Author: Uri Blass
Date: 04:26:59 11/08/02
Go up one level in this thread
On November 08, 2002 at 04:14:34, Daniel Clausen wrote: >On November 07, 2002 at 18:03:52, Ron Murawski wrote: > >>On November 07, 2002 at 16:57:04, Martin Bauer wrote: >> >>>On November 07, 2002 at 16:08:49, Tony Werten wrote: >>> >>>>Somewhere from 8Mb you will get a 99,9% hitrate after a few seconds. >>> >>>Memory usage depends on waht I am storing, can you tell me a number of Hashtable >>>entries? >>> >> >>One less than a power of two (aka Mesenne number) entries is best, a prime >>number of entries is supposed to be acceptable. > >Shouldn't it be the opposite? "prime number is best but 2^n-1 is acceptable"? > >Sargon choose n=2 and you have that 2^n-1=3 and it is a prime number. The same for n=3 and n=5. For some reason I do not think that 3,7 or 31 entries is the best so I do not understand what you are talking about. Uri
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