PETSc version 3.15.4
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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 on PetscSF

Input Arguments

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 Arguments

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

See Also

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