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Subject: Re: TB cache size recommendations, please!

Author: J. Wesley Cleveland

Date: 11:10:30 04/10/00

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On April 10, 2000 at 09:00:39, Robert Hyatt wrote:

>On April 10, 2000 at 06:10:22, Jouni Uski wrote:
>
>>Has anybody found good values for TB cache with 3+4 piece tablebases and 5 piece
>>set (compressed Nalimov of course)? Is it different? Or is 4 MB always enough?
>>Is same value good under Fritz and Winboard? thanks
>>
>>Jouni
>
>
>Here is what I do on a machine with decent memory, assuming I am playing in
>a tournament that is playing long time controls:
>
>memory=512mb
>
>hash=384M
>hashp=32M
>cache=32M
>
>which leaves 64M for the O/S and filecache buffers.
>
>works well for me.  In general, egtb cache is only important in egtb positions,
>but then it is very important for performance.

I wonder if it would be worthwhile to make the cache dynamically reconfigurable,
say when the egtb cache first overflows, halve the regular hash and add it to
the egtb hash.



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