Basic HTML version of Foils prepared August 29 98

Foil 62 Irregular Mesh: OpenMP Communication

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.)
Communication needed for all parts
  • Between edges and nodes to compute flux
  • Edge-node and node-node to compute x
  • Reduction to compute err
  • Edge and node communication is static, local with respect to grid
    • But unstructured with respect to array indices
  • Reduction communication is static, global

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