text:
Customer feedback
Contribute Your Feedback |
Click the button below or email email@example.com to contribute your experiences with this product. Although not necessary, it's interesting to have a first name, city, state and country (no email addresses will be used). Any information submitted becomes the property of Tennis Warehouse. Please include any relevant information such as skill level and style of play. |
Comments: These shoes are comfortable, but the the air bubble in my right heel popped on the fifth time I wore
these. It isn't covered under the warranty, and TW will not take the shoe back. I'll just stick to Barricades or Asics.
Comments: Nike has really messed up going to this "cage" model and away from the Air Max Breathe Free which
was the most popular and best tennis shoe ever! I had not ever seen such large population of people loving one shoe like they did
the Breathe Free model. I think it was close to perfect! The Air Max Cage, on the other hand, runs bigger and looser in fitting and
does not hug your feet like its predecessor. It requires a break-in and is just not as comfortable. All I can say, Nike please bring
back the Air Max Breathe shoes. Trash this Cage model and add your color schemes to the Air Max Breathe models. Why ruin a
good thing!
Comments: I'm an aggressive 4.0 player, 165 lbs and wear a size 11 shoe. I have worn out 10-12 pairs of Prince
T22s. These Nikes fit about the same, but lighter weight. Hopefully more durable. They are a comfortable shoe. I'm disappointed
that the bubble in the right heel broke after 20 hours of use. It makes an annoying noise.
Comments: Good stability, with short break-in period. However, I bought two pairs and the air pocket in the heel of
my right show has popped on both shoes after a few weeks of wear (very annoying). I previously wore the Barricade 3,5,6 and 7.
Think, I'll go back to the Barricade 7.
Comments: All three pairs of these that I bought, the Air Max heel cushion popped open! Decent shoe, relatively
lightweight, not too durable, not the best support, but very breathable. I hope Nike can fix that problem for 2014, but by then I'm
switching over to the new Vapors!
Comments: I loved the Nike Air Cage Courts. The Nike Air Max Cage is totally different! It's much more narrow in
the heel/arch area. I got blisters from this shoe, because the arch is extremely narrow! When you lift the insert, you see the width
is only 2 inches!
Comments: Very narrow shoes, especially in the heel to arch area. I only recommend this shoe to people who have
very narrow feet. I got blisters on both feet from this shoe after 30 minutes because the arch support is so narrow and pokes you
on the side. The video review from TW also touches on this. Andy and Chris also didn't like how the heel sat in the shoe. I think it's
because, of the narrow and high arch support.
Comments: For me, if you want a snug fit in these shoes, you should really consider sizing down, even 1 whole size
down. I wear a size 8 for the Vapor 9s and tried size 7 for these. They felt great though the length is a little bit short, but fine. I
laced the shoes up to the last eyelet to completely lock down my foot. They look really good. I'm happy.
Comments: These shoes are very very comfortable, supportive, and definitely a "sexier" Nike tennis shoe. They are
built to last. Just a little to much rubber for me -- 14.1 ounces for a shoe is just too heavy for me. Typical Nike tennis shoe --
decent look, great stability and comfort, but bulky and heavy. A good teaching shoe.
Comments: These shoes are great -- though the support and stability aren't as great as the Barricades. Also, when
the shoes are broken in, they flex in too much so when you're running to get a ball, you might slip. On the other hand, everything
else is great. However, I'd stick to the Barricades (7 not 8).
Comments: These are awesome shoes. Comfort is better than the Ballistics, durability is better than the Vapor 9. It's
a good medium ground. However, I'm on my second pair and the air bubble popped in both. I've only had my current pair for
about a month, which is bad because now I have to listen to a squishing noise from the right shoe for the next month while I'm
playing. I really like these shoes and wouldn't want to have to stop buying them just because of a minor design flaw. I hope Nike
can fix this problem in 2014.
Comments: Really disappointed in this shoe coming from the Ballistecs. This is a light weight shoe but not so
stable. In the first wear the midsole started separating from the cage in the left foot, then the same thing in the right foot. Then a
week later, the right shoe started to sound like a "scquick" in the shoe, so by reading other comments, sounds like the air bubble
broke. This is the last time I buy this shoe and recommend the Courtballistecs instead of the Cages.
Comments: Pros: They are very comfortable, stable, and light shoes despite the bulky look. Little break-in period
(one session). Cons: the outsole durability. I am 6'3'' and 210 lbs, a 4.0 player, play twice a week on hard courts, bought these
shoes at the beginning of August (now it's the beginning of November) and the outsole is already worn out, badly, both on the
toes and one the edges. True, there is a 6-month warranty, but I find it virtually useless as you are supposed to see your toes
through the outer sole before you can submit a claim. I am not waiting to see my big toe before I buy a new pair of tennis shoes.
Will go back to Wilson or adidas.
Comments: Perfect tennis shoe! Played with Barricade IV, Babolat, Nike Breathe and so far, this is the best feeling
shoe. Great stability, very light and also a great design. I ordered half a size down and it fits as stated in the description.
Comments: By far the most comfortable shoe I've played in. I love everything about it, except the sole wears out in
a matter of months and then the air pockets pop.
Comments: Returned these before I played with them because the sole is too thick. I need to be closer to the
ground. They sit higher than the Barricade 7s and Ballistic 4.3s.
Comments: I got some knee soreness from these shoes. I wore them for a match that lasted 2 sets, and hours later
I had severe knee pain (below the patella) and before this did not have a knee pain.
Comments: I love these shoes. Having recently used both the Vapor 9s and the Courtballistec 4.3s, I can confidently
say the Air Max Cages really are a perfect cross between the two shoes. They are just about as light and comfortable as the
Vapors, and are actually more durable than the Courtballistecs. I wore through my Courtballistecs after about two months and I
have yet to see any wear on the soles of my cages after two weeks. A couple knocks are that they are a bit roomy, but tying them
as tight as possible fixes this well enough and prevents your foot from moving around inside. Also, they could use a bit more
lateral support on the outer side, I've noticed a couple times when making very hard cuts that my footing doesn't feel as stable as
I'd like. Overall, a great mix of lightweight comfort and durability. I'll definitely be buying more pairs of this shoe.
Comments: These are my second pair of shoes. I got a replacement pair a month ago because of the broken air
tube. It happened again.
Comments: Checking back in after having these shoes for 4 months, and all I can say is wow. I'm still working on
trying to get through the outsole 4 months later, playing at least 5 hours a week, which is saying a lot because I would burn
through the Courtballistecs in a matter of weeks. The shoe is still holding together well and is, at this point the most comfortable
shoe I've ever played with. I would definitely recommend these shoes to players that are hard on outsoles and are searching for
something more durable.
Comments: These are great shoes overall. Very stable, comfortable, and excellent durability. Took me 3 months to
wear out playing twice a week. That's twice as long as it took me to wear out Big Shot IIs. The sole and upper really are super
durable and well made. They fit about 1/4 size big for me. Tried a half size smaller and had to return them for my standard
10.5s. To make the 10.5s work I took some thin insoles from old shoes and put them under the nice insoles that Nike includes
with these shoes. Minor issues -- I also experienced the heel movement mentioned by others. I fixed this by using the top eyelets
as they are designed and really cranking them tight. A bit uncomfortable at first bit it does the trick and makes them ultra stable
anyway. Second the foam and leather exposed at the end of the top eyelets get frayed from rubbing against the opposite shoe.
Comments: I really like these shoes. Good cushioning and support in a fairly fast-feeling shoe. Plenty of colors to
choose from too, which is always a plus. Traction is adequate while the outsole lasts, which is, sadly, not very long. I wore it
smooth under my toes in 3 weeks (12 hours) and under the balls of my feet in 4 weeks (17 hours). I will be exercising the
durability guarantee on these shortly. Other than the durability, though, no problems. It is a bit of a generous fit, but I haven't
experienced any problems, likely because I wear thicker socks like the Nike Tennis Crews and Elites. I recommend these to
anybody who is looking for a high-performance shoe with more comfort than the Vapor series and a little less court feel.
Comments: I usually wear a 2E shoe, which requires that I purchase New Balance tennis shoes. For me 2E is a little
on the large size but Ds are far too small. I have both a high arch and wider than average foot. This shoe is the best fitting tennis
shoe I have ever worn. I have only worn them about half a dozen times so I cannot speak to durability. However, they are really
comfortable and grip hard courts like no other (in my experience). So far I am really happy with my purchase and hope that these
shoes stick around for a while. I would recommend these shoes to those that do not quite fit into a D and are looking for a change
from New Balance.
Comments: The air max bubble cracked on my pair and then again on the next replacement pair. I wanted to love
these shoes but the heel does not have enough support and therefore the air max will pop with and force put on it. Purchase them
knowing you will most likely have to return/exchange them!
Comments: This shoe, for me, was really good, I liked how they fit and they also seem to be more durable and have
more cushion than the Nike Court Ballistec 4.1 I also used to have. However, I have the same issue as KK - the back air cells keep
breaking on me. The first pair I had replaced with the sole warranty, now the new shoes have the same issue. Let's see if they can
do something about it, apart from that the shoe is still in good condition.
Comments: It is no where near as similar to the Breathe Cages and the shoe itself feels clunky. Now although it is
comfortable out of the box, the shoe did not last me very long (less than 2 months). I nearly rolled my ankle a numerous amount
of times. The sole was not wide enough compared to the part that covered my feet. Vapors are much more stable, feel lighter, and
they are still comfortable
Comments: Had it for 4 weeks and both rear foot air cells broke at the seem. Otherwise great shoes, very
Comments: This shoe is wide everywhere. I had to go down a 1/2 size smaller and wear thicker socks. The length
is not that much longer than usual, so it probably would be impossible for me to size down further. The shoe is ok, my only
complaint is that it is a little bit loose on the heel. I tried lacing up to the last eyelet near the ankles. Other than that, the shoe
feels light and very flexible. It took a while for me to get used to the loose heel. Now I can run well in them.
Comments: Comfortable right out of the box. Unlike the Courtballistic, the forefoot is roomy. Typically, I wear a US
9 but I am wearing 8.5 in these. I highly recommended them! It is good to see Nike finally coming out with good shoes again.
Comments: Comfortable out of the box, which was my main reason for buying them. Enormous difference with
respect to the Barricade 7. Today I had my first play test with these shoes. Lightweight. I felt confident moving around, good plush
feeling on the heel. A little high off the ground, but I like it that way. The only downside was a couple of times my foot almost
slipped outside of the shoe but after stretching the lace system problem solved. I ordered my usual size and it fit well. I do not
think a half size smaller would work. They also seem durable.
Comments: This is an awesome shoe. I appreciate the wider toe box, stability, support, comfort, durability, and
great cosmetics. It is a game- enhancement shoe that fits my wider forefoot and has room for my orthotics. Sweet. Thank you TW
and Nike.
Comments: I have been a long time buyer of Ballistics but the toe box is too narrow these days. I have just come off
2 pairs of the Vapor 9, which are so comfy but the sole is thin. These shoes are my new favorite. Roomy and a great air sole. Just
the right amount of arch too. A tad more than the flat footed Vapors. I would recommend these shoes to anyone. Enjoy!
Comments:I wanted to share my thoughts about what a good tennis shoe this has proved to be. I have been
wearing Price and Head tennis shoes over the last four years and decided to try these based on my son's recommendation. He
wears and swears by the Nike Air Courtballistec 4.3 which are far too narrow for my foot. I read reviews that stated the Nike Cage
provided more room in the toe box so I gave them a try. I'm a 4.0 doubles player in my early fifties and comfort and stability are
my major concerns in a high quality shoe. These shoes are incredibly comfortable, you forget you even have shoes on during the
match which is the highest compliment possible. For my really wide foot, these are perfect and I hope they continue to make them
for a very long time. I've been wearing them for two months and they seem very durable also. I ordered my regular 9.5 USA size
and they fit fine. The six month warranty is a thing of beauty if they break down before then. Great Work Nike and thank you for
such a great all-around tennis shoe.
Comments: Out of the box comfort. Great stability and cushioning on court. Perfect blend of what I love about the
Vapors and the CBs. With a great look and a six month warranty you can't go wrong. Regarding going down a half size: I am a
true 12, so I bought a 12. I wear two pairs of socks and they fit good. If you already wear your shoes a little bigger, I would go
down a half size per TW's recommendation.
Comments: I have had these shoes for about a week now and they are amazing. Right out of the box they were
extremely comfortable with almost no break in time. The shoes are also insanely light, I was just wearing the Babolat Propulse 3's
and they are even lighter than those. Durability wise, I drag my toes heavily on both feet, but the shoe is performing just as the
CourtBallistec 4.3's, but with a lighter frame, so I would definitely recommend trying these out.
Comments: I hugely miss the 2k12 shoes. It happens over and over again with Nike; they change the design of a
great shoe. Over the years I wore the Vapors and they changed it, then the Ballistecs and they changed it, then I wore the 2k10
through 2k12 and now they eliminated them completely and the replacement (Cage) is junk. I didn't want to go to another brand,
but I had to. For those of you who are looking for a replacement for the 2k12, try the Asics Gel Resolution 5. For me they have
worked out great.
Comments: I actually bought these shoes at Dicks and it turns out they are alot cheaper on this site. It pissed me
off to see the price difference but you know you gotta learn your lessons. Anyway, these shoes are really comfy. Especially after
wearing Adidas barricade for so long. The bottom of my foot would rot of because those adidas shoes were so bad. Now that I
have these they are like house shoes on the tennis court, but I do slide in them alot and I've had them for about 2 weeks, but
other than that they are great so far.
Comments: Being a high school player, I slide a lot, but usually tear through Barricades in 3 months. I had these
shoes for 2 months and the outsole wore out quickly, but the comfort is really nice. Even when the grip was gone, I don't find
myself sliding as if I were to wear out other shoes.
Comments: This is 100+ hour review. FYI, the tread is completely gone, smooth as a bald dude's head. And, the
shoes are only 1 month old. As I said earlier, this shoe is roomy. As time passed, the plastic molding on the exterior of the
forefoot seemed to stretch, which makes the shoe even wider. Maybe suitable for wider feet, but not for me. Also having to wear
two pairs of socks, I have found the shoes stretched even further. Rolled my ankle a number of times. Next remedy was to wear 3
pairs of socks and ankle support. I imagine I will be calling Nike soon for the warranty replacement. Unfortunately, I would not
want this pair even as a free replacement.
Comments: I really dislike these shoes. I would say the Ballistec 4.3 is a far superior of a shoe if comparing shoes
with 6 month warranty. If you're looking for comfort and don't mind spending $130 with no return, the Zoom Vapor has superior
comfort to both. As for the Air Max Cage, the heel wore out faster than the forefoot. I was very displeased with the plastic top
piece. The more you break the shoes in, the fit continues to get wider. You end up having to lace the shoe tighter and the cage
starts to dig into your foot. Not a big fan. My advice is to spend the extra money for the Ballistec's - better comfort, performance,
and durability.
Comments: I have to say I love this shoe. Before this shoe I had the Nike 2k10's and i thought they were the best
but now there is no comparison. It is a very stable and super quick shoe for getting to the ball while keeping you comfortable.
They fit to size and are again the best shoe ever!
Comments: I just bought a pair of these, coming strictly from wearing the Barricades for over three years. These Air
Max Cage shoes are roomier than the Barricades, with a higher heel while tapering lower towards the toe box. I have slightly wide
feet, so they happen to fit perfectly for me (though I don't understand how anyone can knock on shoes that just dont suit their
feet, if the shoes don't properly fit then they aren't for your feet!) I wore them straight to the courts and played five sets of
doubles. Took about half an hour or less of movement to finally break-in, and the initial discomfort was gone. After nearly 3
hours of tennis, my feet didn't ache like how they did in my broken-in Barricades. They do run a bit longer, but I stuck with my
regular size. One thing that I noticed about the shoes while walking was that the support around my ankles would flex outwards
and away from my ankles as I would walk forwards. It looked and felt as though the shoe was peeling/pulling away from my feet,
though I didn't have any stability issues while playing. I also chose to lace up from the lowest shoe string holes at the ankles. They
didn't squeak as much as the Barricades, and the lateral support was spot on without having that harsh stabbing feeling I got with
the shoulders from the Barricades. I played some spirited tennis tonight and my feet don't feel beat up and in my opinion, these
shoes have made me a big fan of Nike over my love for the Barricades and I've always disliked Nike shoes (especially the Vapors
from 2007). I am one happy camper with these shoes and just wanted to say thank you to Nike for one-upping my favorite shoes
of three long years. Good bye Barricades.
Comments: This is a 20 hour later review. My first review of the shoes states that the shoes fit wide, too roomy and
lack secure footing for quick movement. After wearing two pairs of socks and adding a pair of thicker insoles, these shoes are
slightly improved. Still, it does not have a quick, low to the ground feel. But it is a trade off for the cushion and durability. For
now I only consider these as practice shoes and use Vapor 9s for match play. We shall see how popular this is amongst the pros
in the future. But if its good enough for Delpo, it should be good enough for us mere mortals. I wonder what customization Nike
has done for him? In its raw format, its not hot.
Comments: Comfortable. Durable. Good plush ride. Not unpleasant looking if you are playing tennis stationary or
using the ball machine. But if you have to move fast, all of that goes out the window. The shoes fits wide! Too roomy for my
medium width feet, despite having ordered a 1/2 size down. I find myself feeling unsure about any of my movement at all. The
next remedy I will try is wearing them with 2 pairs of socks. If that doesn't work, I will go back to the Vapor 9s, the super shoes
with crappy outsoles. Or maybe try the Asics Resolution 4s or 5s?
Comments: Excellent shoe! Had them on during a few tennis cardio sessions and my feet and legs felt great
afterwards. I recommend these shoes!
Comments: I must say I'm very disappointed in these shoes. Even though these shoes are light weight, the Air Max
Cage makes me feel like I'm wearing a pair of concrete blocks. This shoe has no flex at all! In fact, these shoes scare me. The
outsole is so stff and grippy I can't move on the court with any confidence. I feel like I'm going to fall. For years I was unable to
find a Nike Tennis Shoe that fit correctly until I tried the Nike Zoom Breathe 2K10. For me, the Zoom Breathe 2K10 was the
ultimate Tennis Shoe. Nike, please bring the 2K10 back in its original form. While I like the looks of the Air Max Cage Grey/Black
I won't play in them.
Comments: I have to agree with Matt. Definitely not a fan. Really disappointing, especially it was said to be 'like the
Breathe Free II'. NOT even close. The original Breathe Free II was THE BEST! Everything that Nike has produced to follow the
Breathe Free II has been either horrible or mediocre ar best. I still have a pair of Breathe 2K12's in my closet that I wore 3 times.
They are stiff and uncomfortable. It amazes me that they were still making the Breathe Free II's for the women for years but
stopped production for the Men. Li Na is still wearing that shoe. I know I am not the only fan of the original BF2's. Bring'em back
Comments: These shoes were amazing. I could get to all of the balls and slide a lot in them. 6 out of 5 for me.
Comments: So far not a big fan of this shoe. I have owned previous versions. Though lighter, the shoe is wider
and feels unstable. The size 14 feels a bit bigger than normal and I just don't feel that my foot fits in the shoe properly. I've worn
them for about 8 hours and still just not a huge fan.
Comments: I like my tennis shoes tight and so I ordered a 9.5 instead of my usual 10. The length is barely enough,
and it feels like the ball of my foot doesn't line up quite right. Hopefully my orthodics and a couple more hours of break-in will
fix that. Other than that I do like the shoe a lot, as it fits and feels like the old legendary Breathe Cage, especially in the toe box.
Improvements would be the uppers which are very similar to the Breath Free 2K10's, they are extremely light like the Vapor, and
the traction is deep with some give like the Ballistics. These shoes have sweet cosmetics and the pictures don't do them justice as
they look really sporty on the foot, and the Air Max across the back makes them very unique. I agree with Rye that these shoes
feel like a hybrid of previous Nike models. Great shoe.
Comments: Very comfortable shoes with about a 15 minute break in period. I've had many pairs of Vapors and
Court Ballistecs and these almost seem like a hybrid of those two shoes. They do run a tad large but I bought the size I usually do
and they fit fine. I don't think it would be possible for me to go down a half size.
Comments: This is a great shoe. It's an exact cross of my favorite shoe, the Vapor 9 Tours, and the Ballistec 4.3's,
meaning it has a comfy running shoe feel, but it's also very sturdy and durable. The Vapors lack a little bit of sturdiness and
don't last as long as I'd like being a club player, and the CB 4.3 are too bulky and sturdy. So this shoe is a perfect compromise.
perfect morph of the two best selling Nike shoes. Great job. Ventilation is nice as well. This is my new shoe of choice. And
you I love the Vapors, but the soles are not durable or as cushioned as these. But the Vapors have the most comfy feel all around.
So I'm going to rate these the same as the Vapors. They both get a 4 out of 5 stars from me. Great job Nike.
- Where to go from here | ||||
Related Categories | Similar/Competing Products | Other items to consider | |


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subset: commoncrawl


text:
This makes me think of the differences between facebook and google. At Facebook, one had checked in code his first day there, and it was pushed to the live site on the next day. At google, employees make incremental changes to existing complex systems to improve stability, performance, or add minor features.Consequently,google has made some wonderful products (e.g.,chrome browser,android,map,etc.) but the developers in background is somewhat neglected,facebook has less sucessful products but get deverlopers' preference. Similarly, freetime-contributors unconsciously prefer to implement new features rather than fix old bugs. Because people like to hear compliments, longing to be recognized,feel appreciated person especially for those contributors without being paid and working on the user-interface parts of applications will help them to achieve those more easily.Therefore,working on the non-user-interface parts of applications is not something that most freetime-contributors are striving for though it is so important.He goes on to explain how the user interfaces are becoming simpler while the functionality of the applications are increasing without an effective UI, increasing complexity of non-UI elements of applications, etc. "Working on the non-user-interface parts of applications can be challenging and this is not something that most freetime-contributors are striving for. But if there are not enough contributors for the complex stuff behind the scenes and if no company is willing to invest fulltime-developers to work on this... - well then we are losing ground. And even if Gnome seems to get more support from companies, I don't see a big difference to KDE here.
I hope he (Peter Penz) realises there are people that use KDE and appreciate it. I for one. I wont be changing to another desktop environment any time soon.
I can understand where he's coming from and the problem lay in lack of management.
Open source software needs Figures that pull project in different directions. Mark Shuttleworth is a prime example of this. He has swayed Debian and Gnome, images to his design and form, and made a success of it. Someone simply needs to do that with KDE, or even an OS with custom version of KDE. Peter Penz maybe you can step up to a new KDE mirror project? Become a star of the Linux stage.
Regarding new UI, well the direction is touch screen and projection interaction, interfaces. How applications talk between each other and interoperate metadata and general data, is another innovative area. I thought KDE was moving in these fields? Can Peter be more specific with what's lacking?
Canonical should hire Martin Gräßlin and let him work on Compiz. Compiz is already getting a lot better now thanks to the work of Daniel Van Vugt and others.
There's a lot about KDE that I think is the best of all DEs, but there's also a lot about it that is very unappealing. Thankfully, most of what is unappealing about it can be disabled or avoided entirely if you just spend the time to mess with it. Dolphin is actually one of my favorite aspects about KDE and it is definitely my favorite file browser on any OS. For people who complain about KDE's glitchyness, use the latest releases - they tend to fix a lot. KDE is one of the only group of packages where you should use the bleeding edge releases. They tend to release more bugfixes and translation updates than anything.
My gripes with KDE is:
* I'd like to remove the plasmoid icons from panels and the desktop
* It is extremely slow to start up the desktop
* The System Settings program could be a little better organized
* Nepomuk should not be integrated to the point where you can't remove it
* While KDE has the most accessible features, it doesn't seem to be the best in anything; its kind of a jack-of-all-trades.
Today, it seems like KDE's unpopularity is due to it's wildly negative first impression from versions 4.3 and earlier. Those versions were terrible and I myself absolutely hated it at that time, but now KDE (along with LXDE) are my favorites.
I wonder if this developer will decide to go for that other Qt based DE, I forget what its called but it basically seems like a really stripped down KDE.
KDE people took on too much. They have great ideas, but not ennough manpower. Akonadi, nepomuk, plasma. All great concepts, of which a good implementation is extremely hard. Nepomuk has mostly been a one man show, AFAIK akonadi has 5 people behind it (who are also expected to take care of applications). I love kde for all the great ideas that are there, and am willing to put up with microbugs.
In kde there are always hundreds of things happening at once (Frameworks, QT5, finishing akonadi, nepomuk, wayland in kwin, qtquick2...), no wonder they're always chasing something...
IMO another thing that happened is that way too much effort is going into user interfaces (don't get me wrong, I acknowledge their importance). It's easier to become an UX developer than a behind the scenes dev, if only for the satisfaction of being able to see the result...
I really have to go against that. From time to time i also do some bug triaging on KDE (recently on plasma) and that helped fix a few, close a few invalid ones and more overall progress in those areas. The people doing bug triaging are certainly not people who don't give a shit about KDE. Why would they do bughunting if your statement is true.
What a Trollish headline.


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Difference between revisions of "Creating an Automated Installation with pc-sysinstall/9.2"
Drulavigne (Talk | contribs) (→Determine Which Variables you Wish to Customize) |
m (changed "back" (please take a lock at PC-BSD Wiki:Style Guidelines#Collation#Ordinal)) |
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To create a custom installation, perform the following steps: | To create a custom installation, perform the following steps: | ||
− | + | # [[#Determine which variables you wish to customize|Determine which variables you wish to customize]].
 | |
− | + | # [[#Create a customized configuration|Create a customized configuration]].
 | |
− | + | # [[#Create a custom installation media|Create a custom installation media]].
 | |
− | + | ||
− | + | ||
These steps are discussed in more detail below. | These steps are discussed in more detail below. |
Revision as of 10:55, 9 November 2012
(Sorry for the inconvenience)
PC-BSD® provides a set of Bourne shell scripts that allow advanced users to create automatic or customized PC-BSD® installations. pc-sysinstall is the name of the master script; it reads a customizable configuration file and uses dozens of backend scripts to perform the installation. You can read more about this utility by typing man pc-sysinstall.
Here is a quick overview of the components used by pc-sysinstall:
- /usr/share/pc-sysinstall/backend/ contains the scripts used by the PC-BSD® installer. Scripts have been divided by function, such as functions-bsdlabel.sh and functions-installcomponents.sh. If you have ever wondered how the PC-BSD® installer works, read through these scripts. This directory also contains the parseconfig.sh and startautoinstall.sh scripts which pc-sysinstall uses to parse the configuration file and begin the installation.
- /usr/share/pc-sysinstall/backend-partmanager/ contains the scripts which are used by the installer to create and delete partitions.
- /usr/share/pc-sysinstall/backend-query/ contains the scripts which are used by the installer to detect (e.g. detect-nics.sh) and configure (e.g. enable-net.sh) hardware.
- /usr/share/pc-sysinstall/components/ contains FreeBSD ports and src and the PBIs for chromium, firefox, opera, and thunderbird.
- /usr/share/pc-sysinstall/conf/ contains the configuration file pc-sysinstall.conf. It also contains a file indicating which localizations are available (avail-langs), a list of files which are not touched during an upgrade (exclude-from-upgrade), and a license/ subdirectory containing text files of applicable licenses (e.g. bsd-en.txt and nvidia-en.txt).
- /usr/share/pc-sysinstall/doc/ contains the help text that is seen if you run pc-sysinstall without any arguments.
- /usr/share/examples/pc-sysinstall/ contains several example configuration files for different scenarios (e.g. upgrade, fbsd-netinstall). The README file in this directory should be considered as mandatory reading before using pc-sysinstall.
- /usr/sbin/pc-sysinstall this is the script that is used to perform a customized installation.
To create a custom installation, perform the following steps:
- Determine which variables you wish to customize.
- Create a customized configuration.
- Create a custom installation media.
These steps are discussed in more detail below.
Determine Which Variables you Wish to Customize
A list of possible variables can be found in /usr/share/examples/pc-sysinstall/README and in Table 5.4a. Note that the Table is meant as a quick reference to determine which variables are available. The README file contains more complete descriptions for each variable.
Table 5.4a: Available Variables for Customizing a PC-BSD® Installation
Create a Customized Configuration
One way to create this file is to read through the configuration examples in /usr/share/examples/pc-sysinstall/ to find the one that most closely matches your needs. Copy that file (to any location) and customize it so that it includes the variables and values you would like to use in your installation.
An alternate way to create this file is to perform an installation of the version that you wish to customize. The installer will automatically create a file containing the settings you selected during the installation to /root/pc-sysinstall.cfg. You can use that configuration file as-is, or customize it to meet an installation's needs. This method may prove easier to use if you are performing complex disk layouts.
Here is a sample configuration:
# Sample configuration file for an installation using pc-sysinstall installMode=fresh installInteractive=no hostname=myhost.mydomain.com # Set the disk parameters - 1st disk disk0=da0 partition=all bootManager=none commitDiskPart # Set the disk parameters - 2nd disk disk1=da1 partition=all bootManager=none commitDiskPart # Setup the disk label - 1st disk # All sizes are expressed in MB # Avail FS Types, UFS, UFS+S, UFS+J, ZFS, SWAP disk0-part=UFS+S 1024 / disk0-part=SWAP.eli 2048 none disk0-part=UFS+S 1024 /tmp disk0-part=UFS+S 1024 /var disk0-part=UFS+S 0 /usr # Size 0 means use the rest of the slice size # Do it now! commitDiskLabel # Setup the disk label - 2nd disk # All sizes are expressed in MB # Avail FS Types, UFS, UFS+S, UFS+J, ZFS, SWAP disk1-part=UFS+S 1024 /usr/src disk1-part=UFS+S 4096 /usr/local disk1-part=UFS+S 0 /usr/ports # Size 0 means use the rest of the slice size # Do it now! commitDiskLabel netDev=em1 netIP=172.16.80.250 netMask=255.255.240.0 netNameServer=172.16.80.1 netDefaultRouter=172.16.80.1 netSaveDev=em0 em1 netSaveIP_em0=192.168.101.42 netSaveIP_em1=172.16.80.156 netSaveMask_em0=255.255.252.0 netSaveMask_em1=255.255.240.0 netSaveNameServer=172.16.80.1 netSaveDefaultRouter=192.168.100.1 # Set if we are installing via optical, USB, or FTP installType=FreeBSD installMedium=ftp ftpPath=http://pkgbuilder.mydomain.com/images/freebsd/8.2/ packageType=tar # List our components to install #installComponents=ports,src # Set the root pass rootPass=root # Setup our users userName=demo userComment=Demo User userPass=demo userShell=/bin/sh userHome=/home/demo commitUser # Set up date/time runCommand=cp /usr/share/zoneinfo/EST5EDT /etc/localtime runCommand=touch /etc/wall_cmos_clock runCommand=adjkerntz -a # Install packages required for VMware Tools installation/configuration runCommand=pkg_add -r compat6x-amd64 runCommand=pkg_add -r perl runCommand=pkg_add -r pcre runCommand=pkg_add -r puppet runCommand=pkg_add -r sysrc # Fetch/install VMware Tools runCommand=fetch -o /tmp/vmtools.tar.gz http://pkgbuilder.mydomain.com/images/freebsd/vmware-freebsd-tools.tar.gz runCommand=zcat /tmp/vmtools.tar.gz | tar -C /tmp -xvf - runCommand=/tmp/vmware-tools-distrib/vmware-install.pl -d runCommand=rm -rf /tmp/vmware-tools-distrib runCommand=/usr/local/sbin/sysrc puppet_enable=YES # Generate the certificate to be signed by the master runCommand=/usr/local/bin/puppet agent -t
If you wish to perform a fully-automated installation that does not prompt for any user input, you will also need to review /usr/share/examples/pc-sysinstall/pc-autoinstall.conf and place a customized copy of that file into /boot/pc-autoinstall.conf on your installation media.
Table 5.5b summarizes the additional variables that are available for fully automatic installations. More detailed descriptions can be found in the /usr/share/examples/pc-sysinstall/pc-autoinstall.conf file. Note that the variables in this file use a different syntax than those in Table 5.5a, in that the values follow a colon and a space rather than an equal sign.
Table 5.5b.: Additional Variables for Automated Installations
pc_config | URL or /path/to/file | location of customized pc-sysinstall.conf |
confirm_install | yes or no | should be set to yes, otherwise booting the wrong disk will result in a system wipe |
shutdown_cmd | e.g. shutdown -p now | good idea to run a shutdown, but can be any command/script you wish to execute post-install |
nic_config | dhcp-all or <interface name> <IP address> <subnet mask> | will attempt dhcp on all found NICs until the installation file can be fetched or will setup specified interface |
nic_dns | IP address | DNS server to use |
nic_gateway | IP address | default gateway to use |
Here is a ample pc-autoinstall.conf file:
# pc-autoinstall.conf example # # Usage: Modify these variables, and copy the file to # /boot/pc-autoinstall.conf on your PC-BSD installation medium # # The conf will then be read at bootup, and your automated # install will take place ################################################################## # Where the pc-sysinstall main config is located # Can be either a file on the booted CD / DVD / USB media, # or a remote file on http / ftp # # The value %%NIC_MAC%% is special, and will be substituted with # the macaddress of the enabled NIC from DHCP or manually set # with 'nic_config:' ################################################################## # Examples: # pc_config: ftp://192.168.0.2/cust-install.cfg # pc_config: http://192.168.0.2/cust-install.cfg # pc_config: http://192.168.0.2/%%NIC_MAC%%.cfg # pc_config: /boot/cust-install.cfg pc_config: http://pkgbuilder.mydomain.com/images/freebsd/pc-sysinstall.cfg # Set this to yes if we should confirm before doing an install # This should normally be set to yes, otherwise booting the wrong # disk will result in a system wipe confirm_install: no # Set the command to run post-install, usually best to run shutdown # but this can be replaced with any other command / script you wish # to execute post-install shutdown_cmd: shutdown -r now # Options for the network setup, should the cfg need to be fetched # from a remote location, only necessary when using ftp or http ################################################################## # Special option, will attempt dhcp on all found NICs # until the file can be fetched, or we run out of interfaces # nic_config: dhcp-all # Line to be passed to the "ifconfig" command to bring up an interface nic_config: em1 172.16.80.250 255.255.240.0 # DNS server to use nic_dns: 172.16.80.1 # Default router / gateway nic_gateway: 172.16.80.1
Create a Custom Installation Media or Installation Server
pc-sysinstall supports the following installation methods:
- from a CD, DVD, or USB media
- from an installation directory on an HTTP, FTP, SSH+rsync, or a PXE Boot Install server
The easiest way to create a custom installation media is to modify an existing installation image. For example, if you have downloaded an ISO for the PC-BSD® version that you wish to customize, the superuser can access the contents of the ISO as follows:
mdconfig -a -t vnode -f PCBSD9.0-x86-DVD.iso -u 1 mount -t cd9660 /dev/md1 /mnt
Make sure you have cd 'd into a directory where you would like to copy the contents of the ISO. In the following examples, /tmp/custominstall/ was created for this purpose:
cd /tmp/custominstall tar -C /mnt -cf - . | tar -xvf - umount /mnt
Alternately, if you have inserted an installation CD or DVD, you can mount the media and copy its contents to your desired directory:
mount -t cd9660 /dev/cd0 /mnt cp -R /mnt/* /tmp/custominstall/ umount /mnt
If you are creating an automated installation, copy your customized pc-autoinstall.conf to /tmp/custominstall/boot/.
Copy your customized configuration file to /tmp/custominstall/. Double-check that the "installMedium=" variable in your customized configuration file is set to the type of media that you will be installing from.
You may also need to add some extra files if you set the following variables in your custom configuration file:
- installComponents= make sure that any extra components you wish to install exist in extras/PBI/ (if they end in the .pbi extension) or extras/components/ (if they end in .tbz)
- runCommand= make sure the command exists in the specified path
- runScript= make sure the script exists in the specified path
- runExtCommand= make sure the command exists in the specified path
If the installation media is a CD or DVD, you will need to create a bootable media that contains the files in your directory. To create a bootable ISO:
cd /tmp/custominstall mkisofs -V mycustominstall -J -R -b boot/cdboot -no-emul-boot -o myinstall.iso
You can then use your favorite burning utility to burn the ISO to the media.
To begin an installation that requires user interaction:
pc-sysinstall -c /path_to_your_config_file
To begin a fully automated installation, insert the installation media and reboot.
If you are using an HTTP, FTP, or SSH server as the installation media, untar or copy the required files to a directory on the server that is accessible to users. Be sure to configure the server so that the installation files are accessible to the systems that you wish to install. If you are using a PXE Boot Install server, follow the instructions at Connecting to and Customizing the PXE Boot Install Server.


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Top Definition
a little hottie with a body. short with dark hair this girl is a frisky young tigger. with the looks to kill this girl is the next plastic struting her stuff down the hall.
damn that mela is hot, ohh shit son isn't she going out with that ghetto drew.
by carl benchwacker
April 04, 2005
5 more definitions
Nickname for Maltese people from the island of Malta in the Mediterranean, due to them saying "mela" in just about every sentence. Used to mean various different things such as "of course", "ok", and "alright"; or just a filler in a sentence instead of "umm". Often repeated before or after the english word of the exact same meaning.
Answer to question - "Of course, mela, alright"
"The bus is here, mela"
"The bus is here, mela"
by Raemantis
April 24, 2009
Cute asian girl with long black hair. Is fun to be around and is also a nerd when it comes down to school. She makes the funniest jokes and can make people laugh like no tomorrow. Mela's are amazing and they are easy to talk to and easy to get along!!!
That Mela is SOOOO smart
When Mela walked past me, I smiled.
That Mela is soooo cute!
Mela's hair is so silky
When Mela walked past me, I smiled.
That Mela is soooo cute!
Mela's hair is so silky
by cutiecake.x3
June 16, 2011
Being in the Los Angeles area.
Yo where you at? Me La. Ohh you La. Shut UP.
by Lamberto
March 19, 2008
Cute little asian with the cutest laugh in the world. She can make your day instantly. Smart and frisky.
by TeddybearRawrr
January 10, 2012


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Ice conditions unsafe on parts of Winnipesaukee
Fish and Game is urging those heading out onto the ice to exercise caution as they do so. A large number of anglers are expected to head out onto the state's lakes and ponds this weekend to participate in the Meredith Rotary Ice Fishing Derby. A recent aerial survey of Lake Winnipesaukee by the N.H. Civil Air Patrol revealed treacherous ice conditions on some parts of the big lake, including an area of open water near Welch Island.
"Caution is in order for those going out onto the ice, especially on the large lakes," said Fish and Game Lt. James Goss. "Don't let the cold temperatures fool you - some areas that have traditionally been safe for ice anglers and other outdoor recreationists are not safe this year. We are urging people to check the ice thickness for yourself before you go out onto any frozen waterbody."
Because of the unpredictable ice conditions, it is not advisable to drive vehicles onto the ice, Goss said.


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Teaching Activities
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showing only American Studies Show all SubjectSustainability Content
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Learning Sustainability with Sim City part of Activities
Sybil Hill
Sim City is a computer game that has the player design a city. They become the mayor. While designing the city from ground, they can choose sustainaiblity energy options such as wind farms, geothermal, and solar. The game includes greening options and pollution factors. Teachers in a variety of disciplines can utilize this to bring their core course concepts to life.


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As a SharePoint 2010 developer, I have come across various requirements from clients on connecting to external data sources e.g. Direct Connectivity to Database, Windows Communication Service (WCF) and External .NET type from a SharePoint Web Site. By considering its need in portal development, I decided to pen down my thoughts on this topic. This article is a result of the same.
Practically there are many scenarios when a SharePoint site needs to connect to an external system which stores data inside it. E.g. A Payroll system which calculates salary of the Employee in the organization wants to communicate with a Leave Management and Processing portal for calculating total leaves of Employee. To do this in SharePoint 2010, we have been provided with a facility of integrating external data provided by Database, WCF and Web Services and .NET assemblies.
In this article, I have explained the mechanism of integrating with external data provided by Sql Server Database. For this article I have used a sample 'Customer' Table in the 'Company' Database:
For this article, I already have a Team Site on address 'http://MyServer/sites/ss'. (Note: You can follow all these steps on the site created by you.) To follow my steps, I recommend you to create a Company Database in SQL Server and create the Customer table shown above in this database.
Step 1: Browse the site created by you > Select 'Site Actions' and select 'Edit in SharePoint Designer'. This will start the SharePoint Designer.
Step 2: SharePoint 2010 Designer now shows the Site Information. From the left side pane, select 'External Content Types' as below:
This step will retrieve the External Content type.
Step 3: To create a new 'External Content Type', click on 'External Content Type' in the Top left corner of the Ribbon as below:
This will show the window from where you can set the External Content Type Information. Here in this window, you can set the following Information:
1. Name of the External Content Type Information
2. External Content Operations: This is used to define Operations which can be performed on the External Data Source e.g. Create, ReadList, ReadItem, Update and Delete etc.
Step 4: Set the External Content Type information as below:
Now Click on the 'Click Here to discover external Data sources and define operations ' as shown above, you will get the following window using which you can add connections to external content type:
Click on 'Add Connection'. You will see a window using which you can select 'External Data Source type' > Select Sql Server as below:
After clicking OK, you will be asked to enter Database information as shown below:
Click on 'OK' and you will get the Database Connection in Data Source Explorer. Expand it and locate the 'Customer' table as shown below:
In this step, you have completed the Connection part.
Step 5: Now after establishing the connection withan External Data Source, it's time for us to define possible operations on the Data Source. So right click on 'Customer' and select all Operations from the Context menu as shown below:
The above image shows self-describing operation types. After selecting 'Create All Operations', the wizard will start as shown below. Please read the Instructions.
Click on 'Next'. The next window will show the Parameter Configuration as shown below. Note: Here you can ignore the Warnings.
Click on 'Next'. Here it is optional for you to set filter parameters which allows you to set the size of the result set. Click on 'Finish'. The following operations will get generated as shown below:
Step 6: Once it is done, click on the 'Save' button on the top-lfet.
Step 7: Now to create the List, click on 'Create List & Form' button on the Ribbon
After clicking on 'Create List & Form', you will see a form where you can enter List name and other information as shown below. If you want to create an InfoPath form, you can check the CheckBox 'Create InfoPath Form'
Step 8: Now go back to the Web Site and Refresh. You will see the 'CustomerInfoList' in the Quick Launch window as shown below:
Step 9: Click on the 'CustomerInfoList' and you will get the following result:
You must be wondering why did this happen? What does the error 'Access denied by Business Data Connectivity' mean? The reason for this error is that, BCS is an external web service which is hosted on IIS and to establish connectivity between the Service Hosted on IIS and a database, an explicit authorization is required. So now we need to do some configuration here.
Step 10: Open SharePoint 2010 Central Administration and Select Application Management. From 'Application Management' > select 'Service Applications' and click on 'Manage Service Applications'. You will get a list all the services which are running. From this page, click on 'Business Data Connectivity Service' > you will get 'Service Application Information' as shown below:
Step 11: Select the 'CustomerListInfo' and click on 'Set Object Permissions' from the Ribbon. You will get a window for Setting Object Permissions. Add the user info as shown below:
Click 'OK'
Step 12: Now go back to your site and click on the CustomerInfoList from Quick Launch. You will get the following result:
From here, you can perform 'Create', 'Update', 'Delete' and 'Read' operations.
Conclusion: With the External Content Types feature provided in SharePoint 2010, communication between two systems can be achieved easily. By using SQL Server as Data Source, you can minimize writing explicit code for database connectivity. In cases where you have a local database available with you, you can use the SharePoint 2010 portal directly to perform CRUD operations with your data source.


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Sorry, there are no stats to view for this sport.
Pima Community College
Stats are not available for this sport and season.
2202 W. Anklam Rd. Tucson AZ 85709-0285 PH: 520-206-7222 FX: 520-206-6799 www.pima.edu President Lee Lambert Athletic Director Edgar Soto Athletic Trainer Scott Horton Athletic Trainer April Jessee Athletic Trainer Akira Kondo Sports Information Director Raymond Suarez General email firstname.lastname@example.com Region 1 FTE Enrollment 61925 |


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Top Definition
A close cousin to bed head, manga hair refers to unbrushed/uncombed hair that has been dyed or striped with "unnatural" colors such as green, blue, hot pink, etc., like many characters in Japanese manga and its accompanied wild hair-dos
I told the guy that was coming to fix the disposal 'I work nights, please come in the afternoon.', and he even makes a note of it. Seven a.m., there's this pounding on the door, I figure at that hour either the place is on fire or it's the five-oh looking for an axe murderer or something. So I throw on my robe and hurry in there, ratty pajamas, no make-up, manga hair from Hell, and it's that damn idiot to fix the disposal! I coulda strangled the dude
dari bIrqul & cousin Ridickulishus
Senin, 25 Juli 2011


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To inquire about our services in these areas, you may reach us at +1 281.759.3600 and email@example.com


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Reviews & Community
What do you think of the
Selle Italia SLR Kit Carbonio Flow Saddle
? Share a...
Are the rails on this model 7mm round or oval?
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Selle Italia SLR Kit Carbonio Flow Saddle $329.99
Selle Italia's SLR shape has become one of the popular saddle shapes in all of cycling. Its versatility supports riders of all shapes and sizes. With the anatomically-driven SLR Kit Carbonio Flow Saddle, Selle Italia takes this classic one step further.
This saddle features the same 131mm width and 275mm length as the SLR Tekno. This makes it an ideal match for those with average width sit bones. However, where the Kit Carbonio Flow begins to differ is both obvious and not-so-obvious. Starting with the 'Flow' designation, you'll notice that this saddle has a moderately sized cutout in order to relieve pressure on the perineal artery and adjacent soft tissue. As a result, that pressure is directed to your sit bones (ischial tuberosity), which are far more adept at supporting your body weight. Additionally, they're able to do so without causing numbness during long rides. This principle is further supported by the wide cut out, as it removes pressure from the pudendal nerve which can cause pain and numbness when continuous pressure is applied.
The Kit Carbonio also differs from the rest of the SLR line in its padding. It's a little less dense than the Team Edition, but thicker than the Tekno. However, it's nowhere near as dense as anything in the Flite or SLS families. And along with a modest amount of padding, the saddle has been wrapped with a hard-wearing and non-abrasive Lorica cover.
The SLR Kit Carbonio is supported by Selle Italia's carbon fiber rails. This feature assists in maintaining a low overall weight, but it also reduces and dissipates road vibration and trail chatter. And speaking of weight, at around 120 grams, this saddle approaches the 100% carbon fiber SLR Tekno. This is quite an undertaking considering the Carbonio features a 70/30% nylon/carbon fiber shell construction.
The Selle Italia SLR Kit Carbonio Flow Saddle is available in a 131x275mm size and in the colors White and Black.
Are the rails on this model 7mm round or oval?


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When it comes to designing diets, knowing the basics of how horses digest food is half the battle. It's important to consider each horse's energy requirements before developing a feeding schedule.
To continue reading this article, become a member of TheHorse.com.
It's FREE and you'll get full access to more than 20,000 articles, video, free reports & more.


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July 21, 2008
42 comments:
- Sharon - Mom GenerationsJuly 21, 2008 10:31 AM
Your little girl is REALLY looking like a girl!!!!
My son and daughter-in-law are waiting for an any-minute-now baby... but they have not found out the gender. I have been saying "girl" since the beginning, and after seeing this 31 week photo of you, I am saying GIRL all the way for them too! Can't wait to announce the arrival!
Happy your trip was so wonderful! - AshleyJuly 21, 2008 5:15 PM
I check out your blog everyday (I found you from my friend's blog Metropolitan Mama) but I seldom comment, which I should do more of...Anyway, you are such a doll and you make me remember how fun it is to be preggo!!
ReplyDelete You are beautiful! I can't wait for her to get here, to hear her name and to hear her birth story... I am now contemplating a home birth, thanks. :)
I loved your blog about loving your kids more than your sunglasses. I'm so glad you're so willing to admit you're so human and so real! Thanks for your candidness and for putting it so eloquently. (and sorry I'm so lazy that I can't just find it and post a comment there.) :P


text: Save The Event For Later Queen City Wheels - Team Clothing Cincinnati, OH, Mon Feb 10 - Thu Dec 31, 2015 Who's Registered? | Contact Event | Event Website | Google Calendar Start line address: Cincinnati, OH 45242 Presented by Cincinnati's Premier Racing Club Since 1972 Online Registration Deadline: Sunday, Dec 20, 2015 at 5:00 PM ET Tweet Select Your Category Membership Type Fee Notes Event Items Team QCW Bib ShortsProduced by Champion System, these are their Custom Bib Shorts. More information about these shorts is available at: http://champ-sys.com/custom-bib-shorts.html NOTE: Women purchasing men's shorts should get 1 size smaller, i.e. men's large = women's XL. Options Quantity Price Each Child's L x $55.00 Child's XL x $55.00 Women's Small x $55.00 Women's Medium x $55.00 Women's Large x $55.00 Men's XS (Women's S) x $55.00 Men's S (Women's M) x $55.00 Men's M (Women's L) x $55.00 Men's L (Women's XL) x $55.00 Men's XL (Women's 2XL) x $55.00 Men's 2XL (Women's 3XL) x $55.00 Men's 3XL (Women's 4XL) x $55.00 Women's Xsmall x $55.00 Team QCW JerseyProduced by Champion System, this is either their Custom CS Tech or Custom CS AirLite short sleeve jersey. $40 jersey is the "Tech" More information about this jersey is available at: http://champ-sys.com/custom/cycling/jerseys/custom-short-sleeve-jersey.html#.UZZQL0qnf74 $45 jersey is the "AirLite". More information about this jersey is available at: http://champ-sys.com/custom/cycling/jerseys/cs-custom-airlite-short-sleeve-jersey.html NOTE: Jersey sizing is "race cut." Options Quantity Price Each Mens Race Cut XS x $40.00 Men's Race Cut S x $40.00 Men's Race Cut M x $40.00 Men's Race Cut L x $40.00 Men's Race Cut XL x $40.00 Men's Race Cut 2XL x $40.00 Men's Race Cut 3XL x $40.00 Women's XS x $40.00 Women's S x $40.00 Women's M x $40.00 Women's L x $40.00 Women's XL x $40.00 Women's 2XL x $40.00 Women's 3XL x $40.00 Child's L x $40.00 Child's XL x $40.00 Team QCW Jersey Club CutProduced by ChampionSystem, this is their CS Air Pro Short Sleeve Jersey. This jersey normally sells for $13 more than our standard kit. The Club Cut is a somewhat more relaxed fit. More info: http://champ-sys.com/custom/cycling/jerseys/cs-air-pro-cycling-jersey.html Limited availability, will NOT be restocked when sold out. Options Quantity Price Each Mens Club Cut X-Large x $40.00 Team QCW GlovesProduced by Champion System, these are their Custom Summer Cycling Gloves. For more information about these gloves go to: http://champ-sys.com/custom-cycling-gloves.html Limited availability, will NOT be restocked when sold out. Options Quantity Price Each closed Medium x $17.00 Small x $17.00 Team QCW SocksProduced by Champion System, these are their 2" Custom Socks. For more information go to: http://champ-sys.com/cycling/cycling-collection/accessories/socks/custom-cycling-socks.html Options Quantity Price Each Small x $5.00 closed Medium x $5.00 X-Large x $5.00 Team QCW HelmetBell's Gage helmet in Team QCW colors. http://www.bellhelmets.com/cycling/helmets/pavement/gage NOTE: This item CANNOT be picked up at Montgomery Cyclery. You will be sent an email instructing you to contact Jeff Seeley for order fulfillment. Options Quantity Price Each Medium USAC licensed riders only (special arrangements for fulfillment) x $35.00 closed Large USAC licensed riders only (special arrangements for fulfillment) x $35.00 Medium UNLICENSED riders price (special arrangements for fulfillment) x $90.00 Team QCW Speed Shoe CoversProduced by Champion System, these are their Custom Speed Shoe Covers. For more information about these shoe covers go to: http://champ-sys.com/custom-speed-shoe-covers.html Limited availability, will NOT be restocked when sold out. Options Quantity Price Each closed Large x $33.00 Events DonationWe promote numerous events throughout the year to help keep the area racing scene viable. Your donation will help support events such as the Cleves Time Trial series, Ault Park Points Race series and others. Options Amount donation $ Team QCW DonationTeam QCW is open to all riders of any age and category. The team competes in every discipline offered by USA Cycling. Options Amount donation $ Junior Development DonationTarget my donation towards QCW Junior Development efforts. Options Amount donation $ Register with a BikeReg Account Register using my BikeReg.com profile. Username: Password: Remember me Add To Cart Forgot username or password? or create an account Continue as Guest Show Event Notes Event Notes


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Thanks, Michael Larabel for continuing to post meaningless benchmarks and drawing wrong conclusions.
There is a technical reason of why 2.7 (I assume EXA/DRI1) performs faster in glxgears than 2.8 (UXA/DR2):
http://keithp.com/blogs/Sharpening_t..._Driver_Focus/Originally Posted by Keith Packard
But as Keith already mentions: glxgears is not a benchmark. But maybe you need one more:
http://www.cworth.org/intel/performance_measurement/Originally Posted by Carl Worth
Now that we laughed about you and Michael for drawing conclusions from this same benchmark (just ported to QT4):
Let's consider some serious aspects. We need real application benchmarks such as game engines, firefox rendering or compiz performance. But even in this case, performance may degrade from one version to another. If that's the reason one should check whether one of these reasons apply:
. I noticed in Urban Terror, when performing Mesa benchmarks, that in certain revisions of the Mesa Stack on x3100 GM965 hardware, some visual effects were not drawn e.g. some lightning or the shot of your weapon. If it's not drawn the entire scene draws faster (though with slight visual corruption or flaws) and you get higher fps reports.
. In some of the recent versions of the intel driver tearing disappeared. I'm not aware of in which version exactly and whether it applies only to indirect or direct rendering, but this might may a dfficerence. I remember Jesse talking about double buffering:
I don't know whether this entered mainline or whether it's related. BUT: I don't see tearing with 2.8.0 in compiz enabled X-Org anymore and I know that double buffering has an impact on reported framerates (compared to tearing withough v-sync):
Michael, please remove QGears2 benchmarks from the benchmark suite that you use for performance evaluation. That applies to the GTK benchmarks as well that you used in this article, which I critized already some time ago:
The alpha already contains most of the components that will make it to the final build. In other words, the performance of the alphas should be indicative of the performance of the final build, unless some specific regression is identified and fixed in the meanwhile (and those tests *do* help in finding regressions).
This was the case with 9.04 for example: the final build had pretty much the same performance as the alphas, at least on my hardware (Ati R500 with the OSS drivers).
Is ubuntu 9.10 going to be faster then 9.04 for intel users?
You answer: We tested it with phoronix-test-suite and our conclusion is that the performance will be the same but slightly more unstable. But we tested the newest intel drivers and rc kernel on another distro (like arch, gentoo etc) and it showed boost in performance so we can't be sure at this point.
I untill recently was very dissapointed in intel's performance although it has advantages over other gpu's because I can built it straight into kernel and I don't have to worry about will nVIDIA or ATI release a driver that will compile on this rc kernel. I like oss and that is one of many reasons I use linux. But now, when they finally did a decent job I read more dissapointing news here on phoronix... Maybie those guys @canonical are doing something wrong but as I say 2.6.31+2.8.0 works perfectly stable and as fast as intel drivers ever where...
It's called performance management. You maintain visibility on performance during development so that you can track when and if there are performance issues and deal with them before production. Realistically, you do not see any public reference to performance of Ubuntu on an ongoing basis except on Phoronix. I trust that as Ubuntu 9.10 gets closer to release, Michael will extend the testing to include the history and ups and downs as it gets closer.
In general, if you look at some of the "this made some one look really bad" articles, the group with the gap go away, do a few blog postings and discuss what happened. This happened with the SuSE barrier usage. It caused discussion, it caused awareness.
Phoronix is just taking a mid-stream alpha and benchmarking it.
If the numbers are wrong, do a PTS response to show where the numbers are wrong.
If the numbers are right, work with the Ubuntu community to close the gap, offer to help Bryce select the right patch set for the intel drivers. You only have a few milestones left.
If you don't believe the tests are valid, help define some valid ones to improve the quality of the information.
Ok here are my results:
gtkperf: 2.6.30 - 1676 ; 2.6.31-rc4 - 1573
glmark: 2.6.30 - 64 ; 2.6.31-rc4 - 70
urban terror: 2.6.30 - 20.35 ; 2.6.31-rc4 - 23.70
So I don't think that there is regression on 2.6.31-rc just an improvement
I answered that already in my previous posting: We need real application benchmarks such as game engines, firefox rendering or compiz performance.
It's not a question of the phoronix test suite itself, but of the benchmarks choosen. If developers itself need profiling software to recognize which software pieces are used and to detect software hot spots, what do you think what kind of tools a reviewer needs?
Well, Eric Anholt needs cairo-perf-trace:
http://anholt.livejournal.com/41306.htmlThanks to cairo-perf-trace, I've just landed a 10% improvement in firefox performance for UXA
Phoronix needs to recognize that it's low level synthetic benchmarks are meaningless. It needs to focus on real applications, because it's simply not experienced enough to work with other benchmarks in order to draw the right conclusions.
Profiling is for developers, benchmarking is for users.
Benchmarking determines a macro issue that needs attention, profiling allows developers to deep dive into hotspots that need attention and provide improvements in the benchmark.
Note that cairo-perf-trace generates an application call profile, which then can be played as a benchmark. The developers then profile the benchmark to get the hotspots.
As has been mentioned before, if people are concerned about the quality or correctness of the benchmarks themselves, by all means, invest the effort into getting cairo-perf-trace into PTS. Be part of the solution .Phoronix needs to recognize that it's low level synthetic benchmarks are meaningless. It needs to focus on real applications, because it's simply not experienced enough to work with other benchmarks in order to draw the right conclusions.
A final comment...
I don't think Phoronix pulls many conclusions other than the benchmarks presented show a performance delta. What does happen though is the parties that are implicated by the performance issue actually begin to communicate, an example is
Bryce (Canonical) concurred about a potential performance issue associated with the intel drivers. He raises a bug to track, intel acknowledges and looks to reproduce the issue. The critical part is that a DISCUSSION is now underway to quantify if there is an issue.
That is the value of the Phoronix benchmark articles. It raises to the surface potential issues and triggers a discussion that would most likely not have occured in the past.


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Elijah Wood
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This article is written from a Real World perspective. |
Elijah Wood | |
Birthname | Elijah Jordan Wood |
Gender | Male |
Date of birth | January 28, 1981 |
Place of birth | Cedar Rapids, Iowa, US |
Character(s) | Beck |
[Source] |
Elijah Wood is an American actor who provides the voice for the character of Beck in TRON: Uprising.
Elijah Jordan Wood was born in Cedar Rapids, Iowa where he began his performance career with modeling, piano and stage drama from the age of 10.
After moving to Los Angeles in 1988, Wood landed a role in a Paula Abdul video before gravitating to television and feature film roles. Elijah Wood got his big break when he was cast as Frodo Baggins in a film adaptation of The Lord of the Rings, a role which saw the young actor gain a high level of stardom. Wood reprised his role as Frodo in The Hobbit: An Unexpected Journey.
- Elijah Wood also voiced the main protagonist Spyro in the Legend of Spyro video games, where his character's plot is similar to Beck's in The Stranger.


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Story last updated at 9:20 a.m. Sunday, October 31, 2004
Save the submersible
Maritime archaeologist identifies decaying sub in waters off Panama as Civil War-era cousin of H.L. Hunley, wants to rescue it for history
Of The Post and Courier Staff
Every day, the tides uncover the football-shaped iron hulk, left to rot just off the beach of a deserted island near Panama.
The locals call it a death machine, and the ebb and flow of the Pacific creates the ghostly illusion that it is endlessly diving and re-surfacing.
When the maritime archaeologist James Delgado arrived in Panama on a cruise ship in 2001, locals told him about the ship, claiming it was a Japanese sub abandoned after World War II.
Marine archaeologist and maritime historian James Delgado examines the Sub Marine Explorer off the coast of Panama. He found the Civil War-era Union sub in 2001 near one of the Pearl Islands.
Faced with the prospect of another boring bird-watching tour, he hired a boat to the remote island for a peek. There, in the surf of Isla San Telmo, Delgado found a forgotten chapter in submarine history, a Civil War-era cousin of the H.L. Hunley.
"It looked like something out of '20,000 Leagues Under the Sea'," Delgado said. "At first I thought it looked like a Holland submarine, but it was much smaller."
Delgado climbed around the sub, and was struck by its strange construction. Some of its design elements appeared to date to 1900, but the strange iron bars between its two hulls seemed like they'd been forged in the 1850s.
A few years later, Delgado got his answers. He has identified the wreck as the Sub Marine Explorer, a submersible built in New York in the waning days of the Civil War. Turned down by the U.S. Navy, its builder took the sub to Central America to make a fortune in pearl diving.
Before it was over, the sub's builder made another important -- and deadly -- discovery about deep-water diving.
Delgado says the submarine, which in some ways is even more advanced than the Hunley, is a unique maritime treasure that should be saved. Now he's looking for a way to rescue the fallen fish-boat from the waters of Central America.
Ideally, he says, the Explorer should be brought to the Warren Lasch Conservation Center, where it could benefit from the cutting-edge technology being used to save the Hunley.
"I can't imagine a better place for it," Delgado said after a tour of the North Charleston lab earlier this week. "If the funding could be found, it would be a great fit."
The two 1860s subs have much in common: design elements, similar conservation problems and, perhaps most notably, tragic pasts.
Delgado could not get the sub out of his mind.
After returning to Canada, where he is executive director of the Vancouver Maritime Museum, he sent photos of the boat to every maritime historian he knew, and he knows a lot of them. Delgado, co-host with Clive Cussler of National Geographic International's "The Sea Hunters," has been in the shipwreck business for decades, and was formerly maritime historian for the U.S. National Park Service.
For a long while, however, none of his contacts could offer much advice about the fat little sub. One friend mentioned it looked like the Intelligent Whale, a Civil War-era sub, and that made Delgado think: could it be that old?
Then, one day last year, Rich Wills, a Navy archaeologist, said the sub resembled drawings he'd seen of the Sub Marine Explorer, built for the U.S. Navy during the Civil War by a German immigrant and engineering whiz kid named Julius Kroehl.
Delgado got the drawings and any doubt he had melted away. He had his sub. The final confirmation was found in the article accompanying the drawings in the 1902 journal. It said the sub had been abandoned off Panama in 1869.
This research is the final chapter of a long, intriguing story...
Kroehl emigrated to America in 1838, where he studied to become an engineer. He took to the work like a duck to water, and by 1845 had patented a flange-bending machine for ironwork. More than a decade later, while blasting away at a reef causing problems for ships in the East River channel, Kroehl hired Van Buren Ryerson, who had crafted a pressured diving bell, to help. Kroehl would remember the bell and its name, Submarine Explorer.
Delgado says that in 1861 Kroehl became the first inventor to offer the U.S. Navy a submarine to sneak into Southern ports and attack from beneath the surface. Officials instead chose to go with Brutus de Villeroi, who eventually built the USS Alligator, the Navy's first submarine.
Kroehl instead spent most of the war as an underwater explosives expert for the Union, working the Mississippi River circuit until he was discharged with malaria. While recuperating, he came up with the idea of a submarine that divers could get in and out of underwater, from which they could set charges and disarm enemy torpedoes. Delgado says Kroehl was smart, and knew the Navy wouldn't pay for the construction of such an experimental boat. So he joined up with the Pacific Pearl Company, which was itching to mine the pearl beds off the Central American coast.
While Kroehl was building his submarine in early 1864, the 'shot heard round the world' in the underwater arms race was fired off Charleston. The privateer H.L. Hunley had sunk the USS Housatonic four miles offshore.
The boat, which Kroehl called the Sub Marine Explorer, was 36 feet long and 10 feet wide and could carry six to eight men. It was notable for its odd elliptical shape, its flat bottom and its separate chamber for pressurized air, which could be pumped into the crew compartment to equalize the pressure enough so the hatches could be opened underwater.
It was, Delgado said, the first self-propelled "lock out" dive chamber, an invention most historians thought didn't come along until the 20th century.
[NOT TRUE - DEVILLEROI HAD A WORKING SUB WITH A LOCKOUT CHAMBER IN THE 1830S - Tim S]
By the time the Explorer sailed, the Civil War was just about over. The Navy passed on the boat, but the Pacific Pearl Co. was ready for business. They used tests of the sub in the East River to attract investors.
The New York Times covered one such demonstration in May 1866, when Kroehl took the sub down for an hour and a half, leaving the people on the dock afraid that he had perished beneath the surface.
"Kroehl popped out of the hatch smoking a Meerschaum pipe, holding a bucket of mud scooped off the bottom of the channel," Delgado said.
Soon after that, Pacific Pearl shipped Explorer to Panama, where it gathered pearls successfully for almost three years. Kroehl did not make it so long. After one dive, Kroehl became ill. The locals said he had the "fever" and died shortly thereafter.
Delgado believes there is more to the story. In 1869, according to some accounts, the Explorer was abandoned in Panama Bay after a stint of heavy use. For 10 straight days, divers were taking the sub to a nearby pearl bed 100 feet below the surface, working for four hours and then returning to the surface. To some degree, all of them fell deathly ill.
Reading of Kroehl's symptoms, Delgado says he doesn't believe the engineer had a relapse of his malaria. His symptoms sounded, like those of the other workers who got sick in the sub, much more like the bends.
"They didn't know about decompression," he said. "It was unknown until workers on the Brooklyn Bridge started getting caisson's disease, and wasn't known as the bends until years later. I think Julius Kroehl may have died of the first recorded case of the bends."
The future of the submarine is uncertain. Exposed to the air, sea, and intrepid tourists, its hull is deteriorating badly, and it has apparently fallen victim to looters -- the propeller and conning tower hatch are missing.
Delgado took a crew of scientists down in 2002 to map the sub and give it a more careful examination. On Friday, Delgado said the National Oceanic and Atmospheric Administration, which is looking for the Alligator, has set aside money for a fact-finding expedition to Panama next year. Scientists want to find out if the sub, apparently made almost entirely of brittle cast iron, is too fragile to move, or if it can be saved.
Then -- if it is determined that Explorer can be rescued -- comes the hard part: finding the money to bring it up and care for it. Delgado says if it can be salvaged, it could be put in a tank of cold freshwater to desalinate it until technology invents a way to preserve it for posterity.
The Hunley lab, with its cutting-edge research on preserving Charleston's Civil War sub, is an obvious place for Explorer, says Delgado. But for the foreseeable future, scientists there have their hands full with their own crusty sub.
"It is an interesting parallel story to the Hunley," said Maria Jacobsen, senior archaeologist for the Hunley project. "It furthers our understanding of the evolution of diving technology. But they are two different things. The Explorer is an evolved concept of a dive bell, while the Hunley is a highly maneuverable, hydrodynamic stealth boat. In its case, it is the weapon."
Jacobsen said that the Hunley lab is the ideal place for such a ship, but it will be years before scientists there will have any time or energy to tackle another major project. But if the sub had to sit in holding tanks at the lab, like the cannons from the Alabama, Delgado says that would be better than allowing it to rot off the beach of Isla San Telmo.
"I'd just like to see ol' Uncle Julius's sub saved," Delgado said.
The submersible was built by Julius Kroehl, a German engineer and former Union naval officer during the Civil War. The 36-foot-long, 10-foot-wide sub was the first to have a pressure chamber system that allowed divers to enter and exit the sub while it was underwater. It was used in the 1860s for pearl diving off the coast of Panama, where it was ultimately abandoned.
Edited By TMSmalley on 1118143168


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Refugees in Niue |
Refugees in Niue
Somebody seeking safe place: somebody who seeks or takes refuge in a foreign country, especially to avoid war or persecution.
Related: Refugee Camps > Volunteer > Social IssuesThere is United Nations link dealing with Refugees:
United Nations High Commission for RefugeesTraveler and Tourist of the planet will discover the word refugee is used often.
Related to people in exile, immigrants, migrant, expatriate, exile, evacuee, expat, emigrant
Refugee camps, Hmong refugee in Thailand, Burma, Nepalese, Africa, Palestinian, Vietnam.
Please submit information of interest to Travelers or Tourist as they learn about Refugees.


text:
The Division of Finance and Administration facilitates the University's mission through fiscal operations, business office operations, campus security, compliance, environmental health and safety, human resources, payroll, and purchasing operations. We are dedicated to quality service to students, faculty, staff and external constituencies.
We welcome you to our website and to our university. We pledge to provide you with exceptional customer service and a quality learning environment.
James Scogin
Vice President for Finance & Administration
Tammy Kelley
Administrative Assistant


text:
Main Content
Get your young fan ready to knock one out of the park for their Twins pride when they step up to the plate sporting this Majestic Batting Practice performance jersey! The same style worn by their favorite players, this jersey proudly displays a printed team logo on the chest and offers Cool Base technology to wick moisture away from their skin to keep them cool, dry and performing at their peak. In short, this jersey will let them shine as an example for other Twins fans to follow — and will leave other teams' fans envious of your youngster's devotion.
- 100% Polyester fabric
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- Imported
- Lightweight full button jersey
- Officially licensed MLB product
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Special event items are produced by manufacturers only after the outcome of a game
or event. These are advanced sale items and will ship immediately after they are
received in our warehouse.
Manufacturer direct items are shipped directly from the manufacturer. These items
are not available for international or expedited shipping.
Customized items can be personalized with options such as your name, your favorite
number, and/or designs. Some options may be limited by league rules.


text:
Durable, highly breathable and water and wind resistant, Patagonia Men's Guide Pants excel in alpine conditions and are perfect for cold weather activities like winter backpacking, snowshoeing and ski touring.
Patagonia grew out of a small company that made tools for climbers. Alpinism remains at the heart of a worldwide business that still makes clothes for climbing – as well as for skiing, snowboarding, surfing, fly fishing, paddling and trail running. Patagonia's mission statement says it all: Build the best product, cause no unnecessary harm, use business to inspire and implement solutions to the environmental crisis.
Backcountry Edge is proud to be an authorized Patagonia dealer.
Click here to visit the official Patagonia website. (Note: you will be leaving Backcountry Edge.)


text:
If you have booked on brusselsairlines.com and wish to buy excess luggage, please enter your last name and booking reference.
If you haven't booked on brusselsairlines.com or in case you want to change/cancel your flight, request a special meal, add your frequent flyer number or change your contact info, please contact our Service Centre.
If you want to get an upgrade and enjoy the comfort and services of a higher cabin class, please click here.
To check in online, please click here >>
(expectant mothers, children travelling alone, passengers in need of medical assistance, etc.)
For groups from 10 persons, please book via our group bookings department
For trips containing more than 2 airports
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Check all airport details, including lounge, ticketing office & transport info.
Cotonou is the economic capital of Benin, as well as its largest city and houses many of its government and diplomatic services; thus, it is Benin's de facto capital, even though the official capital is Porto-Novo.
Cotonou is located on the coastal strip between Lake Nokoué and the Atlantic Ocean. The city is cut in two by a canal, the lagoon of Cotonou.
The climate is equatorial, alternating with two rainy seasons (April - July and September - October) and two dry seasons. From December to January, the city is affected by winds. The annual temperature varies between 18 and 35 °C.
The Autonomous Port of Cotonou is one of the largest ports in West Africa. Through Cotonou International Airport the capitals of the region, as well as the major cities of Benin are within reach: Parakou, Kandi, Natitingou, Djougou and Savé.
Because of these connections, Cotonou has become a crossroads of West African commerce.


text:
John Keyser
John Keyser, email@example.com
2012-13 Teaching Schedule:
Periods 2,8: Music Technology
Period 6: Concert Chior and Rising Sound
Home of the Quakers
5405 SE Woodward | Portland, OR 97206
Phone: (503) 916-5140 | Fax: (503) 916-2694
The EdBox Viewer is a tool to help families stay informed about their middle or high school student's progress. Click the logo to start.
The EdBox Gradebook website login screen asks for User Name and Password: enter the User ID number and student's or parent/guardian's password as provided on the letter from Portland Public Schools. For more information, contact your student's counselor.
John Keyser, email@example.com
2012-13 Teaching Schedule:
Periods 2,8: Music Technology
Period 6: Concert Chior and Rising Sound
Portland Public Schools recognizes the diversity and worth of all individuals and groups and their roles in society. It is the policy of the Portland Public Schools Board of Education that there will be no discrimination or harassment of individuals or groups on the grounds of age, color, creed, disability, marital status, national origin, race, religion, sex or sexual orientation in any educational programs, activities or employment.
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text:
21-15-9 reps of:
Clean 135 pounds
Ring dips
Post time to comments.
Compare to 130707.
The mainpage of CrossFit directs new people here for help getting started CF can be confusing enough for a newbie, we want to make it as easy as possible for them. We ask you to be courteous and thoughtful of the newbies. If they show up here for the first time and have to wade through 5-10 posts before we have a chance to scale for them, it can make it more difficult.
Answers to frequently asked questions can be found in the Beginners forum.


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you loose 900 mhz turbo boost max with your stupid settings. enable ALL powersave features including acpi c6 and turbo boost - then test again.
I have been looking at the performance of two servers:
- dual Xeon X5550 2.67GHz (Nehalem, Dell R610)
- dual Xeon E5-2690 2.90 GHz (Sandy Bridge, Dell R620 & HP dl360g8p)
For my particular (proprietary) application, the Sandy Bridge systems are significantly slower. At least one facet of this problem has to do with:
- pthread condition variable signaling
- pthread mutex lock contention
I wrote a simple (<300 lines) C program that demonstrates this: http://pastebin.com/0jPt0AJS
The program has two tests:
- "lc", a lock contention test, where two threads "fight" over incrementing and decrementing an integer, arbitrated with a pthread_mutex_t
- "cv", a condition variable signaling test, where two threads "politely" take turns incrementing and decrementing an integer, signaling each other with a condition variable
The program uses pthread_setaffinity_np() to pin each thread to its own CPU core.
I would expect the SNB-based servers to be faster, since they have a clockspeed and architecture advantage.
Results of X5550 @ 2.67 GHz server under CentOS 5.7:
# ./snb_slow_demo -c 3 -C 5 -t cv -n 50000000
runtime, seconds ........ 143.339958
# ./snb_slow_demo -c 3 -C 5 -t lc -n 500000000
runtime, seconds ........ 58.278671
Results of Dell E5-2690 @ 2.90 GHz under CentOS 5.7:
# ./snb_slow_demo -c 2 -C 4 -t cv -n 50000000
runtime, seconds ........ 179.272697
# ./snb_slow_demo -c 2 -C 4 -t lc -n 500000000
runtime, seconds ........ 103.437226
I upgraded the E5-2690 server to CentOS 6.2, then tried both the current release kernel.org kernel version 3.4.4, and also 3.5.0-rc5. The "lc" test results are about the same, but the "cv" tests are worse yet: the same test takes about 229 seconds to run.
Also noteworthy is that the HP has generally better performance than the Dell. But the HP E5-2690 is still worse than the X5550.
In all cases, for all servers, I disabled power-saving features (cpu frequency scaling, C-states, C1E). I verified with i7z that all CPUs spend 100% of their time in state C0.
Is this simply a corner case where Sandy Bridge is worse than its predecessor? Or is there an implementation problem?
you loose 900 mhz turbo boost max with your stupid settings. enable ALL powersave features including acpi c6 and turbo boost - then test again.
No, for ultra low latency applications, it is absolutely critical to disable all powersaving features in modern CPUs. This is standard practice in industries such as high frequency trading and some other high performance computing situations. There is a measurable latency hit for a CPU to transition from a low power/slow state to a higher power/fast state. The latency to transition from one state to another is lessened in SNB compared to Westmere, but it's still there.
In other words, with this benchmark, enabling any kind of power saving features (on either CPU) makes things worse.
To be fair, turbo boost is debatable. In this particular benchmark, it improves things slightly; but overall, SNB still falls well behind Westmere.
I basically have got i7-880, i7-2600, i7-3770S. But not yet wheezy on the i7-880. The gcc is important for speed, gcc-4.7 is better as you see here in most benchmarks:
You can forget the filesystem benchmarks as that is ext3 vs ext4. Also you could try differnet compiler flags and -march=native. I doubt that you lose so much latency with power management, maybe use a low latency kernel.
Last edited by Kano; 07-11-2012 at 01:31 PM.
If you're interested, I encourage you to compile and run the sample program to which I linked (instructions for building are in the top comment).
FWIW, I have tested this program with several compilers. I haven't tried gcc 4.7 yet, but I have tried 4.6.3 on gentoo, having re-emerged the whole system with -march=corei7-avx, and built my demo program similarly. I also tried Intel's compiler (I didn't rebuild the whole gentoo system w/icc, but did build my program). The different compilers have so far made very little difference.
My sample program doesn't actually do much that is interesting; it's more or less a system call benchmark. So my suspicion is that these kernel functions I'm using are implemented sub-optimally for SNB, or this is simply a corner-case where SNB is slower than previous-gen CPUs.
I've been playing with this for a while, so I'm kind of hoping to get the attention of someone with deeper knowledge of kernel-CPU internals than me.
Basically your benchmark is the worst multicore example that could be there. Lets talk about cv mode, when you specify different cores htop does never show more than 55% load on each core. With lc mode you see 100% load, but your code is written in both cases to run on 1 core! The speed difference is extreme. I did not wait for cv to finish with 2 different cores, thats just too long. Used i7-3770S, Turbo fixed at 39.
Code:./snb_slow_demo -c 0 -C 1 -t lc -n 500000000 RUNTIME PARAMS: n_iter ..... 500000000 cpu1 ....... 0 cpu2 ....... 1 testname ... lc runtime, microseconds ... 77268376 runtime, seconds ........ 77.268376 ./snb_slow_demo -c 0 -C 0 -t lc -n 500000000 RUNTIME PARAMS: n_iter ..... 500000000 cpu1 ....... 0 cpu2 ....... 0 testname ... lc runtime, microseconds ... 18515720 runtime, seconds ........ 18.515720 ./snb_slow_demo -c 0 -C 0 -t cv -n 50000000 RUNTIME PARAMS: n_iter ..... 50000000 cpu1 ....... 0 cpu2 ....... 0 testname ... cv runtime, microseconds ... 74678823 runtime, seconds ........ 74.678823


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This game fails badly...
Nothing different from other (FLOSS) FPSs. Ugly, uninspired, half-assed artwork...
Is there anyone who likes alien arena?
It's like: "Hey man, let's freak out this game!"
-"Wow we did it in 7 hours lol!"
"What do we do now?"
-"Hey I know! Let's make our own game!!!111111"
"Hell yeah! I got a name!!!!11"
"Alien Arena!!!!"
-"Fsck yeah we are going make teh best gamez0rs evah!!!!!"
"Hell yeah!! Oh and we are so elite that we'll make it for Linux!!"
"Just rip some source code! I got an OpenGL book here so we can add effects along the way!"