PetscSubcommCreate#

Create a PetscSubcomm context. This object is used to manage the division of a MPI_Comm into subcommunicators

Synopsis#

#include "petscsys.h"    
PetscErrorCode PetscSubcommCreate(MPI_Comm comm, PetscSubcomm *psubcomm)

Collective

Input Parameter#

  • comm - MPI communicator

Output Parameter#

See Also#

PetscSubcomm, PetscSubcommDestroy(), PetscSubcommSetTypeGeneral(), PetscSubcommSetFromOptions(), PetscSubcommSetType(), PetscSubcommSetNumber()

Level#

advanced

Location#

src/sys/objects/subcomm.c

Examples#

src/ksp/ksp/tutorials/ex73.c


Index of all Sys routines
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Index of all manual pages