Basic HTML version of Foils prepared 26 September 1996

Foil 82 Distribution Directive 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 Syntax:
2 !HPF$ DISTRIBUTE distributee (dist-format)
3 [ONTO dist-target]
4 Allowed forms of dist-format:
  • * -- Implies no distribution in this index
  • BLOCK -- Critical to minimize communication
  • CYCLIC -- Critical for load balancing
  • BLOCK(int-expr) -- Not Obviously useful!
  • CYCLIC(int-expr) -- Very useful
5 Examples:
  • CHPF$ DISTRIBUTE TEMP(BLOCK,CYCLIC)
  • !HPF$ DISTRIBUTE FRED(BLOCK(10)) ONTO P
  • *HPF$ DISTRIBUTE (BLOCK,*) :: MYTEMPLATE
in Table To:

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