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Subject: Re: What leading programs use bitboards that can take advatage 64 bit bi

Author: Robert Hyatt

Date: 16:32:53 10/17/02

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On October 17, 2002 at 18:12:31, Gian-Carlo Pascutto wrote:

>On October 16, 2002 at 21:19:38, Robert Hyatt wrote:
>
>>There are _not_ many other ways to do it....
>>
>>You aren't going to use 64 bit evaluation scores...
>>
>>you aren't going to use 64 bit piece values...
>
>I'm sure Vincent would love the added evaluation accuracy :)
>
>>You have to do _something_ to increase data density and bitmaps is about the
>>only thing that comes to mind...
>
>Yes, but then we get into the 'what makes you a bitboard program'
>debate again. Does using a bitmap in the pawn evaluation make you
>a bitboard program?
>
>If yes, I suspect most strong programs will quality. Hell, maybe
>even Diep does :))
>
>--
>GCP

It is a matter of degrees, of course...

But bitmaps fit 64 bit machines better and make better use of the internal data
pathways.  More is better.  And by that reasoning, _any_ is better than
_none_...




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