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    SubjectRe: [RFC PATCH] check_preempt_tick should not compare vruntime with wall time
    On Mon, Sep 13, 2010 at 10:45 AM, Mathieu Desnoyers
    <> wrote:
    > FWIW, Xorg and firefox feel _much more_ responsive with the fix I propose when
    > running with a make -j10. The system is even usable with a make -j20 on my UP
    > machine, even though I can start feeling a some lag. This is probably a more
    > important, yet less scientific, result.

    I'll test that myself (but in a bit - I need to go do voter
    registration and socsec update first, though - I became a US citizen
    last week).

    Because yes, that's the reason I'm personally interested in your
    scheduler latency work: I think our X behavior under load is pitiful
    (I do "make -j16" on my dual-core with HT Core i5, and web browsong
    shouldn't start to lag as much as it does just because I overcommit
    the CPU a bit). So if this makes a noticeable difference, I think it's
    very important.


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