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 Latest aboke build Thu Apr 12 ,,,Author Marco Costalba

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PostSubject: Latest aboke build Thu Apr 12 ,,,Author Marco Costalba    Thu Apr 12, 2018 5:30 pm

!! latest version !!


Windows x64 for Haswell CPUs
Windows x64 for modern computers
Windows x64
Windows 32
Linux x64 for Haswell CPUs
Linux x64 for modern computers
Linux x64
Author: Marco Costalba
Date: Thu Apr 12 09:37:18 2018 +0200
Timestamp: 1523518638

Further documentation and coding style on TB code

This patch adds some documentation and code cleanup to tablebase code.

It took me some time to understand the relation among the differrent
structs, although I have rewrote them fully in the past. So I wrote
some detailed documentation to avoid the same efforts for future readers.

Also noteworthy is the use a standard hash table implementation with a
more efficient 1D array instead of a 2D array. This reduces the average
lookup steps of 90% (from 343 to 38 in a bench 128 1 16 run) and reduces
also the table from 5K to 4K
entries.

I have tested on 5-men and no functional and no slowdown reported. It
should be verified on 6-men that the new hash does not overflow. It is
enough to run ./stockfish with 6-men available: if it does not assert at
startup it means everything is ok with 6-men too.

EDIT: verified for 6-men tablebase by Jörg Oster. Thanks!

No functional change.
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Latest aboke build Thu Apr 12 ,,,Author Marco Costalba
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