Changing the default 32-bit x86 arch for Fedora 12

Peter Robinson pbrobinson at gmail.com
Wed Jun 17 15:30:36 UTC 2009


>> Someone else ask what the real benefit to moving to i686+SSE2 is.
>> I haven't seen overwhelming evidence that a huge benefit exists.
>> I think somone is working on gathering more data, but unless it shows
>> massive gains
>
> To be relevant, such data gathering should be performed on non-x86_64
> capable CPUs, because there are already fully optimized Fedora packages for
> x86_64.
>
> So that's Pentium 4, Pentium M or their Celeron or Xeon versions, Atom or
> VIA C7. There does not seem to be any AMD CPUs that supports SSE2 but does
> not support x86_64.

Xeon went 64 bit long before the desktop processors did.

Peter




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