From owner-freebsd-stable Thu Mar 23 5: 0: 9 2000 Delivered-To: freebsd-stable@freebsd.org Received: from trinity.skynet.be (trinity.skynet.be [195.238.2.38]) by hub.freebsd.org (Postfix) with ESMTP id E9AE137BE84; Thu, 23 Mar 2000 04:59:58 -0800 (PST) (envelope-from blk@skynet.be) Received: from [195.238.1.121] (brad.techos.skynet.be [195.238.1.121]) by trinity.skynet.be (Postfix) with ESMTP id 6B221181D1; Thu, 23 Mar 2000 13:59:10 +0100 (MET) Mime-Version: 1.0 X-Sender: blk@pop.skynet.be Message-Id: In-Reply-To: <20000322163007.D21029@fw.wintelcom.net> References: <14552.58589.119082.742615@grasshopper.cs.duke.edu> <200003222003.PAA51043@account.abs.net> <20000322130901.A97411@dragon.nuxi.com> <20000322163007.D21029@fw.wintelcom.net> Date: Thu, 23 Mar 2000 13:58:11 +0100 To: Alfred Perlstein From: Brad Knowles Subject: Re: Compiler problems with -O2 (was Re: CVS Trouble, even under 4.0-RELEASE (alpha) HELP!) Cc: obrien@FreeBSD.ORG, Howard Leadmon , freebsd-alpha@FreeBSD.ORG, freebsd-stable@FreeBSD.ORG Content-Type: text/plain; charset="us-ascii" ; format="flowed" Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG At 4:30 PM -0800 2000/3/22, Alfred Perlstein wrote: > Actually the difference between -O and -O2 the times i've looked > at the generated code was substantial, but I guess that brings > along complexity that still needs to be worked out. :( I don't suppose you know of a web page that summarizes these kinds of results, do you? I'd be curious to see what kinds of optimizations might make what kinds of differences with what kinds of applications, the kernel, etc.... Thanks! -- These are my opinions -- not to be taken as official Skynet policy ====================================================================== Brad Knowles, || Belgacom Skynet SA/NV Systems Architect, Mail/News/FTP/Proxy Admin || Rue Colonel Bourg, 124 Phone/Fax: +32-2-706.13.11/12.49 || B-1140 Brussels http://www.skynet.be || Belgium To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message