PCILUSetReuseFill

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

Synopsis

int PCILUSetReuseFill(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_ilu_reuse_fill -Activates PCILUSetReuseFill()

Keywords

PC, levels, reordering, factorization, incomplete, ILU

See Also

PCILUSetReuseReordering()

Location: src/pc/impls/ilu/ilu.c
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