petsc-3.12.5 2020-03-29
Report Typos and Errors

PetscSFBcastAndOpEnd

end a broadcast & reduce operation started with PetscSFBcastAndOpBegin()

Synopsis

#include "petscsf.h" 
PetscErrorCode PetscSFBcastAndOpEnd(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/examples/tutorials/ex1.c.html

Implementations

PetscSFBcastAndOpEnd_Allgatherv in src/vec/is/sf/impls/basic/allgatherv/sfallgatherv.c
PetscSFBcastAndOpEnd_Basic in src/vec/is/sf/impls/basic/sfbasic.c
PetscSFBcastAndOpEnd_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