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Subject: Re: Hash probe success rate

Author: Andrew Wagner

Date: 17:12:06 06/30/04

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On June 30, 2004 at 15:13:17, Robert Hyatt wrote:

>On June 30, 2004 at 14:19:02, Andrew Wagner wrote:
>
>>I have a single transposition table, replace-always. I count a success when I
>>get back a score which allows me to return immediately, without making a move.
>>About what percent should my success rate be?
>
>
>maybe 10% in middlegame or less.
>
>
>>
>>Currently, my success rate starts around 5%, then drops turn-by-turn, until it's
>>0, then jumps back up and starts falling again. Any suggestions what might be
>>causing this? I've tested all my keys with generating them from scratch, and
>>have no problems there. My code is modelled after the TT code on bruce morelan's
>>site. Any suggestions appreciated....
>>
>>Andrew
>
>
>
>
>
>
>Always replace will never be as effective as an "intelligent decision" on what
>to replace...
>
>That's the first place to start...

Are you saying you think it's bug-free as written? That this is normal behavior?
I'd like to get something simple working before doing something more
complicated...



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