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Subject: Re: Mixing 0x88 and bitboards

Author: Gian-Carlo Pascutto

Date: 13:35:26 06/25/02

On June 25, 2002 at 14:26:37, Russell Reagan wrote:

>On June 25, 2002 at 05:07:26, Gian-Carlo Pascutto wrote:
>
>>Hrmpf. In my experience, there are many things
>>that are both faster and easier to evaluate via
>>a classic approach.
>
>Could you give some examples of things that you have found that can be
>calculated faster using the classic approach?

'Is there a white pawn on e6?'

if (board[E6] == wpawn)

1 load
1 compare

if (WhitePawns & Mask[e6])

2 64-bit loads
1 64-bit and
1 64-bit compare

--
GCP

Re: Mixing 0x88 and bitboards Dieter Buerssner 14:09:42 06/25/02
- Re: Mixing 0x88 and bitboards Gian-Carlo Pascutto 14:21:09 06/25/02
  - Re: Mixing 0x88 and bitboards Dieter Buerssner 14:29:59 06/25/02
- Re: Mixing 0x88 and bitboards Robert Hyatt 14:19:20 06/25/02
  - Re: Mixing 0x88 and bitboards Dieter Buerssner 17:11:57 06/25/02
  - Re: Mixing 0x88 and bitboards Gian-Carlo Pascutto 14:22:35 06/25/02
Re: Mixing 0x88 and bitboards Robert Hyatt 14:04:43 06/25/02
- Re: Mixing 0x88 and bitboards Russell Reagan 14:28:10 06/25/02
  - Re: Mixing 0x88 and bitboards Robert Hyatt 16:46:20 06/25/02
    - Re: Mixing 0x88 and bitboards Dieter Buerssner 17:00:47 06/25/02
      - Re: Mixing 0x88 and bitboards Robert Hyatt 21:03:06 06/26/02
        
        Re: Mixing 0x88 and bitboards Eugene Nalimov 21:43:59 06/26/02
        
        Re: Mixing 0x88 and bitboards Robert Hyatt 08:38:44 06/27/02
      - Re: Mixing 0x88 and bitboards Bo Persson 13:54:09 06/26/02
        
        Re: Mixing 0x88 and bitboards Dieter Buerssner 15:28:42 06/26/02
  - Re: Mixing 0x88 and bitboards Gian-Carlo Pascutto 14:33:07 06/25/02
    - Re: Mixing 0x88 and bitboards Daniel Clausen 01:45:55 06/26/02
      - Re: Mixing 0x88 and bitboards Gian-Carlo Pascutto 02:09:12 06/26/02
        
        Re: Mixing 0x88 and bitboards Daniel Clausen 02:12:20 06/26/02
    - Re: Mixing 0x88 and bitboards Robert Hyatt 16:56:26 06/25/02
      - Re: Mixing 0x88 and bitboards Daniel Clausen 01:50:00 06/26/02
        
        Re: Mixing 0x88 and bitboards Robert Hyatt 21:07:56 06/26/02
        
        Re: Mixing 0x88 and bitboards Tim Foden 07:21:40 06/26/02
        
        That must be it, thanks! [n/t] Daniel Clausen 12:35:57 06/26/02
        
        Re: Mixing 0x88 and bitboards Russell Reagan 06:14:19 06/26/02
        
        Re: Mixing 0x88 and bitboards Daniel Clausen 06:20:03 06/26/02
        
        Re: Mixing 0x88 and bitboards Robert Hyatt 14:24:00 06/27/02
        
        Re: Mixing 0x88 and bitboards Robert Hyatt 14:25:04 06/27/02
- Re: Mixing 0x88 and bitboards Gian-Carlo Pascutto 14:27:43 06/25/02
  - Re: Mixing 0x88 and bitboards Robert Hyatt 17:01:03 06/25/02
    - Re: Mixing 0x88 and bitboards Gian-Carlo Pascutto 22:17:17 06/25/02
- Re: Mixing 0x88 and bitboards Tony Werten 14:17:04 06/25/02
  - Re: Mixing 0x88 and bitboards Robert Hyatt 17:07:42 06/25/02
    - Re: Mixing 0x88 and bitboards Tony Werten 23:57:02 06/25/02
      - Re: Mixing 0x88 and bitboards Robert Hyatt 21:10:49 06/26/02
    - Re: Mixing 0x88 and bitboards Gian-Carlo Pascutto 22:57:01 06/25/02
      - Re: Mixing 0x88 and bitboards Robert Hyatt 21:11:41 06/26/02
        
        Re: Mixing 0x88 and bitboards Dieter Buerssner 10:06:43 06/27/02
        
        Re: Mixing 0x88 and bitboards Gian-Carlo Pascutto 00:17:32 06/27/02
        
        Re: Mixing 0x88 and bitboards Robert Hyatt 08:40:00 06/27/02
        
        Re: Mixing 0x88 and bitboards Gian-Carlo Pascutto 09:38:13 06/27/02
        
        Re: Mixing 0x88 and bitboards Robert Hyatt 14:29:51 06/27/02
        
        Re: Mixing 0x88 and bitboards Gian-Carlo Pascutto 00:29:51 06/28/02
        
        Re: Mixing 0x88 and bitboards Robert Hyatt 20:40:15 06/28/02
        
        Re: Mixing 0x88 and bitboards Gian-Carlo Pascutto 01:34:32 06/29/02
        
        Re: Mixing 0x88 and bitboards Sune Fischer 03:34:01 06/28/02
    - Re: Mixing 0x88 and bitboards Gian-Carlo Pascutto 22:43:45 06/25/02
  - Re: Mixing 0x88 and bitboards Sune Fischer 15:17:05 06/25/02
    - Re: Mixing 0x88 and bitboards Tony Werten 16:13:39 06/25/02
      - Re: Mixing 0x88 and bitboards Robert Hyatt 17:10:16 06/25/02

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