linux-kernel - Re: [RFC PATCH 0/4] sched: remove cpu

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Message-ID: <52949972.6090101@linaro.org>
Date:	Tue, 26 Nov 2013 20:52:02 +0800
From:	Alex Shi <alex.shi@...aro.org>
To:	Daniel Lezcano <daniel.lezcano@...aro.org>, mingo@...hat.com,
	peterz@...radead.org, morten.rasmussen@....com,
	vincent.guittot@...aro.org, fweisbec@...il.com,
	linux@....linux.org.uk, tony.luck@...el.com, fenghua.yu@...el.com,
	tglx@...utronix.de, akpm@...ux-foundation.org,
	arjan@...ux.intel.com, pjt@...gle.com, fengguang.wu@...el.com
CC:	james.hogan@...tec.com, jason.low2@...com,
	gregkh@...uxfoundation.org, hanjun.guo@...aro.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 0/4] sched: remove cpu_load decay.

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
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