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

[Andreas Hauffe]

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
----------------------------------------------------------------------------------------------------