From: Robert Love <rml@tech9.net>
To: Andrew Morton <akpm@digeo.com>
Cc: Con Kolivas <conman@kolivas.net>,
linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: [BENCHMARK] scheduler tunables with contest - prio_bonus_ratio
Date: 19 Dec 2002 19:15:06 -0500 [thread overview]
Message-ID: <1040343306.2519.85.camel@phantasy> (raw)
In-Reply-To: <3E025E1A.EA32918A@digeo.com>
On Thu, 2002-12-19 at 19:02, Andrew Morton wrote:
> What Con said. When the scheduler makes an inappropriate decision,
> shortening the timeslice minimises its impact.
OK, I tried it. It does suck.
I wonder why, though, because with the estimator off the scheduler
should not be making "bad" decisions.
> > But that in no way precludes not fixing what we have, because good
> > algorithms should not require tuning for common cases. Period.
>
> hm. Good luck ;)
>
> This is a situation in which one is prepares to throw away some cycles
> to achieve a desired effect.
Well one option would be no algorithm at all :)
But if you can find good values that make things run nice, then perhaps
we just need to change the defaults.
I think we should merge sched-tune..
Robert Love
next prev parent reply other threads:[~2002-12-20 0:07 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-19 21:50 [BENCHMARK] scheduler tunables with contest - prio_bonus_ratio Con Kolivas
2002-12-19 22:46 ` Robert Love
2002-12-19 23:18 ` Andrew Morton
2002-12-19 23:41 ` Robert Love
2002-12-20 0:02 ` Andrew Morton
2002-12-20 0:15 ` Robert Love [this message]
2002-12-20 0:22 ` Con Kolivas
2002-12-20 0:29 ` Robert Love
2002-12-20 0:27 ` Andrew Morton
2002-12-20 2:42 ` Robert Love
2002-12-20 2:48 ` Andrew Morton
2002-12-24 22:26 ` scott thomason
2002-12-25 7:29 ` Con Kolivas
2002-12-25 16:17 ` scott thomason
2002-12-26 15:01 ` scott thomason
2003-01-01 0:31 ` Impact of scheduler tunables on interactive response (was Re: [BENCHMARK] scheduler tunables with contest - prio_bonus_ratio) scott thomason
2003-01-01 16:05 ` Bill Davidsen
2003-01-01 17:15 ` scott thomason
2002-12-19 23:42 ` [BENCHMARK] scheduler tunables with contest - prio_bonus_ratio Con Kolivas
2002-12-19 23:53 ` Robert Love
2002-12-20 0:04 ` Con Kolivas
2002-12-20 0:16 ` Robert Love
2002-12-20 11:17 ` Marc-Christian Petersen
2002-12-20 17:54 ` Robert Love
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