From: Kurt Garloff <kurt@garloff.de>
To: Nick Craig-Wood <ncw1@axis.demon.co.uk>
Cc: Linux kernel list <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.0 Huge pages not working as expected
Date: Tue, 6 Jan 2004 15:24:12 +0100 [thread overview]
Message-ID: <20040106142412.GN3248@tpkurt.garloff.de> (raw)
In-Reply-To: <20031226201011.GA32316@axis.demon.co.uk>
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On Fri, Dec 26, 2003 at 08:10:11PM +0000, Nick Craig-Wood wrote:
> (Interesting note - the 700 MHz P3 laptop is nearly twice as fast as
> the 1.7 GHx P4 dekstop (261ms vs 489ms) at the span 4096 case, but the
> P4 beats the P3 by a factor of 23 for the stride 1 (3ms vs 71 ms)!)
The factor is 6.2 (11.5ms vs 71ms), which is 2 * 1700/550.
Still impressive: P4 is doing twice the work per cycle compared to PIII.
Regards,
--
Kurt Garloff <kurt@garloff.de> [Koeln, DE]
Physics:Plasma modeling <garloff@plasimo.phys.tue.nl> [TU Eindhoven, NL]
Linux:SCSI, Security <garloff@suse.de> [SUSE Nuernberg, DE]
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prev parent reply other threads:[~2004-01-06 14:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-26 10:54 2.6.0 Huge pages not working as expected Nick Craig-Wood
2003-12-26 11:56 ` William Lee Irwin III
2003-12-26 20:10 ` Nick Craig-Wood
2003-12-26 20:15 ` William Lee Irwin III
2003-12-26 20:33 ` Linus Torvalds
2003-12-27 3:36 ` Andrea Arcangeli
2003-12-27 4:01 ` Linus Torvalds
2003-12-27 9:28 ` David S. Miller
2003-12-27 15:58 ` Andrea Arcangeli
2003-12-27 9:01 ` Nick Craig-Wood
2004-01-06 14:24 ` Kurt Garloff [this message]
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