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    SubjectRe: MAP_SHARED bizarrely slow
    >>>>> "Andrew" == Andrew Morton <> writes:

    JimC> Both took about 11 seconds for the private and around 30 seconds
    JimC> for the shared tests.

    Andrew> I get the exact opposite, on a P4:

    Interesting. I gave it a try on a couple of my UMLs. One is on a P4
    (possibly xeon; not sure) and the other is on an athlon. The p4 did
    shared about twice as fast as private and the athlon was 50% faster.
    (p4 uses uml kernel 2.4.27; athlon 2.6.6; no idea what the hosts run.)

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