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Subject: Re: Hashkey collisions (typical numbers)

Author: Tony Werten

Date: 07:54:40 04/07/04

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On April 07, 2004 at 10:48:23, Renze Steenhuisen wrote:

>
>>>>>>I'm sure it was some implementation bug with Renze.
>
>Anyone,
>
>I only store result from the main search, so no NULL-move and no Qsearch
>results.
>I get a TT-hit ratio of 11.73%, of which a part will generate cut-offs.
>    (I call something a tt-hit when an entry is found with the same hashkey,
>     draft does not need to be sufficient)

Hmm, I'm sorry but that's way too low. You probably have a problem with your
hashkey.

In XiniX I get a hitrate of at least 60% in normal search, >20% in qsearch.

Tony

>
>the tt_retrieve code retrieves a move, which I call the TT_MOVE_SUGGESTION.
>
>could someone provide me with a % of TT_MOVE_SUGGESTIONs in a search?
>
>Cheers...



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