2021-09-09 11:09:06

by Borislav Petkov

Subject: Re: 回复：[PATCH] perf : optimiz e 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

2021-09-09 14:56:16

by Luming Yu

Subject: Re: 回复：[PATCH] perf: optimize clear page in In tel specified model with movq instruction

On Thu, Sep 9, 2021 at 7:08 PM Borislav Petkov <[email protected]> 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