From: Borislav Petkov <bp@alien8.de>
To: Stratos Karafotis <stratosk@semaphore.gr>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>, Borislav Petkov <bp@suse.de>,
Viresh Kumar <viresh.kumar@linaro.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
linux-pm@vger.kernel.org, cpufreq@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/3] cpufreq: ondemand: Change the calculation of target frequency
Date: Thu, 13 Jun 2013 23:40:08 +0200 [thread overview]
Message-ID: <20130613214007.GA32127@pd.tnic> (raw)
In-Reply-To: <51BA380A.1040009@semaphore.gr>
On Fri, Jun 14, 2013 at 12:22:18AM +0300, Stratos Karafotis wrote:
> Please let me share some more test results using aim9 benchmark suite:
> https://docs.google.com/spreadsheet/ccc?key=0AnMfNYUV1k0ddDdGdlJyUHpqT2xGY1lBOEt2UEVnNlE&usp=sharing
>
> Each test was running for 10sec.
> Total execution time with and without the patch was almost identical, which is
> expected since the tests in aim9 run for a specific period.
> The energy during the test run was increased by 0.43% with the patch.
> The performance was increased by 1.25% (average) with this patch.
Not bad. However, exec_test and fork_test are kinda unexpected with such
a high improvement percentage. Happen to have an explanation?
FWIW, if we don't find any serious perf/power regressions with
this patch, I'd say it is worth applying even solely for the code
simplification it brings.
Thanks.
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
--
next prev parent reply other threads:[~2013-06-13 21:40 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-08 12:34 [PATCH v3 1/3] cpufreq: ondemand: Change the calculation of target frequency Stratos Karafotis
2013-06-08 12:34 ` Stratos Karafotis
2013-06-08 14:05 ` Rafael J. Wysocki
2013-06-08 20:31 ` Stratos Karafotis
2013-06-08 22:18 ` Rafael J. Wysocki
2013-06-09 16:26 ` Borislav Petkov
2013-06-09 18:08 ` Stratos Karafotis
2013-06-09 20:58 ` Rafael J. Wysocki
2013-06-09 21:14 ` Borislav Petkov
2013-06-09 22:11 ` Rafael J. Wysocki
2015-02-23 16:42 ` nitin
2013-06-10 21:57 ` Stratos Karafotis
2013-06-10 23:24 ` Rafael J. Wysocki
2013-06-13 21:22 ` Stratos Karafotis
2013-06-13 21:40 ` Borislav Petkov [this message]
2013-06-13 22:04 ` Stratos Karafotis
2013-06-13 22:38 ` Borislav Petkov
2013-06-13 22:15 ` Rafael J. Wysocki
2013-06-13 22:37 ` Borislav Petkov
2013-06-13 22:37 ` Borislav Petkov
2013-06-14 12:46 ` Rafael J. Wysocki
2013-06-14 12:46 ` Rafael J. Wysocki
2013-06-14 12:44 ` Borislav Petkov
2013-06-14 12:55 ` Rafael J. Wysocki
2013-06-14 15:53 ` Stratos Karafotis
-- strict thread matches above, loose matches on Subject: below --
2013-06-06 12:56 Stratos Karafotis
2013-06-06 12:56 ` Stratos Karafotis
2013-06-06 12:54 Stratos Karafotis
2013-06-06 12:54 ` Stratos Karafotis
2013-06-06 13:15 ` Borislav Petkov
2013-06-05 16:01 Stratos Karafotis
2013-06-05 16:17 ` Borislav Petkov
2013-06-05 16:58 ` David C Niemi
2013-06-06 9:55 ` Borislav Petkov
2013-06-06 9:57 ` Viresh Kumar
2013-06-06 13:50 ` David C Niemi
2013-06-05 17:13 ` Stratos Karafotis
2013-06-05 20:35 ` Rafael J. Wysocki
2013-06-06 10:01 ` Borislav Petkov
2013-06-06 10:10 ` Viresh Kumar
2013-06-06 12:10 ` Borislav Petkov
2013-06-06 16:46 ` Stratos Karafotis
2013-06-06 17:11 ` Borislav Petkov
2013-06-06 17:32 ` Stratos Karafotis
2013-06-07 19:14 ` Stratos Karafotis
2013-06-07 20:57 ` Rafael J. Wysocki
2013-06-08 9:56 ` Stratos Karafotis
2013-06-08 11:18 ` Rafael J. Wysocki
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