1. A system, comprising: at least one offload processor having a data cache, the offload processor including a slave interface configured to receive write data and provide read data over a memory bus; an offload processor module including context memory and a bus controller connected to the slave interface; and logic coupled to the offload processor and context memory and configured to detect predetermined write operations over the memory bus; wherein the offload processor is configured to execute operations on data received over the memory bus, and to output context data to the context memory, and read context data from the context memory.