Basic HTML version of Foils prepared August 29 98

Foil 13 A Simple Parallel Programming Model

From Designing and Building Parallel Programs I: Introduction DoD Modernization Tutorial -- 1995-1998. by Ian Foster, Gina Goff, Ehtesham Hayder, Chuck Koelbel
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

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