From owner-freebsd-hackers Thu Apr 11 21:48:22 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from one.net (ip-216-23-55-100.adsl.one.net [216.23.55.100]) by hub.freebsd.org (Postfix) with SMTP id 897DC37B405 for ; Thu, 11 Apr 2002 21:48:19 -0700 (PDT) Received: (qmail 37883 invoked by uid 1001); 12 Apr 2002 04:49:09 -0000 Date: Fri, 12 Apr 2002 00:49:09 -0400 From: Coleman Kane To: Michael Lucas Cc: Storms of Perfection , freebsd-hackers@FreeBSD.ORG Subject: Re: FreeBSD Advanced tuning advice Message-ID: <20020412004909.C37834@freebsd.org> References: <5.1.0.14.2.20020410203541.00b27850@208.141.46.3> <20020411081811.A93093@blackhelicopters.org> <20020411170423.C43974@straylight.oblivion.bg> <20020411110538.A93751@blackhelicopters.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020411110538.A93751@blackhelicopters.org> User-Agent: Mutt/1.3.22.1i 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 The CPUTYPE variable in make.conf handles this, look at src/share/mk/bsd.cpu.mk. -- coleman On Thu, Apr 11, 2002 at 11:05:38AM -0400, Michael Lucas wrote: > 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 > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message