[petsc-users] memory increase in a transient calculation but no valgrind errors

Dominik Szczerba dominik at itis.ethz.ch
Sat Dec 24 14:10:10 CST 2011


On Sat, Dec 24, 2011 at 8:12 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:
> On Sat, Dec 24, 2011 at 13:11, Dominik Szczerba <dominik at itis.ethz.ch>
> wrote:
>>
>> > http://en.wikipedia.org/wiki/Memory_pool
>> >
>> > Its what DMDAGetGlobalVector() does.
>> >
>> >    Matt
>>
>> Is this not only for structured grids?
>
>
> DMDAGetGlobalVector() is for structured grids, but managing reuse of data
> structures is a very general concept.

I do not understand: is there something in Petsc of this sort that I
could use for my unstructured meshes or you meant I have to implement
it myself?

Thanks
Dominik


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