Basic HTML version of Foils prepared 2 September 1997

Foil 11 SPMD or SCMD
Single Program (code) Multiple Data

From CPS615 Laplace Example -- Programming Models and Performance CPS615 Basic Simulation Track for Computational Science -- Fall Semester 97. by Geoffrey C. Fox
1 A particular way of using MIMD machines - DOMINANT successful use so far.
2 Each processor runs same program but in general executes different instructions at different times.
3 Will later see corresponds to "loosely synchronous problems".
4 Style of current program example -- note although each doing roughly same thing -- i.e. updating grid points -- each node is NOT at same point in update at each clock cycle
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