Basic HTML version of Foils prepared 24 August 98

Foil 53 Atmosphere Model: Agglomeration

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 In horizontal
  • Clump so that 4 points per task
  • Efficiency: communicate with 4 neighbors only
2 In vertical, clump all points in column
  • Performance: avoid communication
  • Modularity: Reuse physics modules
3 Resulting algorithm "reasonably scalable"
  • (Nx.Ny)/4 : at least 1250 tasks
in Table To:

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