Basic HTML version of Foils prepared 24 August 98

Foil 59 Application Trends

From Master Foilset for CPS615 Introduction -- Material from Culler and Koelbel Computational Science for Simulations -- Fall Semester 1998. by Geoffrey C. Fox, Nancy McCracken
Demand for cycles fuels advances in hardware, and vice-versa
  • Cycle drives exponential increase in microprocessor performance (this is largely from low-end)
  • Drives parallel architecture harder: most demanding applications (this is high end driver)
Range of performance demands
  • Need range of system performance with progressively increasing cost
  • Platform pyramid
Goal of applications in using parallel machines: Speedup
  • Speedup (p processors) =
For a fixed problem size (input data set), performance = 1/time
  • Speedup fixed problem (p processors) =

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