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    SubjectRe: Downsides to madvise/fadvise(willneed) for application startup
    On Mon, 05 Apr 2010 15:43:02 -0700
    Taras Glek <> wrote:

    > To make matters worse,
    > the compile-time linker + gcc lay out code in a manner that does not
    > correspond to how the resulting executable will be executed(ie the
    > layout is basically random).

    Yes, the linker scrambles the executable's block ordering.

    This just isn't an interesting case. World-wide, the number of people
    who compile their own web browser and execute it from the file which ld
    produced is, umm, seven.

    So I'd suggest that you always copy the executable to a temp file and
    mv it back before running any timing tests.

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      Last update: 2010-04-16 00:55    [W:0.019 / U:9.060 seconds]
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