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 Parameters#

  • sf - star forest

  • unit - data type

  • rootdata - buffer to broadcast

  • op - operation to use for reduction

Output Parameter#

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

See Also#

PetscSF, 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/ex1f.F90.html
src/vec/is/sf/tutorials/ex2.c.html
src/vec/is/sf/tutorials/ex3.c.html
src/dm/impls/plex/tutorials/ex14.c.html
src/ts/tutorials/ex11_sa.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


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