From: Peter Zijlstra <peterz@infradead.org>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: Vincent Guittot <vincent.guittot@linaro.org>,
Dave Hansen <dave.hansen@intel.com>,
LKML <linux-kernel@vger.kernel.org>,
lkp@01.org, Ingo Molnar <mingo@kernel.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Preeti U Murthy <preeti@linux.vnet.ibm.com>
Subject: Re: [sched] 143e1e28cb4: +17.9% aim7.jobs-per-min, -9.7% hackbench.throughput
Date: Sun, 10 Aug 2014 09:59:15 +0200 [thread overview]
Message-ID: <20140810075915.GR9918@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20140810044127.GB11810@localhost>
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On Sun, Aug 10, 2014 at 12:41:27PM +0800, Fengguang Wu wrote:
> Hi Vincent,
>
> FYI, we noticed some performance ups/downs on
>
> commit 143e1e28cb40bed836b0a06567208bd7347c9672 ("sched: Rework sched_domain topology definition")
>
> 128529 ± 1% +17.9% 151594 ± 0% brickland1/aim7/6000-page_test
> 76064 ± 3% -32.2% 51572 ± 6% brickland1/aim7/6000-page_test
> 59366697 ± 3% -46.1% 32017187 ± 7% brickland1/aim7/6000-page_test
> 2561 ± 7% -42.9% 1463 ± 9% brickland1/aim7/6000-page_test
> 9926 ± 2% -43.8% 5577 ± 4% brickland1/aim7/6000-page_test
> 19542 ± 9% -38.3% 12057 ± 4% brickland1/aim7/6000-page_test
> 993654 ± 2% -19.9% 795962 ± 3% brickland1/aim7/6000-page_test
etc..
how does one read that? afaict its a random number generator..
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next prev parent reply other threads:[~2014-08-10 7:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-10 4:41 [sched] 143e1e28cb4: +17.9% aim7.jobs-per-min, -9.7% hackbench.throughput Fengguang Wu
2014-08-10 7:59 ` Peter Zijlstra [this message]
2014-08-10 10:54 ` Fengguang Wu
2014-08-10 15:05 ` Peter Zijlstra
2014-08-10 15:16 ` Ingo Molnar
2014-08-11 1:23 ` Fengguang Wu
2014-08-12 14:57 ` kodiak furr
2014-08-11 13:33 ` Peter Zijlstra
2014-08-12 3:59 ` Preeti U Murthy
2014-08-12 6:41 ` Peter Zijlstra
2014-08-12 14:30 ` Fengguang Wu
2014-08-25 13:47 ` Vincent Guittot
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