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    SubjectRe: Arjan's noinline Patch
    On Mon, Jan 02, 2006 at 12:04:04PM +0100, Ingo Molnar took 0 lines to write:
    >
    > * Kurt Wall <kwallnator@gmail.com> wrote:
    >
    > > After applying Arjan's noline patch (http://www.fenrus.org/noinlin), I
    > > see almost a 10% reduction in the size of .text (against 2.6.15-rc6)
    > > with no apparent errors and no reduction in functionality:
    >
    > just to make sure: this was with -Os _also_ turned on, right? So what
    > you measured was the effect of Arjan's patch plus -Os, combined,
    > correct?

    Yes. And it was a faulty approach. I've posted new results with the
    effects of Arjan's patch. CONFIG_CC_OPTIMIZE_FOR_SIZE was enabled for
    all kernels.

    > if yes you should measure the two effects in isolation, like the vmlinux
    > numbers i posted. Every patch applied and every change to .config
    > options must be measured separately, to get valid results. This doesnt
    > invalidate your raw vmlinux measurements - you simply need to add a
    > "Arjan's patch applied but no -Os turned on" number - but it does
    > invalidate your conclusion quoted above.

    Quite so. I'm working on the "no -Os" case now.

    Kurt
    --
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    of pregnancy.
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