linux-kernel - Re: 回复：[PATCH] perf: optimize clear page in Intel specified model with movq instruction

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Date:   Thu, 9 Sep 2021 22:51:56 +0800
From:   Luming Yu <luming.yu@...il.com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     wujinhua <wujinhua@...ux.alibaba.com>, x86 <x86@...nel.org>,
        "zelin.deng" <zelin.deng@...ux.alibaba.com>,
        "jiayu.ni" <jiayu.ni@...ux.alibaba.com>, ak <ak@...ux.intel.com>,
        "luming.yu" <luming.yu@...el.com>, "fan.du" <fan.du@...el.com>,
        "artie.ding" <artie.ding@...ux.alibaba.com>,
        "tony.luck" <tony.luck@...el.com>, tglx <tglx@...utronix.de>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "pawan.kumar.gupta" <pawan.kumar.gupta@...ux.intel.com>,
        "fenghua.yu" <fenghua.yu@...el.com>, hpa <hpa@...or.com>,
        "ricardo.neri-calderon" <ricardo.neri-calderon@...ux.intel.com>,
        peterz <peterz@...radead.org>
Subject: Re: 回复：[PATCH] perf: optimize clear page in Intel specified model with movq instruction

On Thu, Sep 9, 2021 at 7:08 PM Borislav Petkov <bp@...en8.de> wrote:
>
> On Thu, Sep 09, 2021 at 07:02:08PM +0800, wujinhua wrote:
> > I provide three tests and result for you. All the tests run in Intel
> > CPX.
>
> I said
>
> "What you should do is show the extensive tests you've run with
> real-world benchmarks..."
>
> Are your tests real-world benchmarks?
>
> IOW, no microbenchmarks please.

In theory, I thought it should help system boot time , app/dock launch
time as well
as some customer specific marco benchmarks.

>
> --
> Regards/Gruss,
>     Boris.
>
> https://people.kernel.org/tglx/notes-about-netiquette