On Thu, Feb 23, 2012 at 18:53, Nystrom, William D <wdn at lanl.gov> wrote:
> Rerunning the CPU case with numactl results in a 25x speedup and > log_summary > results that look reasonable to me now. > What command are you using for this? We usually use the affinity options to mpiexec instead of using numactl/taskset manually. Did you also set a specific memory policy? Which Linux kernel is this? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20120223/4d78b183/attachment.html>