Comparing memory systems for chip multiprocessors

  title={Comparing memory systems for chip multiprocessors},
  author={Jacob Leverich and Hideho Arakida and Alex Solomatnikov and Amin Firoozshahian and Mark Horowitz and Christoforos E. Kozyrakis},
There are two basic models for the on-chip memory in CMP systems:hardware-managed coherent caches and software-managed streaming memory. This paper performs a direct comparison of the two modelsunder the same set of assumptions about technology, area, and computational capabilities. The goal is to quantify how and when they differ in terms of performance, energy consumption, bandwidth requirements, and latency tolerance for general-purpose CMPs. We demonstrate that for data-parallel… CONTINUE READING
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