[petsc-dev] GAMG MatMatMult error on 1 core

[John Mousel]

So this

  Ap      => proj%A
  CALL MatCreate(solver%comm,Ap,ierr)
  CALL MatSetSizes(Ap,nlp,nlp,ngp,ngp,ierr)
  CALL MatSetType(Ap,MATMPIAIJ,ierr)
  CALL MatMPIAIJSetPreallocation(Ap,0,dnnz,0,onnz,ierr)

should go to this

  Ap      => proj%A
  CALL MatCreate(solver%comm,Ap,ierr)
  CALL MatSetSizes(Ap,nlp,nlp,ngp,ngp,ierr)
  CALL MatSetType(Ap,MATAIJ,ierr)
  CALL MatXAIJSetPreallocation(Ap,0,dnnz,0,onnz,ierr)

?




On Fri, Mar 29, 2013 at 10:25 AM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> On Fri, Mar 29, 2013 at 10:22 AM, John Mousel <john.mousel at gmail.com>wrote:
>
>> I get the following error when I try to use GAMG on 1 core. I just pulled
>> dev and it still exists.
>>
>
> Are you explicitly setting your matrix type to MPIAIJ? Can you use MATAIJ
> instead (it will choose the correct type based on size)?
>
>
>>
>> John
>>
>> [0]PETSC ERROR: --------------------- Error Message
>> ------------------------------------
>> [0]PETSC ERROR: Arguments are incompatible!
>> [0]PETSC ERROR: MatMatMult requires A, mpiaij, to be compatible with B,
>> seqaij!
>> [0]PETSC ERROR:
>> ------------------------------------------------------------------------
>> [0]PETSC ERROR: Petsc Development GIT revision: unknown  GIT Date: unknown
>> [0]PETSC ERROR: See docs/changes/index.html for recent updates.
>> [0]PETSC ERROR: See docs/faq.html for hints about trouble shooting.
>> [0]PETSC ERROR: See docs/index.html for manual pages.
>> [0]PETSC ERROR:
>> ------------------------------------------------------------------------
>> [0]PETSC ERROR: ../src/MUSSEL_exe on a intel-debug named
>> wv.iihr.uiowa.edu by jmousel Fri Mar 29 10:19:44 2013
>> [0]PETSC ERROR: Libraries linked from
>> /home/jmousel/NumericalLibraries/petsc-hg/intel-debug/lib
>> [0]PETSC ERROR: Configure run at Fri Mar 29 10:00:56 2013
>> [0]PETSC ERROR: Configure options --download-blacs=1 --download-metis=1
>> --download-ml=1 --download-mpich=1
>> --download-parmetis=/home/jmousel/NumericalLibraries/petsc-hg/parmetis-4.0.2-p3.tar.gz
>> --download-f-blas-lapack=1 --with-cc=icc --download-cmake=1 --with-cxx=icpc
>> --with-fc=ifort
>> [0]PETSC ERROR:
>> ------------------------------------------------------------------------
>> [0]PETSC ERROR: MatMatMult() line 8567 in
>> /home/jmousel/NumericalLibraries/petsc-hg/src/mat/interface/matrix.c
>>  [0]PETSC ERROR: PCGAMGOptprol_AGG() line 1335 in
>> /home/jmousel/NumericalLibraries/petsc-hg/src/ksp/pc/impls/gamg/agg.c
>> [0]PETSC ERROR: PCSetUp_GAMG() line 680 in
>> /home/jmousel/NumericalLibraries/petsc-hg/src/ksp/pc/impls/gamg/gamg.c
>> [0]PETSC ERROR: PCSetUp() line 890 in
>> /home/jmousel/NumericalLibraries/petsc-hg/src/ksp/pc/interface/precon.c
>> [0]PETSC ERROR: KSPSetUp() line 278 in
>> /home/jmousel/NumericalLibraries/petsc-hg/src/ksp/ksp/interface/itfunc.c
>> [0]PETSC ERROR: KSPSolve() line 399 in
>> /home/jmousel/NumericalLibraries/petsc-hg/src/ksp/ksp/interface/itfunc.c
>>
>>
>
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