Basic HTML version of Foils prepared August 7 98

Foil 15 Gaussian Elimination: Communication

From DoD HPF Training -- 5. Parallel Programming in HPF DoD Training and Others -- 1995-98. by Chuck Koelbel -- Rice University
1 Pivot search:
  • Reduction along column
  • Static, global communication
2 Element updates:
  • Each requires itself, elements from pivot column & row
  • Static, global communication
    • Broadcast
in Table To:

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