From: Chen Yu <yu.c.chen@intel.com>
To: K Prateek Nayak <kprateek.nayak@amd.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Vincent Guittot <vincent.guittot@linaro.org>,
Ingo Molnar <mingo@redhat.com>,
Juri Lelli <juri.lelli@redhat.com>,
Mel Gorman <mgorman@techsingularity.net>,
Tim Chen <tim.c.chen@intel.com>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
"Steven Rostedt" <rostedt@goodmis.org>,
Ben Segall <bsegall@google.com>,
Abel Wu <wuyun.abel@bytedance.com>,
Yicong Yang <yangyicong@hisilicon.com>,
"Gautham R . Shenoy" <gautham.shenoy@amd.com>,
Honglei Wang <wanghonglei@didichuxing.com>,
Len Brown <len.brown@intel.com>, Chen Yu <yu.chen.surf@gmail.com>,
Tianchen Ding <dtcccc@linux.alibaba.com>,
"Joel Fernandes" <joel@joelfernandes.org>,
Josh Don <joshdon@google.com>, "Hillf Danton" <hdanton@sina.com>,
kernel test robot <yujie.liu@intel.com>,
"Arjan Van De Ven" <arjan.van.de.ven@intel.com>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v6 0/2] sched/fair: Wake short task on current CPU
Date: Tue, 14 Mar 2023 12:09:37 +0800 [thread overview]
Message-ID: <ZA/zgYzmFxht0Kbz@chenyu5-mobl1> (raw)
In-Reply-To: <28659855-c1a4-ab61-433e-a5bccb96fcbd@amd.com>
On 2023-03-14 at 08:43:17 +0530, K Prateek Nayak wrote:
> Hello Chenyu,
>
> I did not observe any regression when testing v6 :)
> Most of the benchmark results are comparable to the tip with minor
> gains in some benchmarks with single sender and single receiver.
>
> With the introduction of wakee_flips condition in is_short_task(),
> most benchmarks that have multiple tasks interacting are now
> comparable to tip. There may be other avenues for optimization
> using SIS_SHORT as Abel pointed but this series is a good start in
> that direction.
>
> Tested-by: K Prateek Nayak <kprateek.nayak@amd.com>
Thanks Prateek!
thanks,
Chenyu
next prev parent reply other threads:[~2023-03-14 4:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-22 14:09 [PATCH v6 0/2] sched/fair: Wake short task on current CPU Chen Yu
2023-02-22 14:09 ` [PATCH v6 1/2] sched/fair: Record the average duration of a task Chen Yu
2023-02-22 14:09 ` [PATCH v6 2/2] sched/fair: Introduce SIS_SHORT to wake up short task on current CPU Chen Yu
2023-03-15 15:25 ` Peter Zijlstra
2023-03-16 11:11 ` Chen Yu
2023-03-14 3:13 ` [PATCH v6 0/2] sched/fair: Wake " K Prateek Nayak
2023-03-14 4:09 ` Chen Yu [this message]
2023-03-15 9:34 ` Yicong Yang
2023-03-16 11:13 ` Chen Yu
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