[petsc-dev] preallocation checks

[Stefano Zampini]

I'm getting errors when not preallocating for MATSEQDENSE matrices. Is it
what you want with dense matrices too?

2012/1/21 Stefano Zampini <stefano.zampini at gmail.com>

> Just pulled and checked. The code works for me.
>
> Stefano
>
>
> 2012/1/21 Barry Smith <bsmith at mcs.anl.gov>
>
>>
>>  I have pushed an update so that converting from seqdense to seqaij does
>> correct preallocation.  So this problem should be gone for you.  Please let
>> me know if the problem does not resolve.
>>
>>   Barry
>>
>> On Jan 20, 2012, at 10:25 AM, Stefano Zampini 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?
>> >
>> > 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
>>
>>
>
>
> --
> Stefano
>



-- 
Stefano
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