public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Alex Shi <alex.shi@linaro.org>
To: Daniel Lezcano <daniel.lezcano@linaro.org>,
	mingo@redhat.com, peterz@infradead.org, morten.rasmussen@arm.com,
	vincent.guittot@linaro.org, fweisbec@gmail.com,
	linux@arm.linux.org.uk, tony.luck@intel.com,
	fenghua.yu@intel.com, tglx@linutronix.de,
	akpm@linux-foundation.org, arjan@linux.intel.com, pjt@google.com,
	fengguang.wu@intel.com
Cc: james.hogan@imgtec.com, jason.low2@hp.com,
	gregkh@linuxfoundation.org, hanjun.guo@linaro.org,
	linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 0/4] sched: remove cpu_load decay.
Date: Tue, 26 Nov 2013 20:52:02 +0800	[thread overview]
Message-ID: <52949972.6090101@linaro.org> (raw)
In-Reply-To: <529495AF.4020600@linaro.org>

On 11/26/2013 08:35 PM, Daniel Lezcano wrote:
> 
> 
> Here the new results with your patchset + patch #5
> 
> I have some issues with perf for the moment, so I will fix it up and
> send the result after.

Thanks a lot, Daniel!
The result is pretty good!, thread/pipe performance has a slight little
drop, but processes performance increase about 25%!


> 
> 
> 527d1511310a          / + patchset + #5
> 
> hackbench -T -s 4096 -l 1000 -g 10 -f 40
> 26.677                  30.308
> 27.914             28.497
> 28.390             30.360
> 28.048             28.587
> 26.344             29.513
> 27.848             28.706
> 28.315             30.152
> 28.232             29.721
> 26.549             28.766
> 30.340             38.801
> hackbench -p -s 4096 -l 1000 -g 10 -f 40
> 34.522                  35.469
> 34.545             34.966
> 34.469             35.342
> 34.115             35.286
> 34.457             35.592
> 34.561             35.314
> 34.459             35.316
> 34.054             35.629
> 34.532             35.149
> 34.459             34.876
> hackbench -P -s 4096 -l 1000 -g 10 -f 40
> 38.938                  30.308
> 39.363             28.497
> 39.340             30.360
> 38.909             28.587
> 39.095             29.513
> 38.869             28.706
> 39.041             30.152
> 38.939             29.721
> 38.992             28.766
> 38.947             38.801


-- 
Thanks
    Alex

  reply	other threads:[~2013-11-26 12:52 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-22  6:37 [RFC PATCH 0/4] sched: remove cpu_load decay Alex Shi
2013-11-22  6:37 ` [RFC PATCH 1/4] sched: shortcut to remove load_idx effect Alex Shi
2013-11-22  6:37 ` [RFC PATCH 2/4] sched: change rq->cpu_load[load_idx] array to rq->cpu_load Alex Shi
2013-11-22  6:37 ` [RFC PATCH 3/4] sched: clean up __update_cpu_load Alex Shi
2013-11-22  6:37 ` [RFC PATCH 4/4] sched/nohz_full: give correct cpu load for nohz_full cpu Alex Shi
2013-11-26 12:59   ` Alex Shi
2013-11-22 12:13 ` [RFC PATCH 0/4] sched: remove cpu_load decay Daniel Lezcano
2013-11-24  5:00   ` Alex Shi
2013-11-24  5:29   ` Alex Shi
2013-11-26 12:35     ` Daniel Lezcano
2013-11-26 12:52       ` Alex Shi [this message]
2013-11-26 12:57         ` Daniel Lezcano
2013-11-26 13:01         ` Daniel Lezcano
2013-11-26 13:04           ` Alex Shi
2013-11-25  0:58   ` Alex Shi
2013-11-25  8:36     ` Daniel Lezcano
2013-11-25 12:00       ` Alex Shi
2013-11-27  2:48 ` Alex Shi

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=52949972.6090101@linaro.org \
    --to=alex.shi@linaro.org \
    --cc=akpm@linux-foundation.org \
    --cc=arjan@linux.intel.com \
    --cc=daniel.lezcano@linaro.org \
    --cc=fengguang.wu@intel.com \
    --cc=fenghua.yu@intel.com \
    --cc=fweisbec@gmail.com \
    --cc=gregkh@linuxfoundation.org \
    --cc=hanjun.guo@linaro.org \
    --cc=james.hogan@imgtec.com \
    --cc=jason.low2@hp.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@arm.linux.org.uk \
    --cc=mingo@redhat.com \
    --cc=morten.rasmussen@arm.com \
    --cc=peterz@infradead.org \
    --cc=pjt@google.com \
    --cc=tglx@linutronix.de \
    --cc=tony.luck@intel.com \
    --cc=vincent.guittot@linaro.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox