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
next prev parent 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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.