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    SubjectRe: [patch] sched: introduce SD_BALANCE_FORK for ht/mc/smp domains

    * Siddha, Suresh B <> wrote:

    > They might be doing more exec's and probably covered by exec balance.
    > There was a small pthread test case which was calculating the time to
    > create all the threads and how much time each thread took to start
    > running. It appeared as if the threads ran sequentially one after
    > another on a DP system with four cores leading to this SD_BALANCE_FORK
    > observation.

    would be nice to dig out that testcase i suspect and quantify the
    benefits of your patch. Another workload which might perform better
    would be linpack: it benefits from fast and immediate 'spreading' of
    freshly forked threads.

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      Last update: 2007-07-29 23:23    [W:0.020 / U:8.884 seconds]
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