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    SubjectRe: [REPORT] cfs-v4 vs sd-0.44
    Date
    On Saturday 21 April 2007 22:12, Willy Tarreau wrote:
    > 2) SD-0.44
    >
    > Feels good, but becomes jerky at moderately high loads. I've started
    > 64 ocbench with a 250 ms busy loop and 750 ms sleep time. The system
    > always responds correctly but under X, mouse jumps quite a bit and
    > typing in xterm or even text console feels slightly jerky. The CPU is
    > not completely used, and the load varies a lot (see below). However,
    > the load is shared equally between all 64 ocbench, and they do not
    > deviate even after 4000 iterations. X uses less than 1% CPU during
    > those tests.

    Found it. I broke SMP balancing again so there is serious scope for
    improvement on SMP hardware. That explains the huge load variations. Expect
    yet another fix soon, which should improve behaviour further :)

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