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Subject: Re: Another poll: strength of Zappa and Hydra

Author: Djordje Vidanovic

Date: 07:29:20 12/27/05

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On December 27, 2005 at 10:22:28, Uri Blass wrote:

>On December 27, 2005 at 10:12:57, Djordje Vidanovic wrote:
>
>>On December 27, 2005 at 09:05:43, Greg Simpson wrote:
>>
>>>On December 27, 2005 at 08:44:18, Uri Blass wrote:
>>>
>>>>On December 27, 2005 at 08:36:24, JNoomen wrote:
>>>>
>>>>>Hi all,
>>>>>
>>>>>It's quite possible that the computerchess lists show something like this at the
>>>>>end of the year:
>>>>>
>>>>>1. Rybka 32-bit
>>>>>2. Fruit 2.2.1
>>>>>3. Fritz 9
>>>>>4. Shredder 9
>>>>>5. Hiarcs 10
>>>>>
>>>>>Now suppose we enter Hydra and Zappa in these lists. Condition: they both play
>>>>>on the SAME hardware as the above 5. So no program has a hardware advantage. All
>>>>>programs use their own book.
>>>>>
>>>>>Now comes the poll question: where do you think that Hydra and Zappa will be in
>>>>>the list given above?
>>>>
>>>>hydra cannot run on the same hardware and this was explained in the past also by
>>>>chrilly.
>>>>
>>>>He said that there are things that are cheap for hydra but very expensive if he
>>>>tries to do it on the same hardware that most use and that there are things that
>>>>are expensive for software on Normal PC so he even did not try to do it in Nimzo
>>>>but cheap for hydra.
>>>>
>>>>Uri
>>>
>>>Of course it should be possible to emulate Hydra's FPGAs in software, and it
>>>wouldn't surprise me if the Hydra team already has that for testing.  I would
>>>expect Hydra to be by far the worst program listed in that situation.
>>
>>
>>I would expect Chrilly Donninger to have improved his "basic" program much
>>further and it is surely way above the old Nimzo.  Thus I would expect it to be
>>on a par, if not even better, with the leading pack.
>>
>>Naturally, we are only speculating.
>>
>>
>>Djordje
>
>The question is not if Chrilly could improve nimzo but what is the strength of
>hydra if it is emulated in software.
>
>It is possible that in that case hydra could search only 1000 nodes per second.
>
>Uri



That's exactly what I had in mind.  I believe that a "simple" PC version (FPGA
emulation) of Hydra is probably equal in strength to the top pack (first 3 or 4
programs).  Just my "gut feeling", but a strong gut feeling.

Djordje



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