PetscSFBcastWithMemTypeBegin#

begin pointwise broadcast with root value being reduced to leaf value with explicit memory types, to be concluded with call to PetscSFBcastEnd()

Synopsis#

#include "petscsf.h" 
PetscErrorCode PetscSFBcastWithMemTypeBegin(PetscSF sf, MPI_Datatype unit, PetscMemType rootmtype, const void *rootdata, PetscMemType leafmtype, void *leafdata, MPI_Op op)

Collective

Input Parameters#

  • sf - star forest on which to communicate

  • unit - data type associated with each node

  • rootmtype - memory type of rootdata

  • rootdata - buffer to broadcast

  • leafmtype - memory type of leafdata

  • op - operation to use for reduction

Output Parameter#

  • leafdata - buffer to be reduced with values from each leaf’s respective root

See Also#

PetscSF, PetscSFBcastEnd(), PetscSFBcastBegin()

Level#

intermediate

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