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Subject: Re: ASCI White vs. Deep Blue

Author: Robert Hyatt

Date: 11:12:18 09/25/01

Go up one level in this thread


On September 24, 2001 at 18:48:30, Vincent Diepeveen wrote:

>On September 24, 2001 at 11:25:13, Robert Hyatt wrote:
>
>>On September 24, 2001 at 09:55:10, Gian-Carlo Pascutto wrote:
>>
>>>On September 24, 2001 at 09:02:45, Robert Hyatt wrote:
>>>
>>>>Exactly the point.  That was _the_ reason Cray chose to support us for
>>>>so long.  Easy way to get their name in most every computer publication on
>>>>the planet, once a year or so...
>>>>
>>>>And yes, they charged a fortune for a machine that sold for around $60
>>>>million 10-20 years ago.
>>>
>>>The difference is that you _won_ those tournaments.
>>
>>Look again.  We started on the Cray in 1980.  We won the 1983 WCCC.
>>We won the 1984 ACM event.  HiTech beat us in the 1985 ACM event.  We
>>Won the 1986 WCCC event.  We didn't win any events after that due to
>>Deep Thought.  Yet we played on a Cray through 1995 and probably could
>>still play today if the ACM events had not dropped away and then Crafty
>>coming along...
>>
>>
>>
>>>
>>>Last time I looked, the StarSocrates/Cilkchess guy's weren't
>>>doing all that great vs. the top commercials, and I'd think
>>>more or less the same would apply to crafty even if it were
>>>running on a 20Mnps Alpha.
>>
>>I'd happily take my chances running on that machine.  I don't do that badly
>>running on normal hardware.
>>
>>
>>
>>>
>>>Speed is nice, but isn't everything. It's certainly not
>>>enough to ensure winning nowadays.
>>
>>Depends.  If you have a superior _real NPS_ speed, and your program is not
>>horrible in its evaluation, it will have its chances.
>
>the better an evaluation is the more you profit from a bigger depth
>relatively compared to others of course, but
>book is nowadays also worth 500 points or so from a programs rating
>*easily*.

Can you cite a rigorous proof of your "better evaluation ..." statement?
I don't see where evaluation plays _any_ role in searching and in parallel
performance of a serial search.



>
>If you get toasted out of book then you're history usually.

So?  Don't get toasted.  I didn't at the last WCCC.  It is avoidable.


>
>>
>>
>>>
>>>--
>>>GCP



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