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Subject: Re: TB cache size recommendations, please!

Author: John Coffey

Date: 12:08:39 04/11/00

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On April 10, 2000 at 20:23:40, Robert Hyatt wrote:

>On April 10, 2000 at 14:45:13, John Coffey wrote:
>
>>Let me get this sraight....
>>
>>1.  hash is the transposition table.
>>2.  hashp is pawn structure caching?
>>3.  cache is used for tablebase caching?
>>
>>How does one cache tablebase stuff?  It is all endgames so I am not sure I see
>>the benefit.   I guess that the exact same endgame could arrise in multiple
>>continuations.
>>
>>John Coffey
>
>
>That's the answer.  Same ending, slightly different piece locations... with both
>TB values in the same "block".  Saves a lot of I/O.  And then the results are
>also stashed in the hash table to further save time...



So when hitting the disk for tablebase information, what is the ideal amount of
data to read at one time.  Does Windows read things in 4k blocks or larger?   Do
you cache things yourself or do you let the OS do it for you?

John Coffey



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