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    SubjectRe: [PATCH RFC 0/7] x86: convert ticketlocks to C and remove duplicate code
    On 06/29/2011 01:44 PM, Andi Kleen wrote:
    > Jeremy Fitzhardinge <jeremy@goop.org> writes:
    >> I couldn't measure a consistent performance difference between the two
    >> implemenations; there seemed to be +/- ~1% +/-, which is the level of
    >> variation I see from simply recompiling the kernel with slightly
    >> different code alignment.
    > I ran your new locks in my lock tester and I have a similar experience.
    > There's some variation, but it seems to be in the usual variance.
    > In some cases the C locks were actually faster.

    Is your test harness available?

    J




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