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    SubjectRe: x264 benchmarks BFS vs CFS
    On Fri, 2009-12-18 at 06:23 +0100, Ingo Molnar wrote:

    > Having said that, we generally try to make things perform well without apps
    > having to switch themselves to SCHED_BATCH. Mike, do you think we can make
    > x264 perform as well (or nearly as well) under SCHED_OTHER as under

    It's not bad as is, except for ultrafast mode. START_DEBIT is the
    biggest problem there. I don't think SCHED_OTHER will ever match
    SCHED_BATCH for this load, though I must say I haven't full-spectrum
    tested. This load really wants RR scheduling, and wakeup preemption
    necessarily perturbs run order.

    I'll probably piddle with it some more, it's an interesting load.


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