Good CPUTYPE setting for make.conf for mixed environment?
jason henson
jason at ec.rr.com
Fri May 27 19:24:12 PDT 2005
Ryan Rempel wrote:
>I've got several machines that I want to maintain identical
>installations on. Some of them have athlon-xp CPUs and some have
>pentium4's.
>
>What would be a good CPUTYPE setting to use in make.conf? Would an
>athlon-xp run well (or at all) if I used pentium4? Would a pentium4
>run well (or at all) if I used athlon-xp? Or should I use a "lowest
>common denominator" (and if so, what -- something like i686 perhaps?).
>
>I guess the other question is whether I should worry about this at all
>-- I've got no CPUTYPE setting in make.conf at the moment at all --
>would a more "tuned" setting actually make that much difference?
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>
I would say if you are not fully loaded it would make no difference.
Then if you are you need to check to see if even using CPUTYPE=i686
speeds up some and slows some down. It does not really matter for the
kernel, the kernel does not use SSE or any special instructions AFAIK.
/usr/share/examples/etc/make.conf
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