[petsc-users] PETSC3.2 and MUMPS 4.10.0 slower than PETSC3.1 and MUMPS 4.9.2

[Hong Zhang]

You may try slepc-dev http://www.grycap.upv.es/slepc/download/download.htm

Hong

On Mon, Jun 25, 2012 at 2:24 AM, Andreas Hauffe <
andreas.hauffe at tu-dresden.de> wrote:

> Wow, you are right. I hadn't done this, because I wanted to wait for slepc
> 3.3.
>
> Andreas
>
> Am Freitag, 22. Juni 2012, 09:19:01 schrieb John Fettig:
> > My experience is that PETSc 3.3 with MUMPS 4.10.0 is faster than
> > either of these, so I think you should try updating.
> >
> > John
> >
> > On Fri, Jun 22, 2012 at 7:52 AM, Andreas Hauffe
> >
> > <andreas.hauffe at tu-dresden.de> wrote:
> > > Hi,
> > >
> > > during a timing test I noticed that PETSC3.2/MUMPS4.10.0 takes twice
> the
> > > time to solve a linear system compared to PETSC3.1/MUMPS4.9.2. In both
> > > cases I use the same configure options to compile PETSC and the MUMPS
> > > was downloaded during the compilation of PETSC. Did someone else get
> > > such a difference for the calculation time or can someone tell me what
> > > happens?
> > >
> > > --
> > > Best regards
> > > Andreas Hauffe
> > > Leiter der Arbeitsgruppe "Auslegungsmethoden für Luftfahrzeuge"
> > >
> > >
> ------------------------------------------------------------------------
> > > ---------------------------- Technische Universität Dresden
> > > Institut für Luft- und Raumfahrttechnik / Institute of Aerospace
> > > Engineering Lehrstuhl für Luftfahrzeugtechnik / Chair of Aircraft
> > > Engineering
> > >
> > > D-01062 Dresden
> > > Germany
> > >
> > > phone : +49 (351) 463 38496
> > > fax :  +49 (351) 463 37263
> > > mail : andreas.hauffe at tu-dresden.de
> > > Website : http://tu-dresden.de/mw/ilr/lft
> > >
> ------------------------------------------------------------------------
> > > ----------------------------
> --
> Leiter der Arbeitsgruppe "Auslegungsmethoden für Luftfahrzeuge"
>
>
> ----------------------------------------------------------------------------------------------------
> Technische Universität Dresden
> Institut für Luft- und Raumfahrttechnik / Institute of Aerospace
> Engineering
> Lehrstuhl für Luftfahrzeugtechnik / Chair of Aircraft Engineering
>
> D-01062 Dresden
> Germany
>
> phone : +49 (351) 463 38496
> fax :  +49 (351) 463 37263
> mail : andreas.hauffe at tu-dresden.de
> Website : http://tu-dresden.de/mw/ilr/lft
>
> ----------------------------------------------------------------------------------------------------
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120625/5ab3f90f/attachment-0001.html>