[petsc-dev] Petsc VecCopy code.

[Matthew Knepley]

On Fri, May 4, 2012 at 2:27 PM, Yoo, Andy <yoo2 at llnl.gov> wrote:

> Hi,****
>
> ** **
>
> I have written a two-dimensional MatVec routine (
> http://dl.acm.org/citation.cfm?id=2063469) a while ago.
>

Any chance of getting that into PETSc proper?


> ****
>
> Now, I am noticing there is a small memory leak that appears to come from
> VecCopy. It is small, as it only appears like after 300000 MatVecs.****
>
> I looked at the Petsc sources, but was not able to locate the default copy
> function for VecMPI.****
>
> ** **
>
> Can you please point me to the right direction?
>

Its here:

http://petsc.cs.iit.edu/petsc/petsc-dev/annotate/95406d5a1c14/src/vec/vec/impls/seq/bvec2.c#l190

set here in the vtable:

http://petsc.cs.iit.edu/petsc/petsc-dev/annotate/95406d5a1c14/src/vec/vec/impls/mpi/pbvec.c#l111

   Matt


>
> **
>
> Thank you for your help in advance.****
>
> ** **
>
> ** **
>
> ** **
>
> Andy Yoo, Ph.D.****
>
> Center for Applied Scientific Computing****
>
> Lawrence Livermore National Laboratory****
>
> ** **
>



-- 
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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