[petsc-users] MatPermuteSparsify hanging

Jed Brown jed at 59A2.org
Mon Nov 29 16:28:57 CST 2010


On Mon, Nov 29, 2010 at 23:23, Kelly Fermoyle <kjf198 at cse.psu.edu> wrote:

> This is what I got on a desktop. It looks a lot more reasonable. I stopped
> it after a while and it appears to be in MatSetValues.
>

Looks like the code for this function does not use the new permutation to
preallocate.  That would need to be fixed to make this function fast enough
for general use.

Jed
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20101129/887ba1ca/attachment.htm>


More information about the petsc-users mailing list