SPAC: A Synergistic Prefetcher Aggressiveness Controller for Multi-core Systems

  • Panda, Biswabandan
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Publication date
January 2016
Publisher
Institute of Electrical and Electronics Engineers

Abstract

International audienceIn multi-core systems, prefetch requests of one core interfere with the demand and prefetch requests of other cores at the shared resources, which causes prefetcher-caused interference. Prefetcher aggressiveness controllers play an important role in minimizing the prefetcher-caused interference. State-of-the-art controllers such as hierarchical prefetcher aggressiveness control (HPAC) select appropriate throttling levels that can lead to improvement in system performance. However, HPAC does not consider the interactions between the throttling decisions of multiple prefetchers, and loses opportunity to improve system performance further. For multi-core systems, state-of-the-art prefetcher aggressiveness controllers cont...

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