Basic HTML version of Foils prepared 16 Sept 1995

Foil 35 FORALL Statement in HPF

From HPFtutorial CPS615 Basic Simulation Track for Computational Science -- Fall Semester 95. by Geoffrey C. Fox(Tomasz Haupt)
1 A very important extension to Fortran 90 and defines one class of parallel DO loop
2 It relaxes the restriction that operands of the rhs expressions must be conformable with the lhs array
3 It may be masked with a scalar logical expression (extension to WHERE)
4 A FORALL statement may call user-defined (PURE) functions on the elements of an array, simulating Fortran 90 elemental function invocation (albeit with a different syntax)
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© on Tue Oct 7 1997