MatSTRUMPACKSetCompLossyPrecision#
Set STRUMPACK https://portal.nersc.gov/project/sparse/strumpack/master precision for lossy compression (requires ZFP support)
Synopsis#
#include "petscmat.h" 
PetscErrorCode MatSTRUMPACKSetCompLossyPrecision(Mat F, PetscInt lossy_prec)
Logically Collective
Input Parameters#
- F - the factored matrix obtained by calling - MatGetFactor()from PETSc-STRUMPACK interface
- lossy_prec - Number of bitplanes to use in lossy compression 
Options Database Key#
- -mat_strumpack_compression_lossy_precision <lossy_prec> - Precision when using lossy compression [1-64], when using - -pctype ilu -mat_strumpack_compression MAT_STRUMPACK_COMPRESSION_TYPE_LOSSY
See Also#
MATSOLVERSTRUMPACK, MatGetFactor(), MatSTRUMPACKGetCompLossyPrecision()
Level#
intermediate
Location#
Implementations#
MatSTRUMPACKSetCompLossyPrecision_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