MatPartitioningApply#
Gets a partitioning for the graph represented by a sparse matrix.
Synopsis#
#include "petscmat.h"
PetscErrorCode MatPartitioningApply(MatPartitioning matp, IS *partitioning)
Collective
Input Parameter#
matp - the matrix partitioning object
Output Parameter#
partitioning - the partitioning. For each local node this tells the MPI rank that that node is assigned to.
Options Database Keys#
-mat_partitioning_type
- set the partitioning package or algorithm to use-mat_partitioning_view - display information about the partitioning object
The user can define additional partitionings; see MatPartitioningRegister().
See Also#
Matrices, Mat, MatPartitioning, MatPartitioningType, MatPartitioningRegister(), MatPartitioningCreate(),
MatPartitioningDestroy(), MatPartitioningSetAdjacency(), ISPartitioningToNumbering(),
ISPartitioningCount()
Level#
beginner
Location#
Examples#
src/mat/tutorials/ex17.c
src/ksp/ksp/tutorials/ex64.c
src/mat/tutorials/ex15f.F90
src/mat/tutorials/ex11.c
src/mat/tutorials/ex15.c
src/mat/tutorials/ex17f.F90
Implementations#
MatPartitioningApply_Chaco() in src/mat/graphops/partition/impls/chaco/chaco.c
MatPartitioningApply_Hierarchical() in src/mat/graphops/partition/impls/hierarchical/hierarchical.c
MatPartitioningApply_Party() in src/mat/graphops/partition/impls/party/party.c
MatPartitioningApply_Parmetis() in src/mat/graphops/partition/impls/pmetis/pmetis.c
MatPartitioningApply_PTScotch() in src/mat/graphops/partition/impls/scotch/scotch.c
Index of all MatGraphOperations routines
Table of Contents for all manual pages
Index of all manual pages