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

Author: Slater Wold

Date: 09:56:56 05/24/04

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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.



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