petsc-3.6.4 2016-04-12

MatPartitioningApply

Gets a partitioning for a matrix.

#include "petscmat.h" 
PetscErrorCode  MatPartitioningApply(MatPartitioning matp,IS *partitioning)

Collective on Mat

matp -the matrix partitioning object

partitioning -the partitioning. For each local node this tells the processor number that that node is assigned to.

To specify the partitioning through the options database, use one of the following

   -mat_partitioning_type parmetis, -mat_partitioning current

To see the partitioning result

   -mat_partitioning_view

The user can define additional partitionings; see MatPartitioningRegister().

matrix, get, partitioning