An approximate analysis of multiprocessor systems

  • Authors:
  • Don Towsley

  • Affiliations:
  • Dept. of Electrical and Computer Engineering, University of Massachusetts, Amherst,Massachusetts

  • Venue:
  • SIGMETRICS '83 Proceedings of the 1983 ACM SIGMETRICS conference on Measurement and modeling of computer systems
  • Year:
  • 1983

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Abstract

This paper presents an approximate analysis of a multiprocessor system consisting of P processors, M memory modules, and B buses. The model assumes constant memory access times, arbitrary memory access patterns, and bus contention. The solution technique aggregates all memories into a composite queue and degrades the service rates of this queue so as to include the effect of bus contention. The throughput predictions from this model are very accurate, typically within 1% of predictions made with either simulation or exact analysis.