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    SubjectRe: On optimising the scheduler for large run queues
    Jan-Simon Pendry wrote:
    > so, which way is linux going? you tell me - there doesn't seem to
    > be a "right" answer here. this may well mean there needs to be two
    > schedulers, one with ultra-low overhead for desktops, and another,
    > with better scalability, for servers.

    Desktops don't need ultra-low overhead at the levels being discussed
    here. Desktops don't do much scheduling at all.

    They need good process _selection_ criteria for that maximum pleasure,
    deep interactive experience. (I.e. move the mouse and the pointer moves
    in X even though you've got 3 parallel compiles running).

    But a few cycles missed in the scheduler is not a big deal for typical
    desktop uses.

    -- Jamie


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