From owner-freebsd-hackers Thu Apr 11 8: 5:45 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from blackhelicopters.org (geburah.blackhelicopters.org [209.69.178.18]) by hub.freebsd.org (Postfix) with ESMTP id 8B91F37B404 for ; Thu, 11 Apr 2002 08:05:40 -0700 (PDT) Received: (from mwlucas@localhost) by blackhelicopters.org (8.11.6/8.11.6) id g3BF5cQ93775; Thu, 11 Apr 2002 11:05:38 -0400 (EDT) (envelope-from mwlucas) Date: Thu, 11 Apr 2002 11:05:38 -0400 From: Michael Lucas To: Storms of Perfection , freebsd-hackers@FreeBSD.ORG Subject: Re: FreeBSD Advanced tuning advice Message-ID: <20020411110538.A93751@blackhelicopters.org> References: <5.1.0.14.2.20020410203541.00b27850@208.141.46.3> <20020411081811.A93093@blackhelicopters.org> <20020411170423.C43974@straylight.oblivion.bg> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20020411170423.C43974@straylight.oblivion.bg>; from roam@ringlet.net on Thu, Apr 11, 2002 at 05:04:23PM +0300 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thu, Apr 11, 2002 at 05:04:23PM +0300, Peter Pentchev wrote: > > Erm.. gcc has quite a lot more flags than the -On optimizations :) > There are things like -march, -mcpu, -fomit-frame-pointer, -funroll-loops > and others.. unfortunately, I am not the best person to ask about those :) > Yes, but every time I've seen those brought up, the high-level hackers here say "Don't do that." :) If we could get a definitive answer on acceptable flags, I'll put it in the FAQ. -- Michael Lucas mwlucas@FreeBSD.org, mwlucas@BlackHelicopters.org http://www.oreillynet.com/pub/q/Big_Scary_Daemons Absolute BSD: http://www.nostarch.com/abs_bsd.htm To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message