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Subject: Re: Dual Core PPC970 in 2005 (OT)

Author: Tord Romstad

Date: 01:44:51 07/28/04

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On July 27, 2004 at 13:52:49, Anthony Cozzie wrote:

>Perhaps that is a bit extreme :)  There really aren't that many parallel
>programs out there:
>
>The Baron (dual only), Crafty, Diep, Fritz, Junior, Sjeng, Shredder, SOS, Zappa
>(very little testing)

Amy, Hydra, Nejmet.  I am sure there are others, but I can't remember any at
the moment.

>And I think that is it, although I may have missed one or two.  So even the
>most generous estimate gives only 9-10, while a more conservative estimate
>would give only 7.  From my experience, going parallel is pretty hard even
>when you _do_ have a dual machine (although very interesting, and in my
>opinion quite rewarding: I think think parallelizing a chess program is one
>of the most difficult programming tasks out there).

I don't doubt that it is very difficult (although "one of the most difficult
programming tasks out there" is a pretty extreme claim), but I think the
small number of parallel programs has to do with lack of interest as well as
difficulty.  How many programmers have tried to parallelize their engines?
I doubt that the list would be much longer than the list of successful
implementations above.

Tord



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