From owner-freebsd-alpha Wed Mar 22 23: 7: 4 2000 Delivered-To: freebsd-alpha@freebsd.org Received: from freeway.dcfinc.com (cx74889-a.phnx3.az.home.com [24.1.193.157]) by hub.freebsd.org (Postfix) with ESMTP id E43CB37BA59; Wed, 22 Mar 2000 23:06:57 -0800 (PST) (envelope-from chad@freeway.dcfinc.com) Received: (from chad@localhost) by freeway.dcfinc.com (8.8.8/8.8.8) id AAA22252; Thu, 23 Mar 2000 00:06:52 -0700 (MST) (envelope-from chad) From: "Chad R. Larson" Message-Id: <200003230706.AAA22252@freeway.dcfinc.com> Subject: Re: Compiler problems with -O2 (was Re: CVS Trouble, even under 4.0-RELEASE (alpha) HELP!) In-Reply-To: <20000322163007.D21029@fw.wintelcom.net> from Alfred Perlstein at "Mar 22, 0 04:30:07 pm" To: bright@wintelcom.net (Alfred Perlstein) Date: Thu, 23 Mar 2000 00:06:51 -0700 (MST) Cc: blk@skynet.be, obrien@FreeBSD.ORG, howardl@account.abs.net, freebsd-alpha@FreeBSD.ORG, freebsd-stable@FreeBSD.ORG Reply-To: chad@DCFinc.com X-Mailer: ELM [version 2.4ME+ PL40 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org >> I'm sorry, at best here we're talking a few tenths of a >> percentage point of increased speed (if that), and maybe a few >> milliseconds saved -- right? > > 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. :( FWIW, I've used -O2 on my 2.2.8-STABLE systems with absolutely no (apparent) problems. -crl -- Chad R. Larson (CRL15) 602-953-1392 Brother, can you paradigm? chad@dcfinc.com chad@larsons.org larson1@home.net DCF, Inc. - 14623 North 49th Place, Scottsdale, Arizona 85254-2207 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message