From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 13351 invoked by alias); 30 May 2005 14:59:54 -0000 Mailing-List: contact gsl-discuss-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gsl-discuss-owner@sources.redhat.com Received: (qmail 13300 invoked by uid 22791); 30 May 2005 14:59:48 -0000 Received: from anchor-fallback-94.mail.demon.net (HELO anchor-fallback-94.mail.demon.net) (194.217.242.94) by sourceware.org (qpsmtpd/0.30-dev) with ESMTP; Mon, 30 May 2005 14:59:48 +0000 Received: from anchor-post-35.mail.demon.net ([194.217.242.85]:4129 "EHLO anchor-post-35.mail.demon.net") by anchor-fallback-94.mail.demon.net with ESMTP id S946996AbVE3O7g (ORCPT ); Mon, 30 May 2005 15:59:36 +0100 Received: from ccrsolutions.demon.co.uk ([83.104.158.99] helo=kolmogorov.optimanumerics.com) by anchor-post-35.mail.demon.net with smtp (Exim 4.42) id 1DchqC-000NFd-H7 for gsl-discuss@sources.redhat.com; Mon, 30 May 2005 10:49:52 +0000 Received: (qmail 16356 invoked by uid 1015); 30 May 2005 10:53:46 -0000 Received: from 192.168.3.93 by kolmogorov.internal.optimanumerics.com (envelope-from , uid 1002) with qmail-scanner-1.25 (f-prot: 4.5.4/3.16.6. Clear:RC:1(192.168.3.93):. Processed in 2.061242 secs); 30 May 2005 10:53:46 -0000 X-Qmail-Scanner-Mail-From: cjtan@OptimaNumerics.com via kolmogorov.internal.optimanumerics.com X-Qmail-Scanner: 1.25 (Clear:RC:1(192.168.3.93):. Processed in 2.061242 secs) Received: from kontrovich.internal.optimanumerics.com (192.168.3.93) by 0 with QMTP; 30 May 2005 10:53:43 -0000 Received: (qmail 12537 invoked from network); 30 May 2005 10:53:38 -0000 Received: from localhost (127.0.0.1) by 0 with SMTP; 30 May 2005 10:53:38 -0000 Date: Mon, 30 May 2005 14:59:00 -0000 From: C J Kenneth Tan -- OptimaNumerics To: Paolo Zavarise cc: =?UTF-8?Q?Jochen_K=FCpper?= , gsl-discuss@sources.redhat.com Subject: Re: [Help-gsl] Speed problem In-Reply-To: Message-ID: References: <42944CB0.8030106@paolo.zavarise.name> URL: http://www.OptimaNumerics.com MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="656128-2015187974-1117450418=:8791" X-SW-Source: 2005-q2/txt/msg00019.txt.bz2 This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --656128-2015187974-1117450418=:8791 Content-Type: TEXT/PLAIN; charset=UTF-8 Content-Transfer-Encoding: 8BIT Content-length: 1605 Paolo, What are the operations/functions/routines that you are using? How are you measuring performance? Which platform is this? Kenneth Tan -------------------------------------------------------------------------- News: OptimaNumerics Libraries: Increase Performance on Solaris 10 -------------------------------------------------------------------------- C. J. Kenneth Tan, Ph.D. OptimaNumerics Ltd. Telephone: +44 798 941 7838 E-mail: cjtan@OptimaNumerics.com Telephone: +44 871 504 3328 Web: http://www.OptimaNumerics.com Facsimile: +44 289 066 3015 -------------------------------------------------------------------------- On 2005-05-25 23:09 +0200 Jochen Küpper (jochen@fhi-berlin.mpg.de) wrote: > Date: Wed, 25 May 2005 23:09:27 +0200 > From: "[iso-8859-1] Jochen Küpper" > To: gsl-discuss@sources.redhat.com > Subject: Re: [Help-gsl] Speed problem > > Paolo Zavarise writes: > > > GSL 1.6 compiled by myself is five/ten time slower than GSL included in > > ubuntu (1.5.90, same one I think). I've compiled with configure/make, no > > options, and installed in a non-default dir. > > Did you compile with optimizations? If not, try setting CFLAGS, i.e. > ,---- > | export CFLAGS="-g -O2 -pipe -Wall" > `---- > Best would be to look at the GCC manual... > > Greetings, > Jochen > -- > Einigkeit und Recht und Freiheit http://www.Jochen-Kuepper.de > Liberté, Égalité, Fraternité GnuPG key: CC1B0B4D > (Part 3 you find in my messages before fall 2003.) > --656128-2015187974-1117450418=:8791--