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    SubjectRe: Intel P6 vs P7 system call performance
    Pavel Machek wrote:
    >
    > User on cpu1 reads time, communicates it to cpu2, but cpu2 is drifted
    > -50ns, so it reads time "before" time reported cpu1. And gets confused.
    >

    How can you get that communication to happen in < 50 ns?

    -hpa


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