linux-kernel - Re: [PATCHSET v1 wq/for-6.5] workqueue: Improve unbound workqueue execution locality

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Message-ID: <CAHk-=whbP8BjGyGyXcSKi32orb+1+cHSC2HoVAMNVKwmbq8pSg@mail.gmail.com>
Date:   Mon, 22 May 2023 18:51:35 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Tejun Heo <tj@...nel.org>
Cc:     jiangshanlai@...il.com, peterz@...radead.org,
        linux-kernel@...r.kernel.org, kernel-team@...a.com,
        joshdon@...gle.com, brho@...gle.com, briannorris@...omium.org,
        nhuck@...gle.com, agk@...hat.com, snitzer@...nel.org,
        void@...ifault.com
Subject: Re: [PATCHSET v1 wq/for-6.5] workqueue: Improve unbound workqueue
 execution locality

On Fri, May 19, 2023 at 4:03 PM Tejun Heo <tj@...nel.org> wrote:
>
> Oh, a bit of addition.
>
> Once below saturation, latency and bw are mostly the two sides of the same
> coin but just to be sure, here are latency results.

Ok, looks good, consider me convinced.

I still would like to hear from the actual arm crowd that caused this
all and have those odd BIG.little cases.

            Linus