[petsc-users] issue with different versions of petsc-dev

[Mohammad Mirzadeh]

Thanks -- will do. Just curious, what's the reason for sorting?

On Fri, Aug 17, 2012 at 12:26 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> On Fri, Aug 17, 2012 at 2:20 PM, Mohammad Mirzadeh <mirzadeh at gmail.com>wrote:
>
>> You mean columns within a row? Nope.
>>
>
> Okay, they are supposed to be. You can loop over your rows calling
> PetscSortInt() on each row separately.
>
>  You didn't get the error before because debugging wasn't on, but you were
> also very lucky because many matrix kernels would have behaved incorrectly
> with unsorted data.
>
>
>>
>>
>> On Fri, Aug 17, 2012 at 12:18 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:
>>
>>> On Fri, Aug 17, 2012 at 2:11 PM, Mohammad Mirzadeh <mirzadeh at gmail.com>wrote:
>>>
>>>> Hi guys,
>>>>
>>>> I just realize my code breaks with new versions of petsc-dev. I use
>>>> MatCreateMPIAIJWithSplitArrays() funtions and it works with this verison:
>>>>
>>>> Petsc Development HG revision: b27fc9457bdc002c5a5de2b07797ae1a93094370
>>>>  HG Date: Thu May 03 13:42:15 2012 -0500
>>>>
>>>> but breaks with:
>>>>
>>>> Petsc Development HG revision: f9c6cac2d69c724a2258d4e0dc2f51b0825aa875
>>>>  HG Date: Thu Aug 16 08:37:18 2012 -0700
>>>>
>>>> Here's the error code:
>>>> [0]PETSC ERROR: --------------------- Error Message
>>>> ------------------------------------
>>>> [0]PETSC ERROR: Argument out of range!
>>>> [0]PETSC ERROR: Column entry number 1 (actual colum 2) in row 3 is not
>>>> sorted!
>>>>
>>>
>>> Are your rows sorted?
>>>
>>>
>>>>  [0]PETSC ERROR:
>>>> ------------------------------------------------------------------------
>>>> [0]PETSC ERROR: Petsc Development HG revision:
>>>> f9c6cac2d69c724a2258d4e0dc2f51b0825aa875  HG Date: Thu Aug 16 08:37:18 2012
>>>> -0700
>>>> [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: ./FVM on a arch-linu named mohammad-desktop by mohammad
>>>> Fri Aug 17 12:06:15 2012
>>>> [0]PETSC ERROR: Libraries linked from
>>>> /home/mohammad/soft/petsc-dev_new/petsc-dev/arch-linux2-cxx-debug/lib
>>>> [0]PETSC ERROR: Configure run at Fri Aug 17 11:45:31 2012
>>>> [0]PETSC ERROR: Configure options --with-clanguage=cxx
>>>> --with-mpi-dir=/usr/bin --download-f-blas-lapack=1 --download-hypre=1
>>>> --download-parmetis=1 --download-metis=1 --download-superlu_dist=1
>>>> [0]PETSC ERROR:
>>>> ------------------------------------------------------------------------
>>>> [0]PETSC ERROR: MatCreateSeqAIJWithArrays() line 4268 in
>>>> /home/mohammad/soft/petsc-dev_new/petsc-dev/src/mat/impls/aij/seq/aij.c
>>>> [0]PETSC ERROR: MatCreateMPIAIJWithSplitArrays() line 5731 in
>>>> /home/mohammad/soft/petsc-dev_new/petsc-dev/src/mat/impls/aij/mpi/mpiaij.c
>>>> [0]PETSC ERROR: setLinearSystemMatrix() line 84 in
>>>> "unknowndirectory/"../../../CASL/lib/algebra/petscLinearSolver.cpp
>>>>
>>>> Is there anything changed regarding numbering of diagonal and
>>>> off-diagonal entries when using the said function between these two
>>>> versions?
>>>>
>>>> Thanks,
>>>> Mohammad
>>>>
>>>
>>>
>>
>
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