Basic HTML version of Foils prepared 17 Sept 1996

Foil 48 Subprograms in HPF

From New CPS615HPF and Fortran90 Discussion Sept 17 96 Basic Simulation Track for Computational Science CPS615 -- Fall Semester 96. by Geoffrey C. Fox, Tom Haupt


1 Scope of any mapping directives is a single (sub)program unit
2 A template or distribution is not a first-class Fortran 90 object:
3 It cannot be passed as a subprogram argument and this creates significant complication!
4 HPF Compiler will typically pass an extra argument which is effectively an array-descriptor telling subroutine about distribution of passed arrays
5 One can use array query intrinsics to find out what is going on but of course compiler does this implicitly

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© on Tue Oct 7 1997