MatSTRUMPACKSetReordering

Set STRUMPACK https://portal.nersc.gov/project/sparse/strumpack/master fill-reducing reordering

Synopsis

PetscErrorCode MatSTRUMPACKSetReordering(Mat F, MatSTRUMPACKReordering reordering)

Logically Collective

Input Parameters

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

• reordering - the code to be used to find the fill-reducing reordering

Options Database Key

• -mat_strumpack_reordering (natural|metis|parmetis|scotch|ptscotch|rcm|geometric|amd|mmd|and|mlf|spectral) - Sparsity reducing matrix reordering, see MatSTRUMPACKReordering

See Also

MATSOLVERSTRUMPACK, Matrices, Mat, MatSTRUMPACKReordering, MatGetFactor(), MatSTRUMPACKSetColPerm(), MatSTRUMPACKGetReordering()

Level

intermediate

Location

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

Examples

src/ksp/ksp/tutorials/ex52.c

Implementations

MatSTRUMPACKSetReordering_STRUMPACK() in src/mat/impls/aij/mpi/strumpack/impl/istrumpack.c

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