petsc-3.11.2 2019-05-18
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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 Arguments

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

PetscSFGetRanks()

Level

developer

Location

src/vec/is/sf/interface/sf.c
Index of all PetscSF routines
Table of Contents for all manual pages
Index of all manual pages