Basic HTML version of Foils prepared 23 August 1998

Foil 53 A Simple Parallel Programming Model

From CPS615-Introduction-Course,Driving Technology and HPCC Current Status and Futures CPS615 Basic Simulation Track for Computational Science -- Fall Semester 98. by Geoffrey C. Fox, (Some Culler, Koelbel material)
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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