Re: CPU specific/optimized Debian builds ?
On Thu, May 23, 2002 at 10:42:02PM +1000, Glenn McGrath wrote:
> On Thu, 23 May 2002 07:31:05 -0400 "Michael Stone" <mstone@debian.org> wrote:
> > Do you have actual benchmarks rather than hearsay from some leet /.
> > kiddie? No one has ever come to debian with a convincing set of numbers
> > that indicate that optimizing intel builds buys any significant
> > advantage.
>
> It would be very stupid to suggest it makes it slower.
Would it? If you don't have numbers you have *nothing* to back that
assertion. We see hand waving advocacy every couple of months about this
subject, but in the past several *years* no one has cared enough to do
some real research and demonstrate a benefit. "It Stands To Reason" is
frankly a ridiculous justification for change.
FYI, gcc has a long history of mediocre optimizations, and it
is well known that optimizations that make some processors faster can
slow down other (even newer) processors (that is, general optimizations,
not gcc-specific).
--
Mike Stone
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