[RC5] New Intel compilers...

Julian Ruhe ruheejih at calvados.zrz.tu-berlin.de
Mon Dec 9 19:59:31 EST 2002


>The athlon is a "p3 on steroids" ...
>so many optimizations for p3 also help athlon.
>naturally this bugs intel, but it is so.
I would not say that! The differences dominate. Especially in RC5, which 
requires a very high
intructionen throughput , special opimizations must be appied, that do 
not exist for the PIII.
E.g, the PIII likes an 3-1-1 uop intruction pattern, the Athlon 
something completely different.



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