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From: Con Kolivas <kernel@kolivas.org>
To: Nick Piggin <piggin@cyberone.com.au>,
	"Nakajima, Jun" <jun.nakajima@intel.com>
Cc: linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] 2.6.0 batch scheduling, HT aware
Date: Tue, 23 Dec 2003 12:24:48 +1100	[thread overview]
Message-ID: <200312231224.49069.kernel@kolivas.org> (raw)
In-Reply-To: <3FE79626.1060105@cyberone.com.au>

On Tue, 23 Dec 2003 12:11, Nick Piggin wrote:
> I think this patch is much too ugly to get into such an elegant scheduler.
> No fault to you Con because its an ugly problem.

You're too kind. No it's ugly because of my code but it works for now.

> How about this: if a task is "delta" priority points below a task running
> on another sibling, move it to that sibling (so priorities via timeslice
> start working). I call it active unbalancing! I might be able to make it
> fit if there is interest. Other suggestions?

I discussed this with Ingo and that's the sort of thing we thought of. Perhaps 
a relative crossover of 10 dynamic priorities and an absolute crossover of 5 
static priorities before things got queued together. This is really only 
required for the UP HT case.

Con


  reply	other threads:[~2003-12-23  1:24 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-12-23  0:38 [PATCH] 2.6.0 batch scheduling, HT aware Con Kolivas
2003-12-23  1:11 ` Nick Piggin
2003-12-23  1:24   ` Con Kolivas [this message]
2003-12-23  1:36     ` Nick Piggin
2003-12-23  2:42       ` Con Kolivas
2003-12-23  2:57         ` Nick Piggin
2003-12-23  3:15           ` Con Kolivas
2003-12-23  3:16             ` Con Kolivas
2003-12-26 23:03               ` Pavel Machek
2003-12-23 15:51           ` bill davidsen
2003-12-23 22:09             ` Con Kolivas
2003-12-30  0:35               ` bill davidsen
2004-01-02 20:10     ` Bill Davidsen
2003-12-26 22:56 ` Pavel Machek
2003-12-26 23:42   ` Con Kolivas
2003-12-26 23:49     ` Con Kolivas
2003-12-27 11:09     ` Pavel Machek
2003-12-27 11:15       ` Con Kolivas
2003-12-30  0:29         ` bill davidsen
2003-12-29  7:02       ` Nick Piggin
2003-12-29 12:49         ` Pavel Machek
2003-12-27  8:52   ` Mika Penttilä
2003-12-30  0:32     ` bill davidsen
2004-01-02 20:05   ` Bill Davidsen
2004-01-02 20:56     ` Davide Libenzi
2004-01-02 21:10       ` Valdis.Kletnieks
2004-01-02 23:34         ` Davide Libenzi
  -- strict thread matches above, loose matches on Subject: below --
2003-12-23  1:59 Nakajima, Jun
2003-12-23  2:40 ` Nick Piggin
2003-12-23  5:33 Nakajima, Jun
2003-12-23 10:13 ` Nick Piggin

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