HTML version of Scripted Foils prepared 27 october 1996

Foil 4 Performance for Increasing Stencil

From CPS615-Lecture on Performance(end) and Computer Technologies(start) Delivered Lectures of CPS615 Basic Simulation Track for Computational Science -- 10 September 96. by Geoffrey C. Fox *
Secs 277.9
1 The previous foil showed that increasing stencil made slight improvements!
2 This foil shows that larger stencils have much lower overheads (and hence better parallel performance) than simple Laplace's equation with 5 point stencil
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