On Mon, Jul 23, 2012 at 10:13 PM, Alexander Goncharov <alexvg77 at gmail.com>wrote: > No, it did not fix it. Two instances 50% each. What affinity is your mpiexec setting? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120723/2144fb3e/attachment-0001.html>