lkml.org 
[lkml]   [2007]   [Jul]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [patch] sched: introduce SD_BALANCE_FORK for ht/mc/smp domains

    * Siddha, Suresh B <suresh.b.siddha@intel.com> 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.

    Ingo
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2007-07-29 23:23    [W:0.023 / U:0.064 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site