Basic HTML version of Foils prepared 26 September 1996

Foil 122 Spawning Tasks in HPF

From HPCC Software Technologies Fall 96 -- Overview and HPF Delivered Lectures of CPS615 Basic Simulation Track for Computational Science -- 26 September 96. by Geoffrey C. Fox
1 Task Parallelism is sort of supported in HPF but not clear to me that this is a great idea as better to keep sophisticated task parallelism outside HPF which is really only designed to support data parallelism
2 !HPF$ TASKING
  • !HPF$ ON HOME(p(1:8))
  • CALL foo(x,y)
  • !HPF$ ON HOME(p(9:16))
  • CALL bar(z)
3 !HPF$ END
4 This extends SPMD model with foo running on eight and bar on another processors
5 Note foo and bar are expected to contain data parallel statements which distribute execution using conventional HPF over 8 processors
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