MatPartitioningApplyND#
Gets a nested dissection partitioning for a matrix.
Synopsis#
#include "petscmat.h"
PetscErrorCode MatPartitioningApplyND(MatPartitioning matp, IS *partitioning)
Collective
Input Parameter#
matp - the matrix partitioning object
Output Parameter#
partitioning - the partitioning. For each local node, a positive value indicates the processor number the node has been assigned to. Negative x values indicate the separator level -(x+1).
Note#
The user can define additional partitionings; see MatPartitioningRegister().
See Also#
Matrices, Mat, MatPartitioningRegister(), MatPartitioningCreate(),
MatPartitioningDestroy(), MatPartitioningSetAdjacency(), ISPartitioningToNumbering(),
ISPartitioningCount()
Level#
intermediate
Location#
Implementations#
MatPartitioningApplyND_Parmetis() in src/mat/partition/impls/pmetis/pmetis.c
MatPartitioningApplyND_PTScotch() in src/mat/partition/impls/scotch/scotch.c
Index of all MatOrderings routines
Table of Contents for all manual pages
Index of all manual pages