petsc-3.15.0 2021-04-05
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PetscSFBcastEnd

end a broadcast & reduce operation started with PetscSFBcastBegin()

Synopsis

#include "petscsf.h" 
PetscErrorCode PetscSFBcastEnd(PetscSF sf,MPI_Datatype unit,const void *rootdata,void *leafdata,MPI_Op op)
Collective

Input Arguments

sf - star forest
unit - data type
rootdata - buffer to broadcast
op - operation to use for reduction

Output Arguments

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

See Also

PetscSFSetGraph(), PetscSFReduceEnd()

Level

intermediate

Location

src/vec/is/sf/interface/sf.c

Examples

src/vec/is/sf/tutorials/ex1.c.html
src/vec/is/sf/tutorials/ex2.c.html
src/vec/is/sf/tutorials/ex1f.F90.html
src/ts/tutorials/ex11.c.html

Implementations

PetscSFBcastEnd_Basic in src/vec/is/sf/impls/basic/sfbasic.c
PetscSFBcastEnd_Window in src/vec/is/sf/impls/window/sfwindow.c

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