Date: Thu, 6 Apr 2006 00:30:35 -0500 From: "Nikolas Britton" <nikolas.britton@gmail.com> To: freebsd-stable@freebsd.org Subject: Pros and Cons of amd64 (versus i386). Message-ID: <ef10de9a0604052230y1efb39fdvd78ae6086e9218f7@mail.gmail.com>
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Hello all, I will be getting my very first 64-bit x86 system tomorrow and I don't know anything about the platform at the software level. The last time I touched an AMD based system was in the socket 7 days. HELP!, what do I do with the extra 32-bits of CPU goodness? :-) $200 bucks got me a Athlon 64 3000+ Venice and a ASUS A8V Motherboard. I'll be converting my Pentium 4 2.26GHz desktop system that has FreeBSD 6.1-PRERELEASE i386 on it, gcc is currently set to build with -march=3Dpentium2 and -mtune=3Dpentium4 via make.conf * How do I buildworld to amd64, and should I? * What are the best gcc -mtune / -march flags to use? * What do all the other -m flags do? * What -march flags won't run on the AMD platform, will CPUTYPE=3Dp2 work o= n AMD? * Can I still build packages for other i386 (non 64-bit) systems? * Where can I find more info about FreeBSD on AMD? * What did I forget to add here? Thanks guys. -- BSD Podcasts @ http://bsdtalk.blogspot.com/
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