A helper thread based dynamic cache partitioning scheme for multithreaded applications

  • Authors:
  • Mahmut Kandemir;Taylan Yemliha;Emre Kultursay

  • Affiliations:
  • Pennsylvania State University;Syracuse University;Pennsylvania State University

  • Venue:
  • Proceedings of the 48th Design Automation Conference
  • Year:
  • 2011

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Abstract

Focusing on the problem of how to partition the cache space given to a multithreaded application across its threads, we show that different threads of a multithreaded application can have different cache space requirements, propose a fully automated, dynamic, intra-application cache partitioning scheme targeting emerging multicores with multilayer cache hierarchies, present a comprehensive experimental analysis of the proposed scheme, and show average improvements of 17.1% and 18.6% in SPECOMP and PARSEC suites.