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    SubjectRe: 回复:[PATCH] perf : optimiz e clear page in Intel specified model with movq instruction
    On Sat, Oct 16, 2021 at 08:58:32PM +0800, JY Ni wrote:
    > I rebased this patch on linux-next repo and measured the time of building a
    > same kernel in original/add-movq-patch version on the same intel CPX server.

    ...

    > delta = (*build_original_time* - *build_movq_time*) / (*build_movq_time*)
    >
    > This set of data shows that movq-patch version has better performance than
    > original version in most cases.

    First of all, please do not top-post but put your answer under the
    quoted text like everyone else.

    Then, please explain how exactly you ran that measurement so that I can
    try to reproduce it here too.

    And just to make sure we're talking about the same thing: the patch in
    question is this one:

    https://lore.kernel.org/r/1631177151-53723-1-git-send-email-wujinhua@linux.alibaba.com

    correct?

    Thx.

    --
    Regards/Gruss,
    Boris.

    https://people.kernel.org/tglx/notes-about-netiquette

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