assembly or system. In order to capture these effects, additional analysis tools are implemented in addition to the standard use of the non-linear finite element analysis (FEA) solver and a full, robust SMA constitutive model coded as a custom user-defined material subroutine (UMAT). These additional tools include a computational fluid dynamics (CFD) solver, a cosimulation module that allows separate FEA and CFD solvers to iteratively analyze fluid-structure interaction (FSI) and conjugate heat transfer (CHT) problems, and the addition of the latent heat term to the heat equations in the UMAT to fully account for transient thermomechanical coupling. Procedures for optimizing SMA component and assembly designs through iterative analysis are also introduced at the highest level. These techniques are implemented using commercially available simulation process management and scripting tools. The expanded framework is demonstrated on example engineering problems that are motivated by real morphing structure applications, namely the Boeing Variable Geometry Chevron (VGC) and the NASA Shape Memory Alloy Hybrid Composite (SMAHC) chevron. Three different studies are conducted on these applications, focusing on component-, assembly-, and system-level analysis, each of which may necessitate accounting for certain coupling interactions between thermal, mechanical, and fluid fields. Output analysis data from each of the three models are validated against experimental data, where available. It is shown that the expanded design framework can account for the additional coupling effects at each analysis level, while providing an efficient and accurate alternative to the cost- and time-expensive legacy design-build-test methods that are still used today to engineer SMA actuated morphing aerostructures.
Oehler, Stephen Daniel
Adult age differences in perceptually based, but not conceptually based implicit tests of memory
Implicit tests of memory assess the influence of recent experience without requiring awareness of remembering. Evidence concerning age differences on implicit tests of memory suggests small age differences in favor of younger adults. However, the majority of research examining this issue has relied upon perceptually based implicit tests. Recently, a second type of implicit test, one that relies upon conceptually based processes, has been identified. The pattern of age differences on this second type of implicit test is less clear. In the present study, we examined the pattern of age differences oh one conceptually based (fact completion) and one perceptually based (stem completion) implicit test of memory, as well as two explicit tests of memory (fact and word recall). Tasks were administered to 403 adults from three age groups (19-34 years, 58-73 years, 74-89 years). Significant age differences in favor of the young were found on stem completion but not fact completion. Age differences were present for both word and fact recall. Correlational analyses examining the relationship of memory performance to other cognitive variables indicated that the implicit tests were supported by different components than the explicit tests, as well as being different from each other. IN RECENT years, there has been a great deal of interest in implicit tests of memory (Graf & Masson, 1993; Lewandosky, Dunn, & Kirsner, 1989). Unlike explicit tests of
Brent J. Small; David F. Hultsch; Michael E. J. Masson
Method for loading shape memory polymer gripper mechanisms
A method and apparatus for loading deposit material, such as an embolic coil, into a shape memory polymer (SMP) gripping/release mechanism. The apparatus enables the application of uniform pressure to secure a grip by the SMP mechanism on the deposit material via differential pressure between, for example, vacuum within the SMP mechanism and hydrostatic water pressure on the exterior of the SMP mechanism. The SMP tubing material of the mechanism is heated to above the glass transformation temperature (Tg) while reshaping, and subsequently cooled to below Tg to freeze the shape. The heating and/or cooling may, for example, be provided by the same water applied for pressurization or the heating can be applied by optical fibers packaged to the SMP mechanism for directing a laser beam, for example, thereunto. At a point of use, the deposit material is released from the SMP mechanism by reheating the SMP material to above the temperature Tg whereby it returns to its initial shape. The reheating of the SMP material may be carried out by injecting heated fluid (water) through an associated catheter or by optical fibers and an associated beam of laser light, for example.
Micro devices using shape memory polymer patches for mated connections
A method and micro device for repositioning or retrieving miniature devices located in inaccessible areas, such as medical devices (e.g., stents, embolic coils, etc.) located in a blood vessel. The micro repositioning or retrieving device and method uses shape memory polymer (SMP) patches formed into mating geometries (e.g., a hoop and a hook) for re-attachment of the deposited medical device to a catheter or guidewire. For example, SMP or other material hoops are formed on the medical device to be deposited in a blood vessel, and SMP hooks are formed on the micro device attached to a guidewire, whereby the hooks on the micro device attach to the hoops on the medical device, or vice versa, enabling deposition, movement, re-deposit, or retrieval of the medical device. By changing the temperature of the SMP hooks, the hooks can be attached to or released from the hoops located on the medical device. An exemplary method for forming the hooks and hoops involves depositing a sacrificial thin film on a substrate, patterning and processing the thin film to form openings therethrough, depositing or bonding SMP materials in the openings so as to be attached to the substrate, and removing the sacrificial thin film.
Lee, Abraham P. (Walnut Creek, CA); Fitch, Joseph P. (Livermore, CA)
Testing the Role of Source Credibility on Memory for Inferences
Research shows that people have difficulty forgetting inferences they make after reading a passage, even when the information that the inferences are based on is later known to be untrue. This dissertation examined the effects of these inferences on memory for political information and tested if the credibility of the source of the correction influences whether people use the correction, or continue relying on the original information when making inferences. According to source credibility theory, there are two main factors that contribute to credibility, expertise and trustworthiness. Experiment 1 examined credibility as a function of both expertise and trustworthiness. The results from this experiment showed that having a correction from a source who is high on both factors significantly decreased the use of the original information. Experiment 2 examined credibility as a function of expertise. The Experiment 2 results showed no significant decrease in participants' use of the original information, if a correction came from a source that was simply more expert (but not more trustworthy) than another source. This finding suggests that source expertise alone is not sufficient to reduce reliance on the original information. Experiment 3, which examined credibility as a function of trustworthiness, demonstrated that having a highly trustworthy source does significantly decrease the use of the original information when making inferences. This study is the first to provide direct support for the hypothesis that making the source of a correction more believable decreases use of the original discredited information when making inferences.
Guillory, Jimmeka Joy
Development of a shape memory alloy actuated biomimetic hydrofoil
The development of an active biomimetic hydrofoil that utilizes Shape Memory Alloy (SMA) actuator technology is presented herein. This work describes the design and testing of two experimental hydrofoils. The first model had a trailing edge flap deflected by a pair of SMA wires and demonstrated the feasibility of using SMAs in an aquatic environment. The second hydrofoil had a skeletal structure similar to a fish with internal SMA muscles. This hydrofoil was able to deform to several shapes mimicking aquatic animals with controlled oscillation frequencies of up to 1 Hz, with 1/2 Hz oscillation producing the largest useful amplitudes. Measurable force was generated when the biomimetic hydrofoil was defected underwater. The magnitude of the force was limited by the high flexibility of the tail. An adaptive model for control of SMA actuators is also presented. The control method combines predetermined open-loop modeling with an error feedback for updating of the hysteresis model. The model was capable of tracking a single SMA wire up to 20 Hz, but had trouble simultaneously controlling six wires.
Wilson, Larry Nixon
Active control of underwater propulsor using shape memory alloys
The development of a leading edge propeller blade reconfiguration system using Shape Memory Allow (SMA) muscles is presented. This work describes the design and testing of a leading edge flap, which is used to alter the local camber of a propeller blade. The leading edge flap is deflected by SMA wires housed in the blade and maintained in a fixed position with a shaft locking and releasing mechanism. A locking and releasing mechanism is utilized so that constant actuation of the SMAs is not required to maintain leading edge deflection. The profile at 70% span of the propeller blade was used to create a two-dimensional blade for leading edge flap design implementation and load testing. Deflection of up to five degrees was obtained with the final design of the leading edge flap and locking and releasing mechanism. The SMA muscles used to deflect the leading edge were actuated electronically through resistive heating and were controlled by a proportional/integral gain control algorithm with closed-loop feedback from a linear displacement sensor within the blade. With the final design of the leading edge flap and locking and releasing mechanism, a preliminary design for a three-dimensional propeller was created.
Wasylyszyn, Jonathan Allen
Memorandum Memorializing Ex Parte Communication, DOE impending determination of coverage for commercial and industrial fans, blowers, and fume hoods.
The meeting was requested by AMCA International to introduce the association�s leadership, standards, and experience in developing fan standards to DOE; to learn more about the DOE process for...
Draft General Conformity Determination
I I Draft General Conformity Determination U.S. Department of the Interior Minerals Management Service MMS Cape Wind Energy Project January 2009 Final EIS Appendix I Draft General Conformity Determination Draft General Conformity Determination Cape Wind Energy Project Prepared by Minerals Management Service Herndon, VA November 2008 i TABLE OF CONTENTS 1.0 INTRODUCTION TO THE PROPOSED ACTION............................................................... 1 2.0 GENERAL CONFORMITY REGULATORY BACKGROUND .......................................... 2 2.1 GENERAL CONFORMITY REQUIREMENTS.................................................................... 2 2.2 GENERAL CONFORMITY APPLICABILITY.....................................................................
Examination of temperature-induced shape memory of uranium--5. 3-to 6. 9 weight percent niobium alloys
The uranium-niobium alloy system was examined in the range of 5.3-to-6.9 weight percent niobium with respect to shape memory, mechanical properties, metallography, Coefficients of linear thermal expansion, and differential thermal analysis. Shape memory increased with increasing niobium levels in the study range. There were no useful correlations found between shape memory and the other tests. Coefficients of linear thermal expansion tests of as-quenched 5.8 and 6.2 weight percent niobium specimens, but not 5.3 and 6.9 weight percent niobium specimens, had a contraction component on heating, but the phenomenon was not a contributor to shape memory.
Hemperly, V.C.
Intermediate photovoltaic system application experiment operational performance report. Volume 3. For G. N. Wilcox Memorial Hospital, Kauai, Hawaii
Presented are the project description, list of participants, and system specifications for the intermediate photovoltaic project at G.N. Wilcox Memorial Hospital, Kauai, Hawaii.
Individual working memory capacity is uniquely correlated with feature-based attention when combined with spatial attention
of mental storage capacity. 87-114. Zhang, W. , & Luck, S.of working memory capacity. Psychonomic Bulletin & Review,of mental storage capacity. The Behavioral and Brain
Bengson, Jesse J.; Mangun, George R.
Categorical Exclusion Determinations: Environmental Management...
Environmental Management Categorical Exclusion Determinations: Environmental Management Categorical Exclusion Determinations issued by Environmental Management. DOCUMENTS AVAILABLE...
Effect of solution hardening on the shape memory effect of Fe-Mn based alloys
Fe-high Mn-Si alloys, which undergo {gamma} (fcc) to {var_epsilon} (hcp) martensitic transformation, exhibit a pronounced shape memory effect. The origin of shape memory effect of these alloys is the reversion of stress-induced {var_epsilon} martensite. A shape change must hence be accomplish3ed by stress-induced martensitic transformation without permanent slip in austenite ({gamma}) in order to obtain a good shape memory effect. It is clear that the intrusion of permanent slip can be suppressed by increasing the strength of austenite and by decreasing the applied stress required for a shape change due to stress-induced martensitic transformation. It has been reported that the addition of the interstitial elements of C and N as well as the substitutional elements of Mo and V increases the 0.2% proof stress of austenite in Fe-high Mn alloys. However, there have been few studies on the effect of these alloying elements on the shape memory effect of Fe-high Mn based alloys. In the present study, it was aimed to improve the shape memory effect of Fe-high Mn based alloys by the strengthening of austenite through solution hardening due to C and Mo.
Tsuzaki, K.; Natsume, Y.; Maki, T. [Kyoto Univ. (Japan). Dept. of Materials Science and Engineering; Tomota, Y. [Ibaraki Univ., Hitachi (Japan)
Capsule: an energy-optimized object storage system for memory-constrained sensor devices
Recent gains in energy-efficiency of new-generation NAND flash storage have strengthened the case for in-network storage by data-centric sensor network applications. This paper argues that a simple file system abstraction is inadequate for realizing the full benefits of high-capacity low-power NAND flash storage in data-centric applications. Instead we advocate a rich object storage abstraction to support flexible use of the storage system for a variety of application needs and one that is specifically optimized for memory and energy-constrained sensor platforms. We propose Capsule, an energy-optimized log-structured object storage system for flash memories that enables sensor applications to exploit storage resources in a multitude of ways. Capsule employs a hardware abstraction layer that hides the vagaries of flash memories for the application and supports energy-optimized implementations of commonly used storage objects such as streams, files, arrays, queues and lists. Further, Capsule supports checkpointing and rollback of object states to tolerate software faults in sensor applications running on inexpensive, unreliable hardware. Our experiments demonstrate that Capsule provides platform-independence, greater functionality, more tunability, and greater energy-efficiency than existing sensor storage solutions, while operating even within the memory constraints of the Mica2 Mote. Our experiments not only demonstrate the energy and memory-efficiency of I/O operations in Capsule but also shows that Capsule consumes less than 15% of the total energy cost in a typical sensor application.
Gaurav Mathur; Peter Desnoyers; Deepak Ganesan; Prashant Shenoy
System for determining the type of nuclear radiation from detector output pulse shape
A radiation detection system determines the type of nuclear radiation received in a detector by producing a correlation value representative of the statistical cross correlation between the shape of the detector signal and pulse shape data previously stored in memory and characteristic of respective types of radiation. The correlation value is indicative of the type of radiation. The energy of the radiation is determined from the detector signal and is used to produce a spectrum of radiation energies according to radiation type for indicating the nature of the material producing the radiation.
Miller, William H. (Columbia, MO); Berliner, Ronald R. (Columbia, MO)
A radiation detection system determines the type of nuclear radiation received in a detector by producing a correlation value representative of the statistical cross correlation between the shape of the detector signal and pulse shape data previously stored in memory and characteristic of respective types of radiation. The correlation value is indicative of the type of radiation. The energy of the radiation is determined from the detector signal and is used to produce a spectrum of radiation energies according to radiation type for indicating the nature of the material producing the radiation. 2 figs.
Miller, W.H.; Berliner, R.R.
T-624: Novell eDirectory LDAP-SSL Memory Allocation Error Lets Remote Users
4: Novell eDirectory LDAP-SSL Memory Allocation Error Lets 4: Novell eDirectory LDAP-SSL Memory Allocation Error Lets Remote Users Deny Service T-624: Novell eDirectory LDAP-SSL Memory Allocation Error Lets Remote Users Deny Service May 17, 2011 - 3:05pm Addthis PROBLEM: A vulnerability was reported in Novell eDirectory. A remote user can cause denial of service conditions. A remote user can send specially crafted data to cause the target service to crash. On Netware-based systems, the system may crash. PLATFORM: Red Hat Enterprise, SuSE,AIX, HP/UX, Solaris, Windows 2000, 2003 ABSTRACT: A remote user can cause denial of service conditions. reference LINKS: Novell eDirectory - LDAP-SSL SECURELIST.ORG SecurityFocus BugTrackID: 47858 IMPACT ASSESSMENT: High Discussion: A vulnerability was reported in Novell eDirectory. A remote user can cause
V-228: RealPlayer Buffer Overflow and Memory Corruption Error Let Remote
8: RealPlayer Buffer Overflow and Memory Corruption Error Let 8: RealPlayer Buffer Overflow and Memory Corruption Error Let Remote Users Execute Arbitrary Code V-228: RealPlayer Buffer Overflow and Memory Corruption Error Let Remote Users Execute Arbitrary Code August 27, 2013 - 6:00am Addthis PROBLEM: Two vulnerabilities were reported in RealPlayer PLATFORM: RealPlayer 22.214.171.124 and prior ABSTRACT: A remote user can cause arbitrary code to be executed on the target user's system REFERENCE LINKS: Security Tracker Alert ID 1028953 RealNetworks Security Bulletin CVE-2013-4973 CVE-2013-4974 IMPACT ASSESSMENT: Medium DISCUSSION: A remote user can create a specially crafted RMP file that, when loaded by the target user, will trigger a stack overflow and execute arbitrary code on the target system. A remote user can create a specially crafted RealMedia file that, when
T-569: Adobe Flash SWF File Processing Memory Corruption Remote Code
9: Adobe Flash SWF File Processing Memory Corruption Remote 9: Adobe Flash SWF File Processing Memory Corruption Remote Code Execution Vulnerability T-569: Adobe Flash SWF File Processing Memory Corruption Remote Code Execution Vulnerability March 3, 2011 - 3:05pm Addthis PROBLEM: Adobe Flash Player contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code on a targeted system. PLATFORM: Adobe Flash Player versions 10.1.102.64 and prior ABSTRACT: Critical vulnerabilities have been identified in Adobe Flash Player 10.1.102.64 and earlier versions for Windows, Macintosh, Linux, and Solaris. These vulnerabilities could cause the application to crash and could potentially allow an attacker to take control of the affected system. reference LINKS: Cisco IntelliShield ID:22576 Adobe Security Update: APSB11-02