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Subject: Re: Bitboard VS array board ,speed difference in movegen()

Author: TEERAPONG TOVIRAT

Date: 02:19:54 02/25/01


>and 16 make/unmake alternately. (sqrt(1*16) = 4). So maybe
>17/2 = 8.5 is better than 4? Why not measure these numbers instead

The problem  is we should use geometric mean ( y = sqrt (x))
or arithmetic mean  (y= x/2) .
I'm not sure. Perhaps, some math experts here can help.
However, I prefer geometric mean...
Thanks for you opinion.
Teerapong


>for your particular program since there are complications with
>hashtables and killers?
>
>But I agree on the fundamental idea.
>
>Ralf

Re: Bitboard VS array board ,speed difference in movegen() Ralf Elvsén 02:44:43 02/25/01
- Re: Bitboard VS array board ,speed difference in movegen() TEERAPONG TOVIRAT 09:05:12 02/26/01
  - Re: Bitboard VS array board ,speed difference in movegen() Ralf Elvsén 09:49:21 02/26/01
    - Re: Bitboard VS array board ,speed difference in movegen() TEERAPONG TOVIRAT 08:48:24 02/27/01
      - Re: Bitboard VS array board ,speed difference in movegen() Ralf Elvsén 16:08:10 02/27/01
        
        Re: Bitboard VS array board ,speed difference in movegen() TEERAPONG TOVIRAT 09:17:48 02/28/01
        
        Re: Bitboard VS array board ,speed difference in movegen() Vincent Diepeveen 09:54:25 03/01/01
        
        Re: Bitboard VS array board ,speed difference in movegen() TEERAPONG TOVIRAT 22:02:46 03/02/01
        
        Re: Bitboard VS array board ,speed difference in movegen() Vincent Diepeveen 06:01:20 03/03/01
        
        Re: Bitboard VS array board ,speed difference in movegen() TEERAPONG TOVIRAT 08:44:27 03/04/01
        
        Re: Bitboard VS array board ,speed difference in movegen() Severi Salminen 03:50:17 03/01/01
    - Hmmm... Ralf Elvsén 11:06:09 02/26/01
      - Re: Hmmm... Severi Salminen 13:29:06 02/26/01
        
        Re: Hmmm... Ralf Elvsén 16:32:50 02/26/01

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