linux-kernel - Re: [PATCH 10/10] sched/fair: Implement an EEVDF like policy

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Date:   Wed, 08 Mar 2023 10:26:52 +0100
From:   Mike Galbraith <efault@....de>
To:     Peter Zijlstra <peterz@...radead.org>, mingo@...nel.org,
        vincent.guittot@...aro.org
Cc:     linux-kernel@...r.kernel.org, juri.lelli@...hat.com,
        dietmar.eggemann@....com, rostedt@...dmis.org, bsegall@...gle.com,
        mgorman@...e.de, bristot@...hat.com, corbet@....net,
        qyousef@...alina.io, chris.hyser@...cle.com,
        patrick.bellasi@...bug.net, pjt@...gle.com, pavel@....cz,
        qperret@...gle.com, tim.c.chen@...ux.intel.com, joshdon@...gle.com,
        timj@....org, kprateek.nayak@....com, yu.c.chen@...el.com,
        youssefesmat@...omium.org, joel@...lfernandes.org
Subject: Re: [PATCH 10/10] sched/fair: Implement an EEVDF like policy

On Wed, 2023-03-08 at 09:39 +0100, Mike Galbraith wrote:
> 
> netperf                   cfs +eevdf  vs cfs
> TCP_SENDFILE-1    Avg:  89258  92080   1.031
> TCP_SENDFILE-2    Avg:  83271  83371   1.001
> TCP_SENDFILE-4    Avg:  56395  53011    .939
> TCP_SENDFILE-8    Avg:  26389  39470   1.495
> TCP_SENDFILE-16   Avg:  10251  19590   1.911

Forgot to recheck this not so modest clients >= CPUS win, it's also
repeatable.

	-Mike