[petsc-dev] corrupted ta->count with GAMG

Thu Oct 25 10:24:58 CDT 2012

On Oct 25, 2012, at 7:30 AM, John Mousel <john.mousel at gmail.com> wrote:

> That was my first thought as well. I was hoping the changes he made would have brought down GAMG's setup cost some as right now GAMG isn't competetive with ML because my matrix numbering changes every time step.

Yes, our setup times need work.

> I get much better performance from GAMG after the setup phase...unfortunately that does me no good!

ML can get the same performance as GAMG, they are very similar algorithms.  Are your convergence rates better or is the timing just better?

> 
> John
> 
> On Thu, Oct 25, 2012 at 9:23 AM, Mark F. Adams <mark.adams at columbia.edu> wrote:
> The problem is detected in MatTranspose and Jed was messing with this a few weeks ago ...
> 
> 
> On Oct 25, 2012, at 6:48 AM, John Mousel <john.mousel at gmail.com> wrote:
> 
>> Mark,
>> 
>> Yes, this worked before pulling. I hadn't pulled on that machine in a few weeks though.
>> 
>> John
>> 
>> On Thu, Oct 25, 2012 at 1:18 AM, Mark F. Adams <mark.adams at columbia.edu> wrote:
>> Did this work before the pull?
>> 
>> Mark
>> 
>> On Oct 24, 2012, at 8:04 PM, John Mousel <john.mousel at gmail.com> wrote:
>> 
>> > I just pulled and I'm getting the error below when running with GAMG.
>> >
>> > [20]PETSC ERROR: --------------------- Error Message ------------------------------------
>> > [20]PETSC ERROR: Corrupted Petsc object!
>> > [20]PETSC ERROR: corrupted ta->count!
>> > [20]PETSC ERROR: ------------------------------------------------------------------------
>> > [20]PETSC ERROR: Petsc Development HG revision: 2b3cccd7bd8ff536f48616e4402b164ba9cd12d0  HG Date: Wed Oct 24 21:15:30 2012 -0500
>> > [20]PETSC ERROR: See docs/changes/index.html for recent updates.
>> > [73]PETSC ERROR: [20]PETSC ERROR: --------------------- Error Message ------------------------------------
>> > See docs/faq.html for hints about trouble shooting.
>> > [73]PETSC ERROR: [20]PETSC ERROR: See docs/index.html for manual pages.
>> > Corrupted Petsc object!
>> > [20]PETSC ERROR: [73]PETSC ERROR: ------------------------------------------------------------------------
>> > corrupted ta->count!
>> > [253]PETSC ERROR: --------------------- Error Message ------------------------------------
>> > [253]PETSC ERROR: Corrupted Petsc object!
>> > [253]PETSC ERROR: corrupted ta->count!
>> > [253]PETSC ERROR: ------------------------------------------------------------------------
>> > [253]PETSC ERROR: Petsc Development HG revision: 2b3cccd7bd8ff536f48616e4402b164ba9cd12d0  HG Date: Wed Oct 24 21:15:30 2012 -0500
>> > [253]PETSC ERROR: See docs/changes/index.html for recent updates.
>> > [253]PETSC ERROR: See docs/faq.html for hints about trouble shooting.
>> > [253]PETSC ERROR: See docs/index.html for manual pages.
>> > [253]PETSC ERROR: ------------------------------------------------------------------------
>> > [253]PETSC ERROR: /nfsscratch/Users/jmousel/MHV/MHV_exe on a intel-opt named compute-6-165.local by jmousel Wed Oct 24 21:59:50 2012
>> > [253]PETSC ERROR: Libraries linked from /Users/jmousel/SOFT/petsc-dev/intel-opt/lib
>> > [253]PETSC ERROR: Configure run at Wed Oct 24 21:41:09 2012
>> > [253]PETSC ERROR: Configure options --download-blacs=1 --download-cmake=1 --download-hypre=1 --download-metis=1 --download-ml=1 --download-parmetis=1 --download-scalapack=1 --with-blas-lapack-dir=/opt/intel/mkl/10.2.5.035/lib/em64t --with-debugging=0 --with-mpi-dir=/opt/openmpi/1.4.3/intel COPTFLAGS=-O2 FOPTFLAGS=-O2 PETSC_ARCH=intel-opt
>> > [253]PETSC ERROR: ------------------------------------------------------------------------
>> > [253]PETSC ERROR: PetscTableAddExpand() line 145 in src/sys/utils/ctable.c
>> > [253]PETSC ERROR: PetscTableAdd() line 75 in src/sys/sf//Users/jmousel/SOFT/petsc-dev/include/petscctable.h
>> > [253]PETSC ERROR: PetscSFSetGraph() line 327 in src/sys/sf/sf.c
>> > [253]PETSC ERROR: PetscSFSetGraphLayout() line 595 in src/vec/vec/impls/mpi/pmap.c
>> > [253]PETSC ERROR: MatTranspose_MPIAIJ() line 2130 in src/mat/impls/aij/mpi/mpiaij.c
>> > [253]PETSC ERROR: MatTranspose() line 4350 in src/mat/interface/matrix.c
>> > [253]PETSC ERROR: PCGAMGFilterGraph() line 136 in src/ksp/pc/impls/gamg/tools.c
>> > [253]PETSC ERROR: PCGAMGgraph_AGG() line 979 in src/ksp/pc/impls/gamg/agg.c
>> > [253]PETSC ERROR: PCSetUp_GAMG() line 685 in src/ksp/pc/impls/gamg/gamg.c
>> > [253]PETSC ERROR: PCSetUp() line 832 in src/ksp/pc/interface/precon.c
>> > [253]PETSC ERROR: KSPSetUp() line 278 in src/ksp/ksp/interface/itfunc.c
>> > [253]PETSC ERROR: KSPSolve() line 402 in src/ksp/ksp/interface/itfunc.c
>> > [73]PETSC ERROR: [20]PETSC ERROR: ------------------------------------------------------------------------
>> > /nfsscratch/Users/jmousel/MHV/MHV_exe on a intel-opt named compute-1-16.local by jmousel Wed Oct 24 21:59:50 2012
>> > [73]PETSC ERROR: [20]PETSC ERROR: Libraries linked from /Users/jmousel/SOFT/petsc-dev/intel-opt/lib
>> > [35]PETSC ERROR: Petsc Development HG revision: 2b3cccd7bd8ff536f48616e4402b164ba9cd12d0  HG Date: Wed Oct 24 21:15:30 2012 -0500
>> > [20]PETSC ERROR: [73]PETSC ERROR: See docs/changes/index.html for recent updates.
>> > Configure run at Wed Oct 24 21:41:09 2012
>> > --------------------- Error Message ------------------------------------
>> > [73]PETSC ERROR: [20]PETSC ERROR: [35]PETSC ERROR: Configure options --download-blacs=1 --download-cmake=1 --download-hypre=1 --download-metis=1 --download-ml=1 --download-parmetis=1 --download-scalapack=1 --with-blas-lapack-dir=/opt/intel/mkl/10.2.5.035/lib/em64t --with-debugging=0 --with-mpi-dir=/opt/openmpi/1.4.3/intel COPTFLAGS=-O2 FOPTFLAGS=-O2 PETSC_ARCH=intel-opt
>> > See docs/faq.html for hints about trouble shooting.
>> 
>> 
> 
> 

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