Reducing System Overheads in Home-based Software DSMs

  • Authors:
  • Weiwu Hu;Weisong Shi;Zhimin Tang

  • Affiliations:
  • -;-;-

  • Venue:
  • IPPS '99/SPDP '99 Proceedings of the 13th International Symposium on Parallel Processing and the 10th Symposium on Parallel and Distributed Processing
  • Year:
  • 1999

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Abstract

Software DSM systems suffer from the high communication and coherence-induced overheads that limit performance. This paper introduces our efforts in reducing system overheads of a home-based software DSM called JIAJIA. Three measures, including eliminating false sharing through avoiding unnecessarily in-validating cached pages, reducing virtual memory page faults with a new write detection scheme, and propagating barrier message in a hierarchical way, are taken to reduce the system overhead of JIAJIA. Evaluation with some well-known DSM benchmarks reveals that, though varying with memory reference patterns of different applications, these measures can reduce system overhead of JIAJIA effectively.