Basic HTML version of Foils prepared February 13 00

Foil 23 Communication to Calculation Ratio as a function of template I

From Master Set for Parallel Programming for Laplace's Equation CPS615 Spring Semester 00 -- February 00. by Geoffrey C. Fox
1 For Jacobi, we have
2 Calculation 4 n tfloat
3 Communication 4 ?n tcomm
4 Communication Overhead fcomm = tcomm/(?n tfloat)
5 "Smallest" Communication but NOT smallest overhead
6 Update Stencil
7 Communicated Updated Processor Boundaries
in Table To:

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