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
For Jacobi, we have
Calculation 4 n tfloat
Communication 4 ?n tcomm
Communication Overhead fcomm = tcomm/(?n tfloat)
"Smallest" Communication but NOT smallest overhead
Update Stencil
Communicated Updated Processor Boundaries

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