Approximate simulation of distributed-memory multithreaded multiprocessors

Zuberek, W. M. (2002) Approximate simulation of distributed-memory multithreaded multiprocessors. In: 35th Annual Simulation Symposium. SS 2002, 14-18 April 2002, San Deigo, CA, USA.

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Abstract

The performance of modern computer systems is increasingly limited by long latencies of accesses to their memory systems. Instruction-level multithreading is a technique to tolerate long latencies of memory accesses by switching from one instruction thread to another. The paper shows that the simulation-based performance evaluation of distributed-memory multithreaded multiprocessor systems can be significantly simplified by using approximate models, composed of only a few processors, but with some parameters adjusted to represent the behavior of the original system.

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