DMPlexCreateOverlapLabel#

Compute a label indicating what overlap points should be sent to new processes

Synopsis#

#include "petscdmplex.h"   
#include "petscdmlabel.h"  
PetscErrorCode DMPlexCreateOverlapLabel(DM dm, PetscInt levels, PetscSection rootSection, IS rootrank, PetscSection leafSection, IS leafrank, DMLabel *ovLabel)

Collective

Input Parameters#

dm - The DM
levels - Number of overlap levels
rootSection - The number of leaves for a given root point
rootrank - The rank of each edge into the root point
leafSection - The number of processes sharing a given leaf point
leafrank - The rank of each process sharing a leaf point

Output Parameter#

ovLabel - DMLabel containing remote overlap contributions as point/rank pairings

See Also#

DMPLEX, DMPlexCreateOverlapLabelFromLabels(), DMPlexGetAdjacency(), DMPlexDistributeOwnership(), DMPlexDistribute()

Level#

developer

Location#

src/dm/impls/plex/plexdistribute.c

Index of all DMPlex routines
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Index of all manual pages