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Subject: Re: Opinions? A Crafty experiment...

Author: James Swafford

Date: 10:35:40 05/24/04

Go up one level in this thread


On May 24, 2004 at 13:29:21, Matthew Hull wrote:

>On May 24, 2004 at 13:20:54, Slater Wold wrote:
>
>>On May 24, 2004 at 13:19:36, Djordje Vidanovic wrote:
>>
>>>On May 24, 2004 at 12:56:56, Slater Wold wrote:
>>>
>>>>On May 24, 2004 at 12:29:04, Russell Reagan wrote:
>>>>
>>>>>On May 24, 2004 at 12:06:46, Slater Wold wrote:
>>>>>
>>>>>>In a thread below, there is a post about Blargh, ICCs top computer.  It
>has won >>>>>60% of its games at standard time controls, and only lost 16% in
>almost 3,000 >>>>>games!
>>>>>>
>>>>>>I am interested to know the OoO (opinion of outcome) of EVERYONE at the
>>>>>>following experiment, I will be in contact with the operator of Blargh,
>and will >>>>>try to set this up.
>>>>>>
>>>>>>Crafty 19.13 on an AMD FX53 (64-bit) vs Shredder 8 on a Dual Opteron
>2.2Ghz >>>>>(32-bit)
>>>>>>
>>>>>>10 game match.  120/0.
>>>>>>
>>>>>>Opinions?
>>>>>
>>>>>Crafty on equal hardware probably doesn't stand a realistic chance against
>>>>>Shredder. Only Fritz scores at least 45% against Shredder on the latest
>SSDF. >>>>Junior and Hiarcs score at least 40%. Crafty would be behind those
>engines on >>>>equal hardware by a non-trivial margin (take the Junior-Crafty
>10x experiment >>>>for example).
>>>>
>>>>OoO please...
>>>>
>>>>>What is interesting about a Shredder-Crafty match where Crafty is at a
>hardware >>>>_disadvantage_?
>>>>>
>>>>>BTW, that really explains a lot about why he is #1 on ICC. You have a
>freakin' >>>>FX53 and you're at a hardware disadvantage! Wow...
>>>>
>>>>It's a disadvantage, but a small one.  How small?
>>>>
>>>>Crafty on a 2.2Ghz Opteron in 32-bit gets about 1.5M NPS.  With a 1.89
>speedup, >>>we get 2.8M nps.  My FX53 (64-bit) will do 2.6M.  It's at a 8% HW
>disadvantage. >>>
>>>>8% means nothing in a 120/0 game.
>>>
>>>
>>>I don't really think that Shredder vs Crafty would cause too many divergent
>>>opinions re OoO... I'd rather suggest you invited another engine for a match:
>>>Diep.  That would probably be closely followed by about one half of this
>forum >>and the final result would reverberate loudly in the months to come
>:-). >
>>Vincent isn't going to let anyone run a current version of Diep against
>Crafty. >We all know that...
>
>
>DIEP played two standard games against crafty yesterday on ICC with Vincent
>himself presiding (and pontificating).  DIEP lost them both.


I was wondering how long it would take for that information to make it
onto CCC.  Took longer than I thought. :)

--
James



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