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 13:07:43 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     wujinhua <wujinhua@...ux.alibaba.com>
Cc:     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 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.

-- 
Regards/Gruss,
    Boris.

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