HTML version of Scripted Foils prepared May 6 97

Foil 11 The Current HPCC Program Execution Model (PEM) illustratrated by MPI/HPF

From The Use of Web Technologies (at NPAC) in HPCC Collaboration and Education Trip to Digital Corporation in New Hampshire -- May 8 97. by Geoffrey C. Fox *
1 MPI represents data movement with the abstraction for a structure of machines with just two levels of memory
  • On Processor and Off Processor
2 This was a reasonable model in the past but even today fails to represent complex memory structure of typical microprocessor node
3 Note HPF Distribution Model has similar (to MPI) underlying relatively simple Abstraction for PEM
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