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Subject: Re: chess and neural networks

Author: Landon Rabern

Date: 10:13:43 07/02/03

On July 02, 2003 at 02:18:48, Dann Corbit wrote:

>On July 02, 2003 at 02:03:20, Landon Rabern wrote:
>[snip]
>>I made an attempt to use a NN for determining extensions and reductions.  It was
>>evolved using a GA, kinda worked, but I ran out of time. to work on it at the
>>end of school and don't have my computer anymore. The problem is that the NN is
>>SLOW, even using x/(1+|x|) for activation instead of tanh(x).
>
>Precompute a hyperbolic tangent table and store it in an array.  Speeds it up a
>lot.

Well, x/(1+|x|) is as fast or faster than a large table lookup.  The slowdown
was from all the looping necessary for the feedforward.

Landon

Re: chess and neural networks Christophe Theron 00:22:15 07/03/03
- Re: chess and neural networks Landon Rabern 12:44:44 07/03/03
  - Re: chess and neural networks Christophe Theron 08:32:03 07/04/03
    - Re: chess and neural networks Vincent Diepeveen 20:56:34 07/04/03
      - Re: chess and neural networks Christophe Theron 21:25:24 07/04/03
        
        Re: chess and neural networks Vincent Diepeveen 10:55:12 07/05/03
        
        Re: chess and neural networks Christophe Theron 19:58:51 07/05/03
        
        Re: chess and neural networks Vincent Diepeveen 12:51:49 07/06/03
        
        Re: chess and neural networks Uri Blass 13:35:23 07/06/03
        
        Re: chess and neural networks Vincent Diepeveen 15:30:25 07/06/03
        
        Re: chess and neural networks Ingo Lindam 13:54:51 07/06/03
        
        Re: chess and neural networks Uri Blass 21:25:49 07/05/03
        
        Re: chess and neural networks Uri Blass 22:15:41 07/05/03
        
        Re: chess and neural networks Christophe Theron 00:04:07 07/06/03
        
        Re: chess and neural networks Uri Blass 05:00:48 07/06/03
        
        Re: chess and neural networks Vincent Diepeveen 12:42:25 07/06/03
        
        Re: chess and neural networks Uri Blass 13:21:05 07/06/03
        
        Re: chess and neural networks Vincent Diepeveen 14:38:01 07/06/03
        
        Re: chess and neural networks Sune Fischer 14:52:59 07/06/03
        
        Re: chess and neural networks Vincent Diepeveen 18:22:40 07/06/03
        
        Re: chess and neural networks Sune Fischer 02:42:32 07/07/03
        
        Re: chess and neural networks Vincent Diepeveen 03:03:08 07/07/03
        
        Re: chess and neural networks Sune Fischer 04:20:18 07/07/03
        
        Re: chess and neural networks Vincent Diepeveen 06:16:14 07/07/03
        
        Re: chess and neural networks Jens Kahlenberg 07:03:08 07/07/03
        
        Re: chess and neural networks Ralph Stoesser 14:51:53 07/06/03
        
        Re: chess and neural networks Vincent Diepeveen 18:26:31 07/06/03
        
        Re: chess and neural networks Ralph Stoesser 22:49:50 07/06/03
        
        note Vincent Diepeveen 02:50:43 07/07/03
        
        Re: note Ralph Stoesser 04:14:39 07/07/03
        
        Re: note Vincent Diepeveen 06:24:58 07/07/03
        
        Re: note Ralph Stoesser 10:56:15 07/07/03
        
        Re: note Uri Blass 21:05:56 07/08/03
        
        Re: chess and neural networks Vincent Diepeveen 02:44:52 07/07/03
        
        Re: chess and neural networks Ingo Lindam 05:38:35 07/06/03
        
        Re: chess and neural networks Vincent Diepeveen 14:18:17 07/06/03
        
        Re: chess and neural networks Ingo Lindam 15:33:33 07/06/03
        
        Re: chess and neural networks Vincent Diepeveen 03:40:33 07/07/03

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