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    SubjectRe: [patch 3/5] sched: multilevel sbe and sbf
    Ingo Molnar wrote:

    > Acked-by: Ingo Molnar <mingo@elte.hu>
    >
    > note that no matter how much scheduler logic, in the end
    > cross-scheduling of tasks between nodes on NUMA will always have a
    > permanent penalty (i.e. the 'migration cost' is 'infinity' in the long
    > run), so the primary focus _hast to be_ on 'get it right initially' When
    > tasks must spill over to other nodes will always remain a special case.
    > So balance-on-fork/exec/[clone] definitely needs to be aware of the full
    > domain tree picture.
    >

    Yes, well put. I imagine this will only become more important as
    there becomes more push towards multiprocessing machines, and the
    need for higher memory bandwidth and lower latency to CPUs.


    --
    SUSE Labs, Novell Inc.


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