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The evolution to Manycore platforms is real, both in the High-Performance Computing domain and in embedded systems. If we start with ten or more cores, we can see the evolution to many tens of cores and to platforms with 100 or more occurring in the next few years. These platforms are heterogeneous, homogeneous, or a mixture of subsystems of both types, both relatively generic and quite application-specific...
Multicycle instruction set extensions (ISE) can be pipelined in order to increase their throughput; however, typical program traces seldom contain consecutive calls to the same ISE that would allow this temporal parallelism. Often, there are intermittent calls to branch instructions, at a minimum, that prevent the pipelined execution of subsequent calls to the same ISE within a loop. What is needed...
Customized processor performance generally increases as additional custom instructions are added. However, performance is not the only metric that modern systems must take into account; die area and energy efficiency are equally important. Resource sharing during synthesis of instruction set extensions (ISEs) can significantly reduce the die area and energy consumption of a customized processor. This...
Customised processor performance generally increases as additional custom instructions are added. However, performance is not the only metric that modern systems must take into account; die area and energy efficiency are equally important. Resource sharing during synthesis of instruction set extensions (ISEs) can reduce significantly the die area and energy consumption of a customised processor. This...
As the number of disks in a storage sub-system keeps increasing, the back-end network may become the bottleneck and thus impose a constraint on system performance. Unfortunately, there is no visible literature base on storage back-end network bottlenecks and scalability. This paper studies the scalability of the back-end network by answering two questions: (1) which factors affect the back-end network...
The widening gap between CPU and memory speed has made caches an integral feature of modern high- performance processors. The high degree of configurability of cache memory can require extensive design space exploration and is generally performed using execution-driven or trace-driven simulation. Execution-driven simulators can be highly accurate but require a detailed development flow and may impose...
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