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Date:      Thu, 11 Apr 2002 11:05:38 -0400
From:      Michael Lucas <mwlucas@blackhelicopters.org>
To:        Storms of Perfection <ancient@outloud.org>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: FreeBSD Advanced tuning advice
Message-ID:  <20020411110538.A93751@blackhelicopters.org>
In-Reply-To: <20020411170423.C43974@straylight.oblivion.bg>; from roam@ringlet.net on Thu, Apr 11, 2002 at 05:04:23PM %2B0300
References:  <5.1.0.14.2.20020410203541.00b27850@208.141.46.3> <20020411081811.A93093@blackhelicopters.org> <20020411170423.C43974@straylight.oblivion.bg>

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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

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