PCLUSetReuseFill

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

Synopsis

int PCLUSetReuseFill(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_lu_reuse_fill -Activates PCLUSetReuseFill()

Keywords

PC, levels, reordering, factorization, incomplete, LU

See Also

PCILUSetReuseOrdering(), PCLUSetReuseOrdering(), PCILUSetReuseFill()

Level:intermediate
Location:src/sles/pc/impls/lu/lu.c
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