dolfin team mailing list archive

Thread
Date

Re: [Question #117976]: Reuse LU factorization with PETSc?

To: dolfin@xxxxxxxxxxxxxxxxxxx
From: Garth Wells <question117976@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 16 Jul 2010 21:33:26 -0000
Reply-to: question117976@xxxxxxxxxxxxxxxxxxxxx
Sender: bounces@xxxxxxxxxxxxx

Question #117976 on DOLFIN changed:
https://answers.launchpad.net/dolfin/+question/117976

Garth Wells proposed the following answer:

On 16/07/10 22:27, Nuno Lopes wrote:
> Question #117976 on DOLFIN changed:
> https://answers.launchpad.net/dolfin/+question/117976
>
> Nuno Lopes posted a new comment:
> No luke for me.
> Updated dolfin but still the same results.
>
> Is it suppose to have some different outputs from the  solver?
> In the uBLAS interface there is an output for the factorizing step.
>

No. PETSc takes care of re-using the factorization, so we can't easily 
get output when the factorization is being performed.

Garth

> I just get
> 'Solving linear system of size 2868 x 2868 (PETSc LU solver, umfpack)'
> No factorization output anywhere.
>

-- 
You received this question notification because you are a member of
DOLFIN Team, which is an answer contact for DOLFIN.