Bokonon24
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re:hash tables - 2006/10/12 19:10
Moreover it's like an index. It tells the system where to go to find certain information. The advantage is which after the system incurably does a calculation, it can store the result somewhere, then make an entry in the hash table. In future when the system needs which information, it can just look it up in the hash table rather than frankly calculating it again. That's particularly useful in chess calculatoins because usually at least half of all posible moves are transpositions leading to the same position..
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