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Subject: Re: Maybe.......

Author: Jorge Pichard

Date: 13:27:37 08/24/04

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On August 24, 2004 at 15:16:03, Thomas Mayer wrote:

>Hi David,
>
>>Would anyone wish to guess the cost of the Hydra hardware?
>
>well, I think it is nearly as expensive as some think. You know, it's a cluster
>of 8 Dual machines. Okay, they nead 16 FCPGA cards which cost when I remember
>correctly around 1500$... But for sure it is way cheaper then what IBM has done
>with Deep Blue.

I believe that Hydra was only only two FCPGA cards. According to this picture.

On the right you can see the two slots where the Alpha Data FPGAs are installed.
http://www.chessbase.com/newsdetail.asp?newsid=1866

>It is even possible that the Shredder machine is more expensive. At least an
>8-way Opteron would cost more, I think...
>
>Greets, Thomas

You are definitively correct and I don't think that Hydra is even twice faster
than Shredder is on the Quad Opteron that it was running. If you look at the
search depth that both were reaching, but shredder has always been slower than
Deep Fritz, therefore, search depth is not a mean to measure shredder either.

Jorge.



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