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From: Erich Focht <efocht@hpce.nec.com>
To: "Martin J. Bligh" <mbligh@aracnet.com>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	LSE <lse-tech@lists.sourceforge.net>
Cc: Andi Kleen <ak@muc.de>
Subject: Re: [Lse-tech] Re: [patch] scheduler fix for 1cpu/node case
Date: Fri, 1 Aug 2003 18:30:07 +0200	[thread overview]
Message-ID: <200308011830.07280.efocht@hpce.nec.com> (raw)
In-Reply-To: <380280000.1059697615@flay>

On Friday 01 August 2003 02:26, Martin J. Bligh wrote:
> np - was easy to fix up ;-) I did run some benchmarks on it ...
> low end SDET seemed highly variable, but otherwise looked OK.
> If I have only 4 tasks running on a 16x (4x4), what's the rate
> limit on the idle cpus trying to steal now?

the rate is 3ms, that's a bit too fast, maybe. And the busy rate is
200ms (instead of 400). I made some experiments with 2 CPUs per node
and 1 ms seems to be definitely too fast. I'll tune the formula a
bit...

Regards,
Erich



  reply	other threads:[~2003-08-01 16:30 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-28 19:16 [patch] scheduler fix for 1cpu/node case Erich Focht
2003-07-28 19:55 ` Martin J. Bligh
2003-07-28 20:18   ` Erich Focht
2003-07-28 20:37     ` Martin J. Bligh
2003-07-29  2:24       ` Andrew Theurer
2003-07-29 10:08         ` Erich Focht
2003-07-29 13:33           ` [Lse-tech] " Andrew Theurer
2003-07-30 15:23             ` Erich Focht
2003-07-30 15:44               ` Andrew Theurer
2003-07-29 14:27           ` Martin J. Bligh
2003-08-13 20:49         ` Bill Davidsen
2003-08-22 15:46           ` [Lse-tech] " Andrew Theurer
2003-08-22 22:56             ` Nick Piggin
2003-08-23  0:12               ` Andrew Theurer
2003-08-23  0:29                 ` Nick Piggin
2003-08-23  0:47                   ` William Lee Irwin III
2003-08-23  8:48                     ` Nick Piggin
2003-08-23 14:32                   ` Andrew Theurer
2003-08-23  1:31                 ` Martin J. Bligh
2003-07-29 10:08       ` Erich Focht
2003-07-29 14:41     ` Andi Kleen
2003-07-31 15:05 ` Martin J. Bligh
2003-07-31 21:45   ` Erich Focht
2003-08-01  0:26     ` Martin J. Bligh
2003-08-01 16:30       ` Erich Focht [this message]
2003-07-29 14:06 [Lse-tech] " Mala Anand
2003-07-29 14:29 ` Martin J. Bligh
2003-07-29 16:04 Mala Anand
2003-07-30 16:34 Luck, Tony

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