[petsc-users] Rock & Hard Place with SuperLU

Jed Brown jedbrown at mcs.anl.gov
Mon Jan 28 15:42:23 CST 2013


Send -ksp_monitor_true_residual -ksp_view output for both cases so we can
try to identify the source of the different convergence behavior.


On Mon, Jan 28, 2013 at 3:37 PM, Brian Helenbrook <bhelenbr at clarkson.edu>wrote:

> Dear Petsc-Users-List,
>
> I recently upgraded to petsc3.3-p5 from petsc3.2-p7 and the results from
> my code have changed.  I am using superLU with the following options:
>
> -ksp_type preonly -pc_type lu -pc_factor_mat_solver_package superlu_dist
>
> Everything was working with petsc3.2 but now I get totally different
> answers and the iteration doesn't converge.   My build configuration is
>
> ./config/configure.py --prefix=${HOME}/Packages --with-fortran=0
>  --download-superlu_dist=1 --with-x=0 --download-parmetis=1
> --download-metis=1 --with-mpi-dir=${HOME}/Packages
> --with-valgrind-dir=${HOME}/Packages
>
> I am running on OS X 10.8.2 with openmpi-1.6.3.
>
> I have run valgrind on my code and it is clean (except for start-up issues
> with mpi which occur before my code is entered.)
>
> I'm not very sure how to go about debugging this.   What I've tried is to
> re-install pets-3.2-p7, but now I am having trouble getting that to build:
>
> ./config/configure.py --prefix=${HOME}/Packages --with-fortran=0
>  --download-superlu_dist=1 --with-x=0 --download-parmetis=1
> --download-metis=1 --with-mpi-dir=${HOME}/Packages
> --with-valgrind-dir=${HOME}/Packages
>
> ===============================================================================
>              Configuring PETSc to compile on your system
>
> ===============================================================================
>
> ===============================================================================
> Compiling & installing Metis; this may take several minutes
> ===============================================================================
>
>
> *******************************************************************************
>          UNABLE to CONFIGURE with GIVEN OPTIONS    (see configure.log for
> details):
>
> -------------------------------------------------------------------------------
> Error running make on Metis: Could not execute "cd
> /Users/bhelenbr/Packages/petsc-3.2-p7/externalpackages/metis-4.0.3 && make
> clean && make library && make minstall && make clean":
>
>
> Any ideas what direction to go with this?
>
> Thanks,
>
> Brian
>
>
>
> Brian Helenbrook
> Associate Professor
> 362 CAMP
> Mech. and Aero. Eng. Dept.
> Clarkson University
> Potsdam, NY 13699-5725
>
> work: 315-268-2204
> fax: 315-268-6695
>
>
>
>
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