Basic HTML version of Foils prepared February 13 00

Foil 26 Communication to Calculation IV

From Master Set for Parallel Programming for Laplace's Equation CPS615 Spring Semester 00 -- February 00. by Geoffrey C. Fox
Now systematically increase size of stencil. You get this in particle dynamics problems as you increase range of force
Calculation per point increases but communication increases faster and fcomm decreases systematically
Must re-use communicated values for this to work!
Update Stencils of increasing range

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