DMPlexDistribute

Distributes the mesh and any associated sections.

Synopsis

#include "petscdmplex.h"   
#include "petscdmlabel.h"  
PetscErrorCode DMPlexDistribute(DM dm, PetscInt overlap, PetscSF *sf, DM *dmParallel)

Collective

Input Parameters

• dm - The original DMPLEX object

• overlap - The overlap of partitions, 0 is the default

Output Parameters

• sf - The PetscSF used for point distribution, or NULL if not needed

• dmParallel - The distributed DMPLEX object

Note

If the mesh was not distributed, the output dmParallel will be NULL.

The user can control the definition of adjacency for the mesh using DMSetAdjacency(). They should choose the combination appropriate for the function representation on the mesh.

See Also

DMPLEX, DM, DMPlexCreate(), DMSetAdjacency(), DMPlexGetOverlap()

Level

intermediate

Location

src/dm/impls/plex/plexdistribute.c

Examples

src/dm/label/tutorials/ex1.c
src/dm/label/tutorials/ex1f90.F90
src/dm/tutorials/ex20.c
src/ts/tutorials/ex11_sa.c
src/ts/tutorials/ex30.c
src/dm/tutorials/ex21.c

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