On Fri, Mar 13, 2009 at 6:03 AM, RenZhengYong <renzhengyong at gmail.com>wrote:
> Dear petsc team, > > I known your excellent codes several months ago. I want to use Mumps as > direct solver for multi-sources problem and BoomerAMG for real-value based > iterative solver. I went though the doc of the petsc. It showed that petsc > offered a easy and top interface to these two packages. So, I think if I > chose the petsc as my tools, the coding work should be easier for me as only > data structure of petsc should be leaned, not one for Mumps and one for > Hypre. > > Am I right? can pestc do the work Mumps and BloomAMG do? I want to get > your confirm on my decision. As you said, sometimes it is important to make > a correct decision and also to learn petsc should not be a short way. If > petsc really do the fast direct solving and fast algebra multigrid > algorithms by Mumps and BloomAMG, respectively, I think PESTC should > definitely be the first choice for my following PhD project. Yes, PETSc provides a uniform interface to both BoomerAMG and MUMPS. You must indicate during configure that you want both packages (--download-mumps --download-hypre) and then they are available as a mat_solver_package and a PC if you build an AIJ matrix. Thanks, Matt > > Best regards, > > Zhengyong > > > -- > Zhengyong Ren > AUG Group, Institute of Geophysics > Department of Geoscience > NO H 47 Sonneggstrasse 5 > CH-8092, Z?rich, Switzerland > Tel: +41 44 633 37561 > e-mail: renzh at ethz.ch > Gmail: renzhengyong at gmail.com > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20090313/55ecf50a/attachment.htm>