Hi Alan,
+> > More importantly though (because we already know that Intel isn't
+> > exactly error-free on the FPU front), will codes that are P-II/P-III
+> > optimised for floating-point run quickly on the Athlon?
+>
+> Double precision yes. For single precision low accuracy work it'll do
+> just nicely but rewriting it to use 3dnow! will make it scream.
+>
+> Stream_d for a 500MHz Athlon. Code not optimised for Athlon.
+>
+>
+> Function Rate (MB/s) RMS time Min time Max time
+> Copy: 384.2000 0.0424 0.0416 0.0431
+> Scale: 377.8219 0.0467 0.0423 0.0590
+> Add: 452.5828 0.0555 0.0530 0.0641
+> Triad: 431.6395 0.0598 0.0556 0.0726
Sorry, the same results for an 500 MHz PIII would be nice here, too.
Just for a quick comparison. :)
I just signed the order for my next machine. A 650 or 700 MHz Athlon.
(Depends on what I can get...)
And I also dream of making it an SMP machine next year! :-)))))))))
*SIGH*
Best regards,
Herbert
Perl guts are: "an interconnected mass of livers and pancreas and lungs
and little sharp pointy things and the occasional exploding kidney."
-- Nat Torkington
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