testing new repository

[Lisandro Dalcin]

Hong, many thanks, you were right. MatHeaderReplace() now needs a
PetscFree() for 'A->ops'. I fixed the problem and pushed.

On 10/12/07, Hong Zhang <hzhang at mcs.anl.gov> wrote:
>
> Lisandro,
>
> The memory leak occurs for all in-place MatConvert().
> I suspect your changes might affect
>  MatHeaderReplace() used in the in-place MatConvert().
> I have trouble figuring out what causes it.
> You might have some clue about it.
>
> Hong
>
> On Sat, 6 Oct 2007, Satish Balay wrote:
>
> > On Fri, 5 Oct 2007, Lisandro Dalcin wrote:
> >
> > > And please, send me the failures...
> >
> > Lisandro,
> >
> > I haven't yet checked the nightly builds properly. Some of the issues
> > I've been checking were with code already in petsc-dev. [So the
> > current checks are from the tests I ran on my laptop]
> >
> > Most of the 'strict aliasing' I've seen so far are compile issues with
> > sieve and other external pacakges[spooles,superlu_dist,pmetis.c etc..]
> > wrt PetscObject usage.
> >
> > [so the fix for PetscObject stuff was simple enough for met to do and
> > test]. I'm attaching the patch of the changes that worked. Let me know
> > if this is ok to commit and push.
> >
> > There is also the following memory leak - which I haven't checked
> > yet..  Perhaps there is some incorrect reference counting somewhere.
> >
> > >>>>>>>>>>>>>>>>>>
> > testexamples_C in: /home/balay/tmp/petsc-dalcinl/src/mat/examples/tests
> > 0a1,10
> > > [0]Total space allocated 1380 bytes
> > > [ 0]460 bytes MatCreate() line 80 in src/mat/utils/gcreate.c
> > >       [0]  MatConvert_SeqBAIJ_SeqSBAIJ() line 276 in src/mat/impls/sbaij/seq/aijsbaij.c
> > >       [0]  MatConvert() line 3142 in src/mat/interface/matrix.c
> > > [ 0]460 bytes MatCreate() line 80 in src/mat/utils/gcreate.c
> > >       [0]  MatDuplicate_SeqBAIJ() line 2448 in src/mat/impls/baij/seq/baij.c
> > >       [0]  MatConvert() line 3142 in src/mat/interface/matrix.c
> > > [ 0]460 bytes MatCreate() line 80 in src/mat/utils/gcreate.c
> > >       [0]  MatConvert_SeqBAIJ_SeqAIJ() line 17 in src/mat/impls/baij/seq/aijbaij.c
> > >       [0]  MatConvert() line 3142 in src/mat/interface/matrix.c
> > Possible problem with ex55_1, diffs above
> > 52a53,55
> > > [0]Total space allocated 460 bytes
> > > [ 0]460 bytes MatCreate() line 80 in src/mat/utils/gcreate.c
> > >       [0]  MatCreateSeqAIJ() line 2777 in src/mat/impls/aij/seq/aij.c
> > Possible problem with ex114_1, diffs above
> > <<<<<<<<<<<<<<<
> >
> > Prometheus also nees some PetscObject changes - I can send Mark the
> > changes to update the prometheus tarball later..
> >
> > thanks,
> > Satish
>
>


-- 
Lisandro Dalcín
---------------
Centro Internacional de Métodos Computacionales en Ingeniería (CIMEC)
Instituto de Desarrollo Tecnológico para la Industria Química (INTEC)
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)
PTLC - Güemes 3450, (3000) Santa Fe, Argentina
Tel/Fax: +54-(0)342-451.1594