PETSc version 3.15.5
PetscSFReduceEnd
end a reduction operation started with PetscSFReduceBegin()
Synopsis
#include "petscsf.h"
PetscErrorCode PetscSFReduceEnd(PetscSF sf,MPI_Datatype unit,const void *leafdata,void *rootdata,MPI_Op op)
Collective
Input Arguments
| sf | - star forest
|
| unit | - data type
|
| leafdata | - values to reduce
|
| op | - reduction operation
|
Output Arguments
| rootdata | - result of reduction of values from all leaves of each root
|
See Also
PetscSFSetGraph(), PetscSFBcastEnd()
Level
intermediate
Location
src/vec/is/sf/interface/sf.c
Examples
src/vec/is/sf/tutorials/ex1.c.html
Implementations
PetscSFReduceEnd_Basic in src/vec/is/sf/impls/basic/sfbasic.c
PetscSFReduceEnd_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