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    SubjectRe: threading question

    > I am a summer student implementing a multi-threaded version of a very
    > popular bioinformatics tool. So far it compiles and runs without problems
    > (as far as I can tell ;) on Linux 2.2.x, Sun Solaris, SGI IRIX and Compaq
    > OSF/1 running on Alpha. I have ran a lot of timing tests compared to the
    > sequential version of the tool on all of these machines (most of them are
    > dual-CPU, although I am also running tests on 12-CPU Solaris and 108 CPU
    > SGI IRIX). On dual-CPU machines the speedups are as follows: my version
    > is 1.88 faster than the sequential one on IRIX, 1.81 times on Solaris,
    > 1.8 times on OSF/1, 1.43 times on Linux 2.2.x and 1.52 times on Linux 2.4
    > kernel. Why are the numbers on Linux machines so much lower? It is
    > the

    But this is all different hw, no?

    So dual cpu SPARC is more efficient than dual cpu i686. Maybe SPARCs
    have faster RAM and slower cpus...
    I'm "In my country we have almost anarchy and I don't care."
    Panos Katsaloulis describing me w.r.t. patents at
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