MatSTRUMPACKSetCompression#
Set STRUMPACK https://portal.nersc.gov/project/sparse/strumpack/master compression type
Synopsis#
#include "petscmat.h"
PetscErrorCode MatSTRUMPACKSetCompression(Mat F, MatSTRUMPACKCompressionType comp)
Input Parameters#
F - the factored matrix obtained by calling
MatGetFactor()from PETSc-STRUMPACK interfacecomp - Type of compression to be used in the approximate sparse factorization
Options Database Key#
-mat_strumpack_compression
- Type of rank-structured compression in sparse LU factors (choose one of) NONE HSS BLR HODLR BLR_HODLR ZFP_BLR_HODLR LOSSLESS LOSSY
Note#
Default for comp is MAT_STRUMPACK_COMPRESSION_TYPE_NONE for -pc_type lu and MAT_STRUMPACK_COMPRESSION_TYPE_BLR
for -pc_type ilu
See Also#
MATSOLVERSTRUMPACK, MatGetFactor(), MatSTRUMPACKCompressionType, MatSTRUMPACKGetCompression()
Level#
intermediate
Location#
Implementations#
MatSTRUMPACKSetCompression_STRUMPACK() in src/mat/impls/aij/mpi/strumpack/strumpack.c
Index of all Mat routines
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Index of all manual pages