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 f?r Luftfahrzeuge" > > ---------------------------------------------------------------------------------------------------- > Technische Universit?t Dresden > Institut f?r Luft- und Raumfahrttechnik / Institute of Aerospace Engineering > Lehrstuhl f?r 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 > ----------------------------------------------------------------------------------------------------
