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Subject: Re: legal move generator that is 20 times faster than Crafty

Author: Uri Blass

Date: 07:13:56 07/01/01

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On July 01, 2001 at 10:08:38, Robert Hyatt wrote:

>On July 01, 2001 at 06:44:23, Uri Blass wrote:
>
>>On July 01, 2001 at 05:09:45, stefan wrote:
>>
>>>
>>>see also
>>>
>>>http://members.tripod.com/~RyanMack/hypertech.htm
>>
>>If it is truth than it seems that we are going to see a progress of more than
>>200 elo in comp-comp games only because of better software for the PIII
>>hardware.
>>
>>I have not enough knowledge to understand if he is right
>>
>>Uri
>
>
>20M nodes per second on a single CPU seems _way_ hard to believe.  The problem
>is that in most cases, the move generator is far from being the dominant part of
>the calculation.  In crafty, it is in the 10-15% range.  If you take that to
>zero, you only run 10-15% faster.  Which leads me to believe that this is a very
>optimistic estimate on overall speed.

I understood that he was talking also about this significant speed improvement
with good evaluation function.

We will have to wait to see if he is right.

Uri



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