From owner-freebsd-performance@FreeBSD.ORG Wed Apr 14 02:21:44 2004 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 85A7F16A4CE for ; Wed, 14 Apr 2004 02:21:44 -0700 (PDT) Received: from boleskine.patpro.net (boleskine.patpro.net [62.4.20.155]) by mx1.FreeBSD.org (Postfix) with ESMTP id 08AAD43D48 for ; Wed, 14 Apr 2004 02:21:44 -0700 (PDT) (envelope-from patpro@patpro.net) Received: from [192.168.0.1] (cassandre [192.168.0.1]) by boleskine.patpro.net (Postfix) with ESMTP id C849239F for ; Wed, 14 Apr 2004 11:21:45 +0200 (CEST) Mime-Version: 1.0 (Apple Message framework v613) In-Reply-To: <20040413190123.D261E16A4E6@hub.freebsd.org> References: <20040413190123.D261E16A4E6@hub.freebsd.org> Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: <23FFDAB6-8DF5-11D8-8A50-0030654D97EC@patpro.net> Content-Transfer-Encoding: 7bit From: Patrick Proniewski Date: Wed, 14 Apr 2004 11:21:41 +0200 To: freebsd-performance@freebsd.org X-Mailer: Apple Mail (2.613) Subject: Re: optimization of the system by recompilation X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Apr 2004 09:21:44 -0000 On 13 avr. 2004, at 21:01, freebsd-performance-request@freebsd.org wrote: > So, as You can see, there is not a simple answer to Your question in > the common case. > If You interested in high performance in some specific task - You must > test the task > on different hardware platforms with different optimizations (or > without ones ;-) Ok, thank you very much for the comprehensive reply ! OpenSSL results in particular are very interesting. I've noticed that the idea cbc bench will just not run on a non-Athlon optimized binary (on the Athlon of course). Do you have any explanations ? regards, patpro -- je cherche un poste d'admin-sys Mac/UNIX (ou une jeune et jolie femme riche) http://patpro.net/cv.php