Basic HTML version of Foils prepared 24 August 98

Foil 42 A Simple Parallel Programming Model

From Master Foilset for CPS615 Introduction -- Material from Culler and Koelbel Computational Science for Simulations -- Fall Semester 1998. by Geoffrey C. Fox, Nancy McCracken
A parallel computation is a set of tasks
Each task has local data, can be connected to other tasks by channels
A task can
  • Compute using local data
  • Send to/receive from other tasks
  • Create new tasks, or terminate itself
A receiving task blocks until data available
Note ALL coordination is message passing

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