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    SubjectRE: [Lse-tech] [patch] sched-domain cleanups, sched-2.6.5-rc2-mm2-A3

    Can you be more specific with "it doesn't load balance threads
    aggressively enough"? Or what behavior of the base NUMA scheduler is
    missing in the sched-domain scheduler especially for NUMA?


    >-----Original Message-----
    >From: Andi Kleen []
    >Sent: Thursday, March 25, 2004 3:47 AM
    >To: Rick Lindsley
    >Cc: Andi Kleen; Ingo Molnar;; linux-
    >; Nakajima, Jun;; lse-
    >Subject: Re: [Lse-tech] [patch] sched-domain cleanups,
    >On Thu, Mar 25, 2004 at 03:40:22AM -0800, Rick Lindsley wrote:
    >> The main problem it has is that it performs quite badly on
    >> e.g. in the OpenMP STREAM test (much worse than the normal
    >> Andi, I've got some schedstat code which may help us to understand
    >> I'll need to port it to Ingo's changes, but if I drop you a patch in
    >> day or two can you try your test on sched-domain/non-sched-domain,
    >> collecting the stats?
    >The openmp failure is already pretty well understood - it doesn't load
    >threads aggressively enough over CPUs after startup.
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