Author: Omid David Tabibi
Date: 13:39:33 09/12/03
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On September 12, 2003 at 16:34:48, Gian-Carlo Pascutto wrote: >On September 12, 2003 at 16:33:13, Omid David Tabibi wrote: > >>I still don't understand why modulus is needed, and >>I have a pawn hash of 2^17 entries. What is so special >>about pawn hash that you need the modulus operation >>there while you don't need it in the normal hash table? > >You don't? > >I assume you have 32 or 64 bit hash keys. 64 bit. > >How do you map 2^64 -> 2^17 ? Please, don't tell me that you guys are mapping the hash key as following: address = key % table_size; ??? Do you know how many cycles does the modolus operation take??? > >-- >GCP
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