Author: Uri Blass
Date: 06:21:28 06/27/03
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On June 27, 2003 at 08:19:45, ludicrous wrote: >VC3 is supposed to search a lot more nodes than its predecessor VC2. It tells me nothing The question is quality and not quantity. Movei0.0799 searches less nodes than Movei0.07a and is better. Latest private movei search more nodes than Movei0.0799 and is again better. Conclusion:You cannot know the quality based on the number of nodes. There are 2 directions to improve programs: 1)make them faster with the same algorithm by using different arrays. 2)Add new knowledge in search or evaluation reason 1 push them to be faster. reason 2 usually push them to be slower. I believe that it is possible to do a lot of things faster and programmers simply need to think about the right ideas to define arrays. part of the problem is not things that programmers did not think about but things that are not simple to do. For example I asked Ed if he thought to use incremental evaluation instead of evaluating every node from scratch(Rebel evaluates every node) and he told me that he thought about it but it was not easy to implement it and he did not do it. Uri
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