Basic HTML version of Foils prepared August 22 98

Foil 3 PetaSIM Interpolates Between

From Overview of PetaSIM and its relationship to Application Emulators Darpa Workshop on Performance Engineered Systems Annapolis Md. -- August 19-21 1998. by Yuhong Wen, Geoffrey C. Fox
"Back of the envelope estimates" where you get good intuition for why the performance is what it is
and Precise Simulations
Communication Overhead in classical data parallel (edge over area) with NO memory hierarchy NO latency where dim is geometric dimension and tcomm and tfloat are
typical communication and computation times
tcomm
tfloat
(grain size)
1/dim
a

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