PCCholeskySetReuseFill

When matrices with same nonzero structure are Cholesky factored, this causes later ones to use the fill computed in the initial factorization.

Synopsis

#include "petscpc.h" 
int PCCholeskySetReuseFill(PC pc,PetscTruth flag)
Collective on PC

Input Parameters

pc - the preconditioner context
flag - PETSC_TRUE to reuse else PETSC_FALSE

Options Database Key

-pc_cholesky_reuse_fill -Activates PCCholeskySetReuseFill()

Keywords

PC, levels, reordering, factorization, incomplete, Cholesky

See Also

PCICholeskySetReuseOrdering(), PCCholeskySetReuseOrdering(), PCICholeskyDTSetReuseFill()

Level:intermediate
Location:
src/sles/pc/impls/cholesky/cholesky.c
Index of all PC routines
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Index of all manual pages