Basic HTML version of Foils prepared 24 August 98

Foil 46 Communication

From Master Foilset for CPS615 Introduction -- Material from Culler and Koelbel Computational Science for Simulations -- Fall Semester 1998. by Geoffrey C. Fox, Nancy McCracken
1 Identify communication requirements
  • If computation in one task requires data located in another, communication is needed
2 Example: finite difference computation
3 Must communicate with each neighbor
4 Xi = (Xi-1 + 2*Xi + Xi+1)/4
5 Partition creates
6 one task per point
7 I=2 above
in Table To:

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