Date: Thu, 26 May 2005 12:12:39 -0400 (EDT) From: "Mike Jakubik" <mikej@rogers.com> To: "Kris Kennaway" <kris@obsecurity.org> Cc: freebsd-amd64@freebsd.org Subject: Re: amd64 optimized gcc? Message-ID: <2302.172.16.0.199.1117123959.squirrel@172.16.0.1> In-Reply-To: <20050526155612.GA38421@xor.obsecurity.org> References: <200505251317.22128.nb_root@videotron.ca> <429514AF.5000306@roq.com> <20050526155612.GA38421@xor.obsecurity.org>
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On Thu, May 26, 2005 11:56 am, Kris Kennaway said: > On Thu, May 26, 2005 at 10:13:35AM +1000, Michael VInce wrote: >> for warranty to come through on my old one. I did a buildworld under >> 'CPUTYPE=athlon64' in make.conf and 'CFLAGS= >> -O2 -pipe -funroll-loops' for the the kernel. >> I also used both to build all my ports including xorg and KDE. >> > >> All this combined has made my laptop feel a lot faster. >> > > Google for 'placebo effect' :-) Unfortunately, leet optimization flags > do not measurably effect everyday system performance, only specific > CPU-intensive operations. Tell that to the Gentoo people :)
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