From owner-freebsd-performance@FreeBSD.ORG Wed Feb 11 17:42:47 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 9D3BC16A4CE for ; Wed, 11 Feb 2004 17:42:47 -0800 (PST) Received: from sml.dyndns.org (203186022064.ctinets.com [203.186.22.64]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6B2AB43D1F for ; Wed, 11 Feb 2004 17:42:47 -0800 (PST) (envelope-from lkthomas@sml.dyndns.org) Received: from localhost (unknown [127.0.0.1]) by sml.dyndns.org (Postfix) with ESMTP id C8950A4B1F; Thu, 12 Feb 2004 09:58:16 +0800 (HKT) Received: from sml.dyndns.org ([127.0.0.1]) by localhost (sml.dyndns.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 15282-17; Thu, 12 Feb 2004 09:58:14 +0800 (HKT) Received: from sml.dyndns.org (203186022064.ctinets.com [203.186.22.64]) by sml.dyndns.org (Postfix) with SMTP id 8D891A4B1B; Thu, 12 Feb 2004 09:58:14 +0800 (HKT) Received: from 203.132.202.9 (SquirrelMail authenticated user lkthomas) by sml.dyndns.org with HTTP; Thu, 12 Feb 2004 09:58:14 +0800 (HKT) Message-ID: <32312.203.132.202.9.1076551094.squirrel@sml.dyndns.org> In-Reply-To: <402AD905.7060305@pacific.net.sg> References: <22631.203.132.202.9.1076548595.squirrel@sml.dyndns.org> <402AD905.7060305@pacific.net.sg> Date: Thu, 12 Feb 2004 09:58:14 +0800 (HKT) From: "Thomas Graham" To: "Erich Dollansky" User-Agent: SquirrelMail/1.4.2 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 Importance: Normal X-Virus-Scanned: by amavisd-new at sml.dyndns.org cc: freebsd-performance@freebsd.org Subject: Re: -O3 buildworld = no improvement 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: Thu, 12 Feb 2004 01:42:47 -0000 moreover, I try to compile mozilla-firebird using -O3 optimize, the finally result is, core dump when I execute it, anyone know the reason for this ? Thanks. > Hi, > > Thomas Graham wrote: > >> I do a few hacks, finally, -O3 buildworld success, and I try to bootup, >> but I didn't feel any improvement, how come ? >> >> > The CPU is waiting most of the time anyway. For your input, for > the hard disk ... > > You would see the difference only under high load. > > Erich > -- HK Celtic Orchestra leader and coordanator: Thomas Graham Lau Phone number: 852-93239670 (24hours a day, 7days a week non-stop phone) Web site: http://sml.dyndns.org Email: lkthomas@sml.dyndns.org Celtic Newage radiostation: http://sml.dyndns.org:8000