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

Author: Drexel,Michael

Date: 11:59:35 05/24/04

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On May 24, 2004 at 14:37:06, Slater Wold wrote:

>On May 24, 2004 at 14:32:38, Vincent Diepeveen wrote:
>
>>On May 24, 2004 at 14:09:56, Robert Hyatt 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?
>>>
>>>It is at least 2x disadvantage.
>>>
>>>You did notice that box is a _dual_???
>>>
>>>Shredder has an SMP version which I would assume he is using...
>>
>>Comeon you need to be NUMA to run well on a dual opteron in 32 bits. Shredder is
>>SMP and has not released a 64 bits executable yet for xp64.
>
>A point not everyone is getting, obviously...
>
>>Equal hardware SSDF shredder8-crafty : 43.5 - 3.5
>
>I was going to look that up later, thanks!
>
>So we can expect in a 10 game match, nothing better than 9 - 1 from Crafty,
>based on SSDF results.  Interesting...

Nonsense!

That was not equal hardware.
The 43.5-3.5 was Shredder 7.04 1200 Mhz-Crafty 18.12 450 Mhz

Furthermore Crafty 19.13 is IMO *at least* 50 points stronger than Crafty 18.12.

Michael




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