Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Use of square eval using Bit Boards aka Ed's Rebel Evaluation,but for bb

Author: Uri Blass

Date: 15:19:39 01/08/03

Go up one level in this thread


On January 08, 2003 at 17:22:40, Tony Werten wrote:

>On January 08, 2003 at 16:25:44, Russell Reagan wrote:
>
>>On January 08, 2003 at 14:31:10, Ed Schröder wrote:
>>
>>>Yes Gerd, this is probably most true. I never had the time to put energy in the
>>>bit-boards technique. Do you have any idea about the number of clocks needed to
>>>extract the hanging pieces from a position using bitboards?
>>
>>I wrote a program using the same algorithms that Gerd uses for generating
>>attacks, but mine are written in C instead of using MMX like Gerd, so mine are
>>going to be slower than his. In any case, the engine is somewhat slow. It gets
>>around 70knps or maybe a little more on my PIII 733 MHz machine (compare with
>
>I don't want to bring you down but that is kind of slow.
>
>XiniX, while generating Ed's attackboards and doing full evaluation and
>everything else still gets 400Kn/s in the middlegame on a amd2000
>
>And that's only with generating the attackboards, not actually using them to
>speed up stuff.
>
>Tony

Movei probably makees  300-350 Kn/s but based on your definition
of nodes it is probably more nodes.

Movei generates millions of legal moves and I know from previous discussion that
you consider part of the moves that it generates as nodes when I do not count
them as nodes.

Uri



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.