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Subject: Re: Pawn Hashkey Size

Author: David Rasmussen

Date: 11:49:37 12/03/01

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On December 03, 2001 at 07:55:13, Gian-Carlo Pascutto wrote:

>On December 03, 2001 at 07:11:41, David Rasmussen wrote:
>
>>I get the first collision after about 5 seconds of search, and the the rate
>>increases as the search progresses. I believe I have good random numbers, I have
>>checked hamming distance etc. I don't use separate values for pawn hashing (as
>>you did at some point, I think), I just use the first n bits of the normal
>>hashkeys for pawns, where n=64 now that I've found n=32 not to work.
>
>What collision rate do you get in 3 minute searches on fast hardware?
>

About 0.000005, that is I got 322 collisions of 62806169 succesful probes.
That's not a lot, but who says it isn't important?

>What do you mean by 'n=32 not to work'?
>

That I got collisions with n=32 :)

/David



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