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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [TRIVIAL] kstrdup
Date: 19 Apr 2003 00:37:11 +0100	[thread overview]
Message-ID: <1050709030.2290.12.camel@dhcp22.swansea.linux.org.uk> (raw)
In-Reply-To: <b7pjcp$j8h$1@cesium.transmeta.com>

On Gwe, 2003-04-18 at 20:24, H. Peter Anvin wrote:
> Followup to:  <3EA0469D.7090602@pobox.com>
> > 
> > Which is better?  I don't know; I'm still learning the performance 
> > eccentricities of x86 insns on various processors.
> > 
> 
> It varies from porocessor to processor, and also depends on usage.

Stepping to stepping, even clock speed at stepping in the case of some B
series pentiums. For large copies we hit the kernel optimised stuff like
MMX copiers, for small copies its irrelevant 


  reply	other threads:[~2003-04-19  0:23 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-04-18  7:58 Rusty Trivial Russell
2003-04-18  8:10 ` Jeff Garzik
2003-04-18 16:20   ` Linus Torvalds
2003-04-18 16:56     ` Jeff Garzik
2003-04-18 18:00       ` Linus Torvalds
2003-04-18 18:44         ` Jeff Garzik
2003-04-19  4:52         ` Rusty Russell
2003-04-18 18:00       ` Richard B. Johnson
2003-04-18 18:40         ` Jeff Garzik
2003-04-18 19:24           ` H. Peter Anvin
2003-04-18 23:37             ` Alan Cox [this message]
2003-04-18 19:29           ` Richard B. Johnson
2003-04-19 11:45             ` Kai Henningsen
2003-04-19 20:16             ` Ruth Ivimey-Cook
2003-04-19  4:14   ` Rusty Russell
2003-04-19  4:48     ` Jeff Garzik
2003-04-19  8:28       ` Rusty Russell
2003-04-19 12:27       ` Alan Cox
2003-04-19 14:44         ` Bernd Eckenfels
2003-04-20  8:05         ` Rusty Russell

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