From: Dave Jones <davej@codemonkey.org.uk>
To: Ed Sweetman <ed.sweetman@wmich.edu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [CFT] faster athlon/duron memory copy implementation
Date: Thu, 24 Oct 2002 21:26:54 +0100 [thread overview]
Message-ID: <20021024202654.GA14351@suse.de> (raw)
In-Reply-To: <3DB85385.6030302@wmich.edu>
On Thu, Oct 24, 2002 at 04:09:41PM -0400, Ed Sweetman wrote:
>
> I seem to be seeing compiler optimizations come into play with the
> numbers and not any mention of them that i've seen has been talked
> about. That could be causing any discrepencies with predicted values. So
> not only would we have to look at algorithms, but also the compilers and
> what optimizations we plan on using them with. Some do better on
> certain compilers+flags than others. It's a mixmatch that seems to only
> get complicated the more realistic you make it.
The functions being benchmarked are written in assembly.
gcc will not change these in any way, making compiler flags
or revision irrelevant.
Dave
--
| Dave Jones. http://www.codemonkey.org.uk
next prev parent reply other threads:[~2002-10-24 20:18 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-24 17:15 [CFT] faster athlon/duron memory copy implementation Manfred Spraul
2002-10-24 17:37 ` Robert Love
2002-10-24 18:05 ` Zach Brown
2002-10-24 17:41 ` Andreas Steinmetz
2002-10-24 17:48 ` Matthias Welk
2002-10-24 19:01 ` erich
2002-10-24 19:11 ` Arjan van de Ven
2002-10-24 19:38 ` Manfred Spraul
2002-10-25 0:59 ` Panagiotis Papadakos
2002-10-24 17:53 ` Roger Luethi
2002-10-24 18:10 ` Daniel Egger
2002-10-24 19:15 ` Florin Iucha
2002-10-24 19:28 ` Manfred Spraul
2002-10-24 19:38 ` Dave Jones
2002-10-24 19:43 ` Ken Witherow
2002-10-25 13:08 ` Daniel Egger
2002-10-24 18:17 ` Eric Lammerts
2002-10-24 18:26 ` David Rees
2002-10-24 18:35 ` Josh McKinney
2002-10-24 18:36 ` Dave Jones
2002-10-24 18:43 ` Simon Fowler
2002-10-24 18:50 ` Simon Fowler
2002-10-24 18:56 ` Dave Jones
2002-10-24 18:48 ` Ernst Herzberg
2002-10-24 20:09 ` Ed Sweetman
2002-10-24 20:13 ` Robert Love
2002-10-24 20:31 ` Ed Sweetman
2002-10-24 20:49 ` Dave Jones
2002-10-24 20:26 ` Dave Jones [this message]
2002-10-25 9:19 ` Måns Rullgård
2002-10-24 19:11 ` Marcus Libäck
2002-10-24 19:19 ` Brian Gerst
2002-10-24 19:31 ` Matthias Schniedermeyer
2002-10-24 19:33 ` Pascal Schmidt
2002-10-24 19:39 ` Olaf Dietsche
2002-10-24 20:27 ` Mike Civil
2002-10-24 20:44 ` Willy TARREAU
2002-10-24 21:46 ` Josh Fryman
2002-10-24 22:18 ` Tim Schmielau
2002-10-24 23:09 ` Hirokazu Takahashi
2002-10-24 23:37 ` Ryan Cumming
2002-10-25 0:10 ` Matthias Andree
2002-10-25 8:35 ` venom
2002-10-25 13:31 ` Denis Vlasenko
2002-10-26 12:11 ` Jurjen Oskam
-- strict thread matches above, loose matches on Subject: below --
2002-10-24 18:27 Shawn Starr
2002-10-24 20:51 Dieter Nützel
2002-10-24 21:01 ` Dieter Nützel
2002-10-24 21:16 ` Willy TARREAU
2002-10-24 22:01 Harm Verhagen
2002-10-25 16:29 Jorge Bernal "Koke"
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