From owner-freebsd-stable Fri Apr 27 18: 8:39 2001 Delivered-To: freebsd-stable@freebsd.org Received: from obsecurity.dyndns.org (adsl-63-207-60-27.dsl.lsan03.pacbell.net [63.207.60.27]) by hub.freebsd.org (Postfix) with ESMTP id 30AA137B423 for ; Fri, 27 Apr 2001 18:08:35 -0700 (PDT) (envelope-from kris@obsecurity.org) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id CF7C166E09; Fri, 27 Apr 2001 18:08:34 -0700 (PDT) Date: Fri, 27 Apr 2001 18:08:34 -0700 From: Kris Kennaway To: User Witr Cc: Alfred Perlstein , stable@FreeBSD.ORG Subject: Re: Trouble with 4.3-RELEASE compiler Message-ID: <20010427180834.B24927@xor.obsecurity.org> References: <20010427155725.L18676@fw.wintelcom.net> <200104280035.UAA11427@ns1.rwwa.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-md5; protocol="application/pgp-signature"; boundary="cvVnyQ+4j833TQvp" Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <200104280035.UAA11427@ns1.rwwa.com>; from witr@rwwa.com on Fri, Apr 27, 2001 at 08:38:30PM -0400 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG --cvVnyQ+4j833TQvp Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Apr 27, 2001 at 08:38:30PM -0400, User Witr wrote: >=20 > bright@wintelcom.net said: > :-As far as I know FreeBSD doesn't support nor recommened compiling > :-things (especially large mission critical programs) with anything > :-higher than -O.=20 >=20 > Out of curiosity, how much potential performance is FreeBSD throwing > away by banning -O2 and -O3? To my naive eyes it would seem better > to light that candle (try fix the -O2 bug) than curse the darkness. > Assuming there is significant performance gain and there truly is only > one major -O2 bug. -O2 used to be considered "safe" didn't it? It's not that significant in many cases, it's mostly just useful to make you feel studly about how massively optimized your system must be. Kris --cvVnyQ+4j833TQvp Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.4 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE66hgSWry0BWjoQKURAm+VAKC2ph5N0M77qRlviJPWLy3s69xRLwCg2ryT 0xajjm6p2ZP4Z3CtuFaMCL0= =zyM/ -----END PGP SIGNATURE----- --cvVnyQ+4j833TQvp-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message