PetscSFSetUpRanks#

Set up data structures associated with ranks; this is for internal use by PetscSF implementations.

Synopsis#

#include "petscsf.h" 
PetscErrorCode PetscSFSetUpRanks(PetscSF sf, MPI_Group dgroup)

Collective

Input Parameters#

  • sf - PetscSF to set up; PetscSFSetGraph() must have been called

  • dgroup - MPI_Group of ranks to be distinguished (e.g., for self or shared memory exchange)

See Also#

PetscSF, PetscSFGetRootRanks()

Level#

developer

Location#

src/vec/is/sf/interface/sf.c

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Index of all PetscSF routines
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Index of all manual pages