From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Alex Shi <alex.shi@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 14:01:53 +0100 [thread overview]
Message-ID: <52949BC1.8090001@linaro.org> (raw)
In-Reply-To: <52949972.6090101@linaro.org>
On 11/26/2013 01:52 PM, Alex Shi wrote:
> 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
Ok, bad copy-paste, the third test run results with the patchset is wrong.
hackbench -P -s 4096 -l 1000 -g 10 -f 40
38.938 39.585
39.363 39.008
39.340 38.954
38.909 39.273
39.095 38.755
38.869 39.003
39.041 38.945
38.939 38.005
38.992 38.994
38.947 38.855
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next prev parent reply other threads:[~2013-11-26 13:01 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
2013-11-26 12:57 ` Daniel Lezcano
2013-11-26 13:01 ` Daniel Lezcano [this message]
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
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