petsc-3.14.6 2021-03-30
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MatSTRUMPACKSetHSSMinSepSize

Set STRUMPACK minimum separator size for low-rank approximation Logically Collective on Mat

Synopsis

#include "petscmat.h" 
PetscErrorCode MatSTRUMPACKSetHSSMinSepSize(Mat F,PetscInt hssminsize)

Input Parameters

F - the factored matrix obtained by calling MatGetFactor() from PETSc-STRUMPACK interface
hssminsize - minimum dense matrix size for low-rank approximation

Options Database

-mat_strumpack_hss_min_sep_size <hssminsize>

References

STRUMPACK manual

See Also

MatGetFactor()

Level

beginner

Location

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

Examples

src/ksp/ksp/tutorials/ex52.c.html

Implementations

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

Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages