[RC5] Athlon core contribution

Jeroen van Rijn jeroen at bytalized.com
Fri Dec 6 14:28:14 EST 2002


http://n0cgi.distributed.net/speed/query.cgi?cputype=all&arch=0&contest=rc572

if you look at the speeds there AMD beats P4 by far :)

5,298,914/s on a 2100+ (1733Mhz, mine prolly), v.s. Intel P4 1800 
2,153,491/s

> Hi,
>
> I am thinking about contributing an optimized Athlon core or 
> supporting somebody who is already writing a new core. As my time is 
> very limited, I will probably not be able to spend much time in 
> understanding RC5 and the ANSI sources, so that I would need some help 
> (I am a student applied of mathematics, so mathematical part will be 
> hopefully not the problem). If somebody is interested, please contact me.
> My goal is to let Athlon look better against a G4 than it was the case 
> in RC5-64.
> I have lots of experiences in assembly optimizing mathematical 
> floating point code and I know the Athlon very well, but integer 
> optimizations should be no problem, too. I think I know some tricks 
> that not many people know and I have some contacts to AMD that will 
> support me, if I have special question.
> Interested?
>
> Regards
>
> J.Ruhe
>
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