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From: Con Kolivas <conman@kolivas.net>
To: vda@port.imtp.ilyichevsk.odessa.ua,
	linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: [BENCHMARK] scheduler tunables with contest - exit_weight
Date: Wed, 25 Dec 2002 20:38:25 +1100	[thread overview]
Message-ID: <200212252038.29905.conman@kolivas.net> (raw)
In-Reply-To: <200212250835.gBP8ZMs17478@Port.imtp.ilyichevsk.odessa.ua>

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On Thu, 26 Dec 2002 12:24 am, Denis Vlasenko wrote:
> On 21 December 2002 19:18, Con Kolivas wrote:
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> >
> > osdl hardware, contest results, 2.5.52-mm2 with scheduler tunable -
> > exit weight (ew1= exit weight ==1 and so on)
> >
> > io_load:
> > Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
> > ew0 [5]                 105.3   90      16      22      2.91
> > ew1 [5]                 86.4    97      12      18      2.39
> > ew2 [5]                 74.9    109     9       18      2.07
> > ew3 [5]                 84.2    100     11      19      2.33
> > ew4 [5]                 83.8    102     10      18      2.31
> > ew5 [5]                 89.9    93      12      20      2.48
> > ew6 [5]                 97.5    88      13      20      2.69
> > ew7 [5]                 89.2    95      12      20      2.46
>
> In spite of worrying reports of decreasing single task performance,
> does it make sense to add "null_load" test? ;)

I've simplified the data. There is no significant difference in the no_load 
groups with changes to the scheduler tunables over useful ranges. 

Con
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      reply	other threads:[~2002-12-25  9:30 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-12-21 21:18 [BENCHMARK] scheduler tunables with contest - exit_weight Con Kolivas
2002-12-23  0:49 ` Marc-Christian Petersen
2002-12-24  1:46   ` Con Kolivas
2002-12-25 13:24 ` Denis Vlasenko
2002-12-25  9:38   ` Con Kolivas [this message]

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