Date: Mon, 4 Apr 2005 06:54:00 -0500 From: "Conrad J. Sabatier" <conrads@cox.net> To: Bachelier Vincent <vincent_bachelier@yahoo.fr> Cc: freebsd-questions@freebsd.org Subject: Re: AMD64 optimization on FreeBSD 5.4 i386 Message-ID: <20050404065400.5df59456@dolphin.local.net> In-Reply-To: <20050404073532.GA13922@localhost> References: <20050404073532.GA13922@localhost>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, 4 Apr 2005 09:35:32 +0200, Bachelier Vincent <vincent_bachelier@yahoo.fr> wrote: > Hi, I have a AMD64 and use FreeBSD 5.4 i386. Why aren't you using the amd64 version of FreeBSD? > I have set CPUTYPE=k8 to optimize a little for my computer. > I have seen they set march=athlon-mp when it compile something. I you were running amd64, you could use CPUTYPE=athlon64. > Ok, I have see they is a difference between march=k8 and > march=athlon-mp > > Have a idea ? Yes, download the ISO for amd64 and install it. :-) > Does I compile with march=k8 under cflags ? > for example: CFLAGS=-O2 -march=k8 -pipe > CXXFLAGS=$CFLAGS I think the CXXFLAGS setting is unnecessary, as this will happen by default. > Well, what do you think ? I think you should be running amd64. :-) > could I optimize more than CPUTYPE=k8 ? Yes. See above. :-) Seriously, though, the amd64 version of FreeBSD is quite stable and usable, and would allow you to take full advantage of your machine's 64-bit architecture. Why settle for less? -- Conrad J. Sabatier <conrads@cox.net> -- "In Unix veritas"
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20050404065400.5df59456>