DMGlobalToLocal#

update local vectors from global vector

Synopsis#

#include "petscdm.h"          
#include "petscdmlabel.h"     
#include "petscds.h"     
PetscErrorCode DMGlobalToLocal(DM dm, Vec g, InsertMode mode, Vec l)

Neighbor-wise Collective

Input Parameters#

Notes#

The communication involved in this update can be overlapped with computation by instead using DMGlobalToLocalBegin() and DMGlobalToLocalEnd().

DMGlobalToLocalHookAdd() may be used to provide additional operations that are performed during the update process.

See Also#

DM Basics, DM, DMGlobalToLocalHookAdd(), DMCoarsen(), DMDestroy(), DMView(), DMCreateGlobalVector(), DMCreateInterpolation(), DMGlobalToLocalEnd(), DMLocalToGlobalBegin(), DMLocalToGlobal(), DMLocalToGlobalEnd(), DMGlobalToLocalBegin() DMGlobalToLocalEnd()

Level#

beginner

Location#

src/dm/interface/dm.c

Examples#

src/dm/impls/stag/tutorials/ex6.c
src/dm/impls/stag/tutorials/ex1.c
src/ts/tutorials/ex30.c
src/dm/tutorials/ex2.c
src/dm/impls/stag/tutorials/ex4.c
src/ts/tutorials/ex45.c
src/snes/tutorials/ex11.c
src/dm/impls/stag/tutorials/ex3.c
src/snes/tutorials/ex3k.kokkos.cxx


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