[petsc-dev] GAMG MatMatMult error on 1 core

[John Mousel]

I switched the arguments to

CALL
MatXAIJSetPreallocation(Ap,1,0,dnnz,0,onnz,PETSC_NULL_OBJECT,PETSC_NULL_OBJECT,ierr)

but it doesn't seem to like that;

[0]PETSC ERROR: MatSetValues() line 1075 in
/home/jmousel/NumericalLibraries/petsc-hg/src/mat/interface/matrix.c
[0]PETSC ERROR: --------------------- Error Message
------------------------------------
[0]PETSC ERROR: Object is in wrong state!
[0]PETSC ERROR: Must call MatXXXSetPreallocation() or MatSetUp() on
argument 1 "mat" before MatSetValues()!



On Fri, Mar 29, 2013 at 10:42 AM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> On Fri, Mar 29, 2013 at 10:31 AM, John Mousel <elafint.john at gmail.com>wrote:
>
>> 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)
>>
>
> Yes
>
>
>>   CALL MatXAIJSetPreallocation(Ap,0,dnnz,0,onnz,ierr)
>>
>
> Almost, see the actual arguments to MatXAIJSetPreallocation.
>
>
>>
>> ?
>>
>>
>>
>>
>> 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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