MatSTRUMPACKSetGeometricWidth

Set STRUMPACK https://portal.nersc.gov/project/sparse/strumpack/master width of the separator, for use with GEOMETRIC ordering.

Synopsis

#include "petscmat.h" 
PetscErrorCode MatSTRUMPACKSetGeometricWidth(Mat F, PetscInt w)

Logically Collective

Input Parameters

• F - the factored matrix obtained by calling MatGetFactor() from PETSc-STRUMPACK interface

• w - width of the separator

Options Database Key

• -mat_strumpack_geometric_width <1> - Width of the separator of the mesh, for geometric nested dissection ordering

See Also

MATSOLVERSTRUMPACK, MatGetFactor()

Level

intermediate

Location

src/mat/impls/aij/mpi/strumpack/strumpack.c

Examples

src/ksp/ksp/tutorials/ex52.c

Implementations

MatSTRUMPACKSetGeometricWidth_STRUMPACK() in src/mat/impls/aij/mpi/strumpack/strumpack.c

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