PASM Project: A study of reconfigurable parallel computing

  • Howard Jay Siegel
  • , Tracy D. Braun
  • , Henry G. Dietz
  • , Mark B. Kulaczewski
  • , Muthucumaru Maheswaran
  • , Pierre Pero
  • , Janet M. Siegel
  • , John John E. So
  • , Min Tan
  • , Mitchell D. Theys
  • , Lee Wang

Research output: Contribution to conferencePaperpeer-review

7 Scopus citations

Abstract

PASM is a concept for a parallel processing system that allows experimentation with different architectural design alternatives. PASM is dynamically reconfigurable along three dimensions: partitionability into independent or communicating submachines, variable interprocessor connections, and mixed-mode SIMD/MIMD parallelism. With mixed-mode parallelism, a program can switch between SIMD (synchronous) and MIMD (asynchronous) parallelism at instruction-level granularity, allowing the use of both modes in a single machine. The PASM concept is presented, showing the ways in which reconfiguration can be accomplished. Trade-offs among SIMD, MIMD, and mixed-mode parallelism are explored. The small-scale PASM prototype with 16 processing elements is described. The ELP mixed-mode programming language used on the prototype is discussed. An example of a prototype-based study that demonstrates the potential of mixed-mode parallelism is given.

Original languageEnglish
Pages529-536
Number of pages8
StatePublished - 1996
EventProceedings of the 1996 2nd International Symposium on Parallel Architectures, Algorithms, and Networks, I-SPAN - Beijing, China
Duration: Jun 12 1996Jun 14 1996

Conference

ConferenceProceedings of the 1996 2nd International Symposium on Parallel Architectures, Algorithms, and Networks, I-SPAN
CityBeijing, China
Period6/12/966/14/96

ASJC Scopus subject areas

  • General Computer Science

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