Coterminous Locality and Coterminous Group Data Prefetching on Chip-Multiprocessors

Provided by: Institute of Electrical & Electronic Engineers
Topic: Hardware
Format: PDF
Due to shared cache contentions and interconnect delays, data prefetching is more critical in alleviating penalties from increasing memory latencies and demands on Chip Multi-Processors (CMPs). Through deep analysis of SPEC2000 applications, the authors find that a part of the nearby data memory references often exhibit highly-repeated patterns with long, but equal block reuse distance. These references can form a Coterminous Group (CG). Coterminous locality is introduced as that when a member in a CG is referenced, the remaining members will likely be referenced in the near future.

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