PetscSFOperation#

Identifies the high-level operation being performed by a PetscSF communication

Synopsis#

typedef enum {
  PETSCSF_BCAST  = 0,
  PETSCSF_REDUCE = 1,
  PETSCSF_FETCH  = 2
} PetscSFOperation;

Values#

PETSCSF_BCAST - broadcast from roots to leaves
PETSCSF_REDUCE - reduce from leaves to roots with an MPI_Op
PETSCSF_FETCH - fetch-and-op: each leaf receives the current root value and contributes its own

See Also#

PetscSF - an alternative to low-level MPI calls for data communication, PetscSF, PetscSFDirection, PetscSFBcastBegin(), PetscSFReduceBegin(), PetscSFFetchAndOpBegin()

Level#

developer

Location#

include/petscsftypes.h

Index of all PetscSF routines
Table of Contents for all manual pages
Index of all manual pages