Basic HTML version of Foils prepared 17 Sept 1996

Foil 76 ON HOME for Computation Placement

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
!HPF$ INDEPENDENT
DO i = 1 , n
  • !HPF$ ON HOME( ix(i) )
  • x(i) = y(ix(i)) - y(iy(i))
END DO
This modifies the owner computes rule by specifying that computation will not be performed on processor owning left hand side
ON HOME is an approved extension

© on Tue Oct 7 1997