From: Robert Love <rml@tech9.net>
To: davidm@hpl.hp.com
Cc: Davide Libenzi <davidel@xmailserver.org>,
Linus Torvalds <torvalds@transmeta.com>,
linux-kernel@vger.kernel.org
Subject: Re: Why HZ on i386 is 100 ?
Date: 16 Apr 2002 20:57:09 -0400 [thread overview]
Message-ID: <1019005044.1670.16.camel@phantasy> (raw)
In-Reply-To: <15548.50859.169392.857907@napali.hpl.hp.com>
On Tue, 2002-04-16 at 20:49, David Mosberger wrote:
> But since it's popular, I did measure it quickly on a relatively
> slow (old) Itanium box: with 100Hz, the kernel compile was about
> 0.6% faster than with 1024Hz (2.4.18 UP kernel).
One question I have always had is why 1024 and not 1000 ?
Because that is what Alpha does? It seems to me there is no reason for
a power-of-two timer value, and using 1024 vs 1000 just makes the math
and rounding more difficult.
Robert Love
next prev parent reply other threads:[~2002-04-17 0:57 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-16 7:47 Why HZ on i386 is 100 ? Olaf Fraczyk
2002-04-16 8:14 ` William Lee Irwin III
2002-04-16 8:18 ` BALBIR SINGH
2002-04-16 10:29 ` Liam Girdwood
2002-04-16 10:01 ` Olaf Fraczyk
2002-04-16 13:35 ` Terje Eggestad
2002-04-16 13:38 ` Mark Mielke
2002-04-16 13:55 ` Terje Eggestad
2002-04-16 15:32 ` Rik van Riel
2002-04-16 16:12 ` Chris Friesen
2002-04-16 17:12 ` Mark Mielke
2002-04-16 13:58 ` Alan Cox
2002-04-17 0:22 ` H. Peter Anvin
2002-04-16 16:27 ` Linus Torvalds
2002-04-16 16:50 ` David Mosberger
2002-04-16 17:18 ` Davide Libenzi
2002-04-16 17:52 ` David Mosberger
2002-04-16 18:10 ` Davide Libenzi
2002-04-17 0:49 ` David Mosberger
2002-04-17 0:57 ` Robert Love [this message]
2002-04-17 1:07 ` Davide Libenzi
2002-04-17 5:18 ` Mark Mielke
2002-04-17 5:34 ` Linus Torvalds
2002-04-17 6:01 ` Robert Love
2002-04-17 6:17 ` David Mosberger
2002-04-17 7:59 ` arjan
2002-04-17 8:04 ` Matti Aarnio
2002-04-23 22:42 ` Albert D. Cahalan
2002-04-17 10:12 ` Martin Dalecki
2002-04-18 1:51 ` Dan Mann
2002-04-17 1:22 ` Davide Libenzi
2002-04-17 3:19 ` Ben Greear
2002-04-17 7:55 ` Helge Hafting
2002-04-21 18:00 ` Pavel Machek
2002-04-22 17:20 ` John Alvord
2002-04-22 21:52 ` george anzinger
2002-04-22 23:06 ` J.D. Bakker
2002-04-22 23:26 ` Anton Blanchard
2002-04-23 19:03 ` george anzinger
2002-04-23 7:08 ` Alan Cox
2002-04-22 17:24 ` David Mosberger
2002-04-16 12:42 ` Richard B. Johnson
2002-04-16 12:31 ` Richard B. Johnson
2002-04-16 14:04 ` Bill Davidsen
2002-04-16 21:34 ` bert hubert
2002-04-16 22:21 ` Andreas Dilger
2002-04-16 22:37 ` Herbert Xu
2002-04-16 22:56 ` Andreas Dilger
2002-04-17 0:34 ` J. Dow
2002-04-17 2:40 ` Herbert Xu
2002-04-17 12:44 ` Kent Borg
2002-04-17 8:28 ` please merge 64-bit jiffy patches. Was " bert hubert
2002-04-17 11:05 ` please merge 64-bit jiffy patches Tim Schmielau
2002-04-17 11:12 ` bert hubert
2002-04-17 12:33 ` Bill Davidsen
2002-04-17 12:42 ` bert hubert
2002-04-17 14:57 ` Bill Davidsen
2002-04-17 11:09 ` please merge 64-bit jiffy patches. Was Re: Why HZ on i386 is 100 ? Wakko Warner
-- strict thread matches above, loose matches on Subject: below --
2002-04-16 10:41 Cabaniols, Sebastien
2002-04-17 0:33 Chen, Kenneth W
2002-04-17 1:02 ` Davide Libenzi
[not found] <3CC4861C.F21859A6@mvista.com.suse.lists.linux.kernel>
[not found] ` <E16zuPf-0007yD-00@the-village.bc.nu.suse.lists.linux.kernel>
2002-04-23 7:17 ` Andi Kleen
2002-04-23 19:09 ` george anzinger
2002-04-24 1:42 ` Alan Cox
2002-04-24 20:20 ` george anzinger
2002-04-27 20:26 ` Alan Cox
2002-04-28 6:02 ` george anzinger
2002-04-28 9:12 ` Alan Cox
2002-04-28 17:34 ` george anzinger
2002-04-28 18:59 ` Alan Cox
2002-04-28 21:50 ` george anzinger
2002-04-29 0:14 ` Alan Cox
2002-04-23 19:24 ` george anzinger
2002-04-23 19:35 ` Andi Kleen
2002-04-24 17:25 ` Maciej W. Rozycki
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