Basic HTML version of Foils prepared August 7 98

Foil 38 Example of HPF_LOCAL
EXTRINSIC(F77_LOCAL)

From DoD HPF Training -- 3. Parallel Constructs in HPF DoD Training and Others -- 1995-98. by Chuck Koelbel -- Rice University
1 HPF_LOCAL requires a Fortran 90 interface to the local subroutine with assumed-shape arrays
  • - Many libraries do not use assumed-shape arrays
  • - Thus was born the need for F77_LOCAL
2 On the caller (HPF) side:
  • EXTRINSIC(HPF_LOCAL) REAL FUNCTION foo(x)
  • REAL x(:)
  • !HPF$ DISTRIBUTE x(BLOCK)
3 On the callee side:
  • - Implicit interface (FORTRAN 77 doesn't have explicit interfaces)
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