Basic HTML version of Foils prepared May 7 1996

Foil 118 Message Passing Interface (MPI)

From MetaComputing -- MRA Meeting Part I:Concepts and Issues Tutorial for CRPC MRA Meeting at Cornell -- May 7 1996. by Mark Baker, Geoffrey Fox
1 MPI provides source-code portability of message-passing programs written in C or Fortran across a variety of architectures.
2 Just as for the sequential case, this has many benefits, including protecting investment in a program, allowing development of the code on one architecture (e.g. a network of workstations) before running it on the target machine (e.g. fast specialist parallel hardware)
3 Basic concept of processes communicating by sending messages to one another has been understood for a number of years, it is only relatively recently that message-passing systems have been developed which allow source-code portability.
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