HTML version of Scripted Foils prepared 18 March 97

Foil 13 Sample HPF and
DAGH codes

From MPI HPF and DAGH for Parallelization of Black Hole Codes SIAM Workshop Minneapolis "Is Message Passing Obsolete" -- 16 March 97. by Scott Klasky, Tom Haupt, Geoffrey C. Fox *
1 These are for different parts of UNIGRID codes
2 HPF diff subroutine calculates differentials
3 DAGH is sample solver
  • GridHierarchy to end_forall are all DAGH commands setting up the Grid hierarchy and involking solver
  • MaxLev=1 in UNIGRID case
  • f_inverse is C++ function that calls Fortran t2_inverse
  • inverse is original Fortran77 solver invoked by DAGH with grids set up with suitable Ghost regions so one can use original sequential Fortran code
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