DMPlexDistributeOwnership#

Compute owner information for shared points. This basically gets two-sided for an SF.

Synopsis#

#include "petscdmplex.h"   
#include "petscdmlabel.h"  
PetscErrorCode DMPlexDistributeOwnership(DM dm, PetscSection rootSection, IS *rootrank, PetscSection leafSection, IS *leafrank)

Collective

Input Parameter#

  • dm - The DM

Output Parameters#

  • 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

See Also#

DMPLEX, DMPlexCreateOverlapLabel(), DMPlexDistribute(), DMPlexDistributeOverlap()

Level#

developer

Location#

src/dm/impls/plex/plexdistribute.c

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