A performance evaluation of the multiprocessor testbed ATTEMPT-0

Takuya Terasawa, Ou Yamamoto, Tomohiro Kudoh, Hideharu Amano

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

ATTEMPT-0 is a bus connected multiprocessor testbed which provides both the shared memory and the local memory for each processor. In this paper, we describe the design policy and organization of machine and discuss on the performance measurement results using five practical parallel applications. Processors share a global shared memory through the Futurebus. A write-through type snoop cache, a local memory and a special synchronization mechanism synchronizer are provided for each processor. The evaluation result demonstrates the efficiency of the cooperated system with the local memory, the synchronizer and the global shared memory. By using the local memory, performance is improved 10 to 60% compared with the case of only the shared memory is used. Meanwhile, through the performance analysis of the Futurebus, we found some problems in the arbitration protocol.

Original languageEnglish
Pages (from-to)701-730
Number of pages30
JournalParallel Computing
Volume21
Issue number5
DOIs
Publication statusPublished - 1995 May

Keywords

  • Bus connected multiprocessor
  • IEEE Futurebus
  • Performance evaluation
  • Snoop cache
  • Synchronization mechanism

ASJC Scopus subject areas

  • Software
  • Theoretical Computer Science
  • Hardware and Architecture
  • Computer Networks and Communications
  • Computer Graphics and Computer-Aided Design
  • Artificial Intelligence

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