MatSTRUMPACKSetCompMinSepSize#
Set STRUMPACK https://portal.nersc.gov/project/sparse/strumpack/master minimum separator size for low-rank approximation
Synopsis#
#include "petscmat.h" 
PetscErrorCode MatSTRUMPACKSetCompMinSepSize(Mat F, PetscInt min_sep_size)
Logically Collective
Input Parameters#
- F - the factored matrix obtained by calling - MatGetFactor()from PETSc-STRUMPACK interface
- min_sep_size - minimum dense matrix size for low-rank approximation 
Options Database Key#
- -mat_strumpack_compression_min_sep_size <min_sep_size> - Minimum size of dense sub-block for low-rank compression 
See Also#
MATSOLVERSTRUMPACK, MatGetFactor(), MatSTRUMPACKGetCompMinSepSize()
Level#
intermediate
Location#
Examples#
Implementations#
MatSTRUMPACKSetCompMinSepSize_STRUMPACK() in src/mat/impls/aij/mpi/strumpack/strumpack.c
Index of all Mat routines
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Index of all manual pages