Basic HTML version of Foils prepared 23 August 1998

Foil 85 Global and Local Parallelism Illustrated by Hadrian's Wall

From CPS615-Introduction-Course,Driving Technology and HPCC Current Status and Futures CPS615 Basic Simulation Track for Computational Science -- Fall Semester 98. by Geoffrey C. Fox, (Some Culler, Koelbel material)
1 Global Parallelism
  • Break up domain
  • Amount of Parallelism proportional to size of problem (and is usually large)
  • Unit is Bricklayer or Computer node
2 Local Parallelism
  • Do in parallel local operations in the processing of basic entities
    • e.g. for Hadrian's problem, use two hands, one for brick and one for mortar while ...
    • for computer case, do addition at same time as multiplication
  • Local Parallelism is limited but useful
3 Local and Global Parallelism
4 Should both be Exploited
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