From: Dave Jones <davej@redhat.com>
To: "Joseph D. Wagner" <theman@josephdwagner.info>
Cc: linux-kernel@vger.kernel.org
Subject: Re: FEATURE REQUEST: Specific Processor Optimizations on x86 Architecture
Date: Thu, 23 Oct 2003 01:15:47 +0100 [thread overview]
Message-ID: <20031023001547.GA18395@redhat.com> (raw)
In-Reply-To: <200310221855.15925.theman@josephdwagner.info>
On Wed, Oct 22, 2003 at 06:55:15PM +0600, Joseph D. Wagner wrote:
> If you select Pentium III, the -march flag is set to pentium3.
> If you select Pentium 4, the -march flag is set to pentium4.
Already done for 2.6
> If you select Athlon 4, the -march flag is set to athlon-4.
> If you select Athlon XP, the -march flag is set to athlon-xp.
Last time I looked these made absolutely no difference to performance
due to the only differences being on FP code.
Dave
--
Dave Jones http://www.codemonkey.org.uk
next prev parent reply other threads:[~2003-10-23 0:15 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-22 12:55 FEATURE REQUEST: Specific Processor Optimizations on x86 Architecture Joseph D. Wagner
2003-10-23 0:12 ` Måns Rullgård
2003-10-22 13:26 ` Joseph D. Wagner
2003-10-23 0:37 ` Michael Rozhavsky
2003-10-23 0:15 ` Dave Jones [this message]
2003-10-22 13:47 ` Joseph D. Wagner
2003-10-23 1:02 ` Rik van Riel
2003-10-23 1:14 ` Joseph D. Wagner
2003-10-23 1:18 ` Rik van Riel
2003-10-23 9:26 ` Jan-Benedict Glaw
2003-10-23 9:35 ` Måns Rullgård
2003-10-23 1:06 ` Tim Hockin
2003-10-22 15:40 ` Joseph D. Wagner
2003-10-23 14:57 ` Rik van Riel
2003-10-23 1:23 ` Dave Jones
2003-10-22 15:35 ` Joseph D. Wagner
2003-10-23 2:52 ` William Lee Irwin III
2003-10-23 9:35 ` Jan-Benedict Glaw
2003-10-23 13:40 ` Jesse Pollard
2003-10-23 14:57 ` Charles Cazabon
2003-10-23 15:34 ` David Zaffiro
2003-10-23 17:26 ` Rob
2003-10-23 23:05 ` J.A. Magallon
2003-10-23 23:24 ` Nick Piggin
[not found] ` <200310241301.41230.ioe-lkml@rameria.de>
2003-10-27 15:20 ` J.A. Magallon
2003-10-27 20:52 ` Zwane Mwaikambo
[not found] <JB3R.23s.23@gated-at.bofh.it>
[not found] ` <JBn4.2xt.19@gated-at.bofh.it>
[not found] ` <JBPW.36x.3@gated-at.bofh.it>
2003-10-23 8:32 ` Ihar 'Philips' Filipau
2003-10-23 8:37 ` Ihar 'Philips' Filipau
[not found] ` <JWKQ.7nS.15@gated-at.bofh.it>
[not found] ` <LhtX.bs.15@gated-at.bofh.it>
[not found] ` <LhtX.bs.13@gated-at.bofh.it>
2003-10-27 18:33 ` Andi Kleen
2003-10-27 21:05 ` Zwane Mwaikambo
[not found] <JB3R.23s.23@gated-at.bofh.it.suse.lists.linux.kernel>
[not found] ` <JWKQ.7nS.15@gated-at.bofh.it.suse.lists.linux.kernel>
[not found] ` <LhtX.bs.15@gated-at.bofh.it.suse.lists.linux.kernel>
[not found] ` <LhtX.bs.13@gated-at.bofh.it.suse.lists.linux.kernel>
[not found] ` <m3k76qsf8i.fsf@averell.firstfloor.org.suse.lists.linux.kernel>
[not found] ` <Pine.LNX.4.53.0310271603580.21953@montezuma.fsmlabs.com.suse.lists.linux.kernel>
2003-10-27 21:15 ` Andi Kleen
2003-11-18 14:28 ` Zwane Mwaikambo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20031023001547.GA18395@redhat.com \
--to=davej@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=theman@josephdwagner.info \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).