Performance of MP3D on the SB-PRAM Prototype

  • Roman Dementiev
  • Michael Klein
  • Wolfgang J. Paul
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2400)

Abstract

The SB-PRAM is a shared memory machine which hides latency by simple interleaved context switching and which can be expected to behave almost exactly like a PRAM if all threads can be kept busy. We report measured run times of various versions of the MP3D benchmark on the completed hardware of a 64 processor SB-PRAM. The main findings of these experiments are: 1) parallel efficiency is 79% for 32 processors and 56% for 64 processors. 2) Parallel efficiency is limited by the number of available threads.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2002

Authors and Affiliations

  • Roman Dementiev
    • 1
  • Michael Klein
    • 1
  • Wolfgang J. Paul
    • 1
  1. 1.Computer Science DepartmentSaarland UniversitySaarbrückenGermany

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