Scripted HTML version of Foils prepared April 27 97

Foil 13 The Current HPCC Program Execution Model (PEM) illustratrated by MPI/HPF

From And the HPCN Future is: Petaflop Computers and Java and Web Technologies Aachen Parallel Computing Workshop, Pallas Presentation Germany -- April 21,23 97. by Geoffrey C. Fox *
MPI represents data movement with the abstraction for a structure of machines with just two levels of memory
  • On Processor and Off Processor
This was a reasonable model in the past but even today fails to represent complex memory structure of typical microprocessor node
Note HPF Distribution Model has similar (to MPI) underlying relatively simple Abstraction for PEM

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