HELP! * YELLOW=global GREY=local Global HTML version of Foils prepared July 6 1996

Foil 15 Criterion for success in parallelizing a particular problem on a particular machine

From HPCC Current Status: Software Trip to China -- July 12-28,96. by Geoffrey Fox * See also color IMAGE
Software powerful enough to express natural parallelism of problem (work in progress)
Problem is "large"
Architecture of computer at least as "rich" as architecture of problem
  • Temporal (control) structure
    • SIMD v. MIMD
    • This is a strong constrain
  • Spatial (topology) structure
    • "Weak" constraint
    • Mismatches "only" affect performance
Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

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