Re: CPU specific/optimized Debian builds ?
Joe Wreschnig <email@example.com> writes:
> > Since GCC optimizations are (by default) carefully tuned, such that
> > only those which help a given chip are enabled for that chip, I'm
> > wondering if you can be more precise.
> I've heard this too (but I've seen about as much evidence of this as I
> have of the 30% claimed speedups from optimizations, so I don't claim
> it's right). Apparently it has something to do with e.g. i586
> optimizations being slower than i386 (no optimization except
> platform-independant ones) on i686 chips, or vice versa, or Intel
> optimizations slowing down AMD and vice versa.
Right. So you use the i586 optimizations on an i586, and the i386
optimizations on an i386. Why is this so confusing?
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