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Date: Sun, 10 Aug 2014 09:59:15 +0200
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
Message-ID: <20140810075915.GR9918@twins.programming.kicks-ass.net>
References: <20140810044127.GB11810@localhost>
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On Sun, Aug 10, 2014 at 12:41:27PM +0800, Fengguang Wu wrote:
> Hi Vincent,
>=20
> FYI, we noticed some performance ups/downs on
>=20
> commit 143e1e28cb40bed836b0a06567208bd7347c9672 ("sched: Rework sched_dom=
ain topology definition")
>=20
>     128529 =B1 1%     +17.9%     151594 =B1 0%  brickland1/aim7/6000-page=
_test
>      76064 =B1 3%     -32.2%      51572 =B1 6%  brickland1/aim7/6000-page=
_test
>   59366697 =B1 3%     -46.1%   32017187 =B1 7%  brickland1/aim7/6000-page=
_test
>       2561 =B1 7%     -42.9%       1463 =B1 9%  brickland1/aim7/6000-page=
_test
>       9926 =B1 2%     -43.8%       5577 =B1 4%  brickland1/aim7/6000-page=
_test
>      19542 =B1 9%     -38.3%      12057 =B1 4%  brickland1/aim7/6000-page=
_test
>     993654 =B1 2%     -19.9%     795962 =B1 3%  brickland1/aim7/6000-page=
_test

etc..

how does one read that? afaict its a random number generator..

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