Messages in this thread | | | From | Paul Menage <> | Date | Thu, 24 Mar 2011 14:16:27 -0700 | Subject | Re: Tests for cpusets and cgroup performance measurement |
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On Tue, Mar 22, 2011 at 10:42 PM, Jaswinder Singh <jaswinderlinux@gmail.com> wrote: > "Jobs on larger NUMA systems may see a performance boost if jobs can be > intelligently assigned to specific CPUs. Jobs may perform better if > striped across physical processors, or contained within the fewest > number of memory controllers." > > I am curious and want to try some simple tests so that I can see the > performance improvement by using cpusets on my PCs. > > Can you suggest some tests so that I can study them.
Not particularly - I've never been involved in optimizing apps on large NUMA systems. Our uses of NUMA at Google have all involved faked-NUMA nodes, assigning nodes to jobs to provide crude memory limits.
I suspect that there aren't very many "simple" tests out there. Google search for [hpc numa tuning] turns up a few likely pages that might have pointers to suitable applications.
Paul
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