petsc-master 2020-10-19
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DMPlexPartitionLabelInvert

Create a partition label of remote roots from a local root label

Synopsis

#include "petscdmplex.h"   
PetscErrorCode DMPlexPartitionLabelInvert(DM dm, DMLabel rootLabel, PetscSF processSF, DMLabel leafLabel)

Input Parameters

dm - The DM
rootLabel - DMLabel assinging ranks to local roots
processSF - A star forest mapping into the local index on each remote rank

Output Parameter

leafLabel - DMLabel assinging ranks to remote roots

Note: The rootLabel defines a send pattern by mapping local points to remote target ranks. The resulting leafLabel is a receiver mapping of remote roots to their parent rank.

See Also

DMPlexPartitionLabelCreateSF(), DMPlexDistribute(), DMPlexCreateOverlap()

Level

developer

Location

src/dm/impls/plex/plexpartition.c
Index of all DMPLEX routines
Table of Contents for all manual pages
Index of all manual pages