PCFactorSetReuseFill#
When matrices with different nonzero structure are factored, this causes later ones to use the fill ratio computed in the initial factorization.
Synopsis#
#include "petscpc.h"
PetscErrorCode PCFactorSetReuseFill(PC pc, PetscBool flag)
Logically Collective
Input Parameters#
pc - the preconditioner context
flag -
PETSC_TRUE
to reuse elsePETSC_FALSE
Options Database Key#
-pc_factor_reuse_fill - Activates
PCFactorSetReuseFill()
See Also#
KSP: Linear System Solvers, PCLU
, PCCHOLESKY
, PCILU
, PCICC
, PCFactorSetReuseOrdering()
, PCFactorSetFill()
Level#
intermediate
Location#
Implementations#
PCFactorSetReuseFill_Factor() in src/ksp/pc/impls/factor/factor.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages