[petsc-dev] preallocation checks

[Matthew Knepley]

On Fri, Jan 20, 2012 at 10:25 AM, Stefano Zampini <stefano.zampini at gmail.com
> wrote:

> I pulled the latest tip and recompiling my application I got this error
> when converting from SEQDENSE to SEQAIJ
>
> [0]PETSC ERROR:
> ------------------------------------------------------------------------
> [0]PETSC ERROR: MatSetValues_SeqAIJ() line 331 in
> src/mat/impls/aij/seq/aij.c
> [0]PETSC ERROR: MatSetValues() line 1119 in src/mat/interface/matrix.c
> [0]PETSC ERROR: MatConvert_Basic() line 37 in src/mat/utils/convert.c
> [0]PETSC ERROR: MatConvert() line 3859 in src/mat/interface/matrix.c
>
> Is there a way to disable from command line new nonzeros errors?


This is not the whole error. It looks like this is a problem with
preallocation errors. Satish, didn't you push
a fix for this?

   Matt


> 2012/1/16 Lisandro Dalcin <dalcinl at gmail.com>
>
>> On 16 January 2012 17:58, Lisandro Dalcin <dalcinl at gmail.com> wrote:
>> > On 15 January 2012 23:30, Jed Brown <jedbrown at mcs.anl.gov> wrote:
>> >> On Wed, Jan 11, 2012 at 22:10, Barry Smith <bsmith at mcs.anl.gov> wrote:
>> >>>
>> >>>  That is not a concern, better to stop early with a useful message
>> than
>> >>> take tons of extra time on a huge job and make PETSc look extra bad
>> at huge
>> >>> problems.
>> >>
>> >>
>> >> Done, I'll check the nightlies tomorrow to see which examples broke.
>> >>
>> >> http://petsc.cs.iit.edu/petsc/petsc-dev/rev/631dbd3be1c5
>> >
>> > I've got this regression in petsc4py converting CRL -> AIJ. Of course
>> > I can fix the test, but perhaps this should be handled in PETSc?
>> >
>>
>> More regressions:
>>
>> [0] MatShift() line 166 in /home/devel/petsc/dev/src/mat/utils/axpy.c
>> [0] MatSetValues() line 1119 in
>> /home/devel/petsc/dev/src/mat/interface/matrix.c
>> [0] MatSetValues_SeqAIJ() line 331 in
>> /home/devel/petsc/dev/src/mat/impls/aij/seq/aij.c
>> [0] Argument out of range
>> [0] New nonzero at (0,0) caused a malloc
>>
>>
>>
>> --
>> Lisandro Dalcin
>> ---------------
>> CIMEC (INTEC/CONICET-UNL)
>> Predio CONICET-Santa Fe
>> Colectora RN 168 Km 472, Paraje El Pozo
>> 3000 Santa Fe, Argentina
>> Tel: +54-342-4511594 (ext 1011)
>> Tel/Fax: +54-342-4511169
>>
>
>
>
> --
> Stefano
>



-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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