Basic HTML version of Foils prepared August 29 98

Foil 76 OpenMP + MPI

From Designing and Building Parallel Programs 2: openMP Shared Memory Programming Language DoD Modernization Tutorial -- 1995-1998. by Ian Foster, Gina Goff, Ehtesham Hayder, Chuck Koelbel(Some foils prepared by Kuck & Associates, Inc.)
1 Modern parallel machines are often shared memory nodes connected by message passing
2 Can be programmed by calling MPI from OpenMP
  • MPI implementation must be thread-safe
3 ASCI project is using this heavily
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