MatSTRUMPACKSetHSSLeafSize#

Set STRUMPACK HSS leaf size

Synopsis#

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

Logically Collective on F

Input Parameters#

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

  • leaf_size - Size of diagonal blocks in HSS approximation

Options Database Key#

  • -mat_strumpack_leaf_size - Size of diagonal blocks in HSS approximation, when using pctype ilu (None)

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#

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