[RC5] Athlon core contribution

James Healy jimmy at deefa.com
Fri Dec 6 22:59:55 EST 2002


It's offers like these that I'm sure make readers of this list and
d.net staff cream their pants ;-)

James

> -----Original Message-----
> From: owner-rc5 at lists.distributed.net
> [mailto:owner-rc5 at lists.distributed.net]On Behalf Of Jeroen van Rijn
> Sent: Friday, 6 December 2002 11:22 PM
> To: rc5 at lists.distributed.net
> Subject: Re: [RC5] Athlon core contribution
>
>
> Hi there,
>
> I'm new here, been and am still crunching Find-A-Drug's
> THINK, but I
> like the idea of cryptography challenges as well :)
>
> Like the idea ... also have a background in assembler, but
> not specific
> on Athlon opcodes. I've got a thruput of about 4.5M keys/s
> when working
> on my XP 2100+, going up to 5.2M when the machine is
> totally idle, or
> thereabouts. Not sure if this is an acceptable rate for
> this processor,
> but I have a lot of gear installed on my machine, lol.
>
> Anyways, I am currently planning to write a DC project for the RSA
> factoring challenges.
> Will write it in PowerBasic/Win 7 because of it's
> superiority when it
> comes to executable size and mathmetics compared to say any given C
> variant. And it can use inline assembly as well very easily
> to optimize
> it even further.
>
> I'm surely interested in working on the RC5-72 project for Athlon
> optimization for one... anyone interested to make the factiorals a
> distributed.net project as well?
>
> Regards,
>     Jeroen.
>
> Julian Ruhe wrote:
>
> > 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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>
>
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