MatSTRUMPACKSetCompLeafSize

Set STRUMPACK https://portal.nersc.gov/project/sparse/strumpack/master leaf size for HSS, BLR, HODLR…

Synopsis

#include "petscmat.h" 
PetscErrorCode MatSTRUMPACKSetCompLeafSize(Mat F, PetscInt leaf_size)

Logically Collective

Input Parameters

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

• leaf_size - Size of diagonal blocks in rank-structured approximation

Options Database Key

• -mat_strumpack_compression_leaf_size - Size of diagonal blocks in rank-structured approximation, when using -pctype ilu

See Also

MATSOLVERSTRUMPACK, Matrices, Mat, MatGetFactor(), MatSTRUMPACKGetCompLeafSize(), MatSTRUMPACKSetReordering(), MatSTRUMPACKSetColPerm()

Level

intermediate

Location

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

Examples

src/ksp/ksp/tutorials/ex52.c

Implementations

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

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