Scripted HTML version of Foils prepared 29 December 1996

Foil 7 Parallelism in HPF

From CPS615-Introduction to Virtual Programming Lab -- Problem Architecture Continued and Start of Real HPF Delivered Lectures of CPS615 Basic Simulation Track for Computational Science -- 26 September 96. by Geoffrey C. Fox *
Secs 110.8
Parallelism in HPF is expressed explicitly
  • Fortran 90 array expressions and assignments (including WHERE)
  • HPF Library and Array intrinsics
  • FORALL statement and construct
    • PURE labels procedures that can be used in FORALL as they have no "side-effects"
  • INDEPENDENT assertion on DO loops
Compiler may choose not to exploit information about parallelism
Compiler may detect parallelism in sequential code

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