Author: Dann Corbit
Date: 21:43:55 07/25/02
Go up one level in this thread
On July 25, 2002 at 16:09:32, John Merlino wrote:
>On July 24, 2002 at 14:24:38, Dann Corbit wrote:
>
>>Les Fernandez did an experiment that showed no significant gain in ELO from
>>using EGTB in crafty.
>>
>>However, the chess is more beautiful if you use EGTB files.
>
>Johan once told me that, in all of the tournament games he has played with The
>King, he believes he has only lost 1/2 point due to not having EGTB files.
>
>So, while I agree with Bob that it is not a "zero gain", I suspect it may be
>closer to zero than some might think.
I think if the EGTB files were held in memory, there would be an enormous gain.
The problem is that disk is thousands of times slower than ram, and benefits are
eaten by disk accesses (my pet theory).
With 64 bit computing, perhaps we will see systems with 20 or 30 gigs of ram
before long (maybe a couple years). A gigabyte of ram is already less than 500
dollars {but 32 bit PC's only address 4 gigs tops}. Then, with more than 20
gigs of ram, you could hold every 5 man EGTB file [decompressed!] in ram. I
suspect we will see big benefits in that case.
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