Set up data structures associated with ranks; this is for internal use by PetscSF implementations.
PetscErrorCode PetscSFSetUpRanks(PetscSF sf,MPI_Group dgroup)
|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)
Index of all PetscSF routines
Table of Contents for all manual pages
Index of all manual pages