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    SubjectRe: [RFC][PATCH] Introduce CLOCK_REALTIME_COARSE
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    On Sat, 2009-07-18 at 23:14 -0700, Arjan van de Ven wrote:
    > it's on x86.. likely/unlikely don't impact the CPU (since there are no
    > "ignore the branch predictor" hints), only the code placement.....

    But code placement does affect branch prediction (e.g. the Pentium 4
    static predictor assumes backward branches are taken, recent AMD
    processors prefer you to arrange code such that conditional branches are
    not taken, etc.)

    --
    Nicholas Miell <nmiell@comcast.net>



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