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Subject: Re: Hydra node speed from CSS forum

Author: Sally Weltrop

Date: 14:23:22 08/30/04

Go up one level in this thread


On August 30, 2004 at 13:51:48, Robert Hyatt wrote:

>On August 30, 2004 at 12:24:54, Volker Böhm wrote:
>
>>On August 30, 2004 at 10:02:54, Robert Hyatt wrote:
>>
>>>On August 30, 2004 at 08:30:34, Kurt Utzinger wrote:
>>>
>>>>On August 30, 2004 at 08:12:52, Jouni Uski wrote:
>>>>
>>>>>Eine FPGA-Karte untersucht momentan ca. 3 Millionen Positionen/Sekunde. 16
>>>>>Karten machen daher theoretisch 48 MPos/sec. (Donninger)
>>>>>
>>>>>Jouni
>>>>
>>>>      If Hydra made 48 Mpos/sec this again proves (in comparison
>>>>      with the 2 Mpos/sec on Quad-Opteron server with 4 CPU's of
>>>>      Shredder) that the number of pos/sec can't be taken as a
>>>>      reliable value for the goodness of a chess program. It's
>>>>      of course simply impossible to compare apples and organes.
>>>>      Kurt [http://www.utzingerk.com]
>>>
>>>
>>>Don't forget that Hydra ripped Shredder's head off.  So the NPS _might_ be
>>>significant here...
>>
>>Didn´t I´ve heard you saying that 10 games are not enough to draw a
>>statistically significant conclusion on the playing strength?
>>
>>Greetings Volker
>
>
>With two _close_ opponents, correct.  But if one is seriously stronger, as hydra
>appeared to be, 10 games is plenty.

I have to agree with Bob. If they were close in nps you would have an argument
but there is a substantial amount of power with Hydra as opposed to Shredder's
setup. The results of the match show this and we also saw in this matchup where
shredder sometimes didn't even know what was going on until it was too late.



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