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»  Cfish: July, 17th 2019
Latest aboke build Thu Apr 12 ,,,Author   Marco Costalba  EmptyToday at 3:01 pm by When D Green ?

» Nadeln.bin (Powerofsouthsumatera)
Latest aboke build Thu Apr 12 ,,,Author   Marco Costalba  EmptyYesterday at 10:24 pm by Belladonna

» Stockfish Polyglot: Updated July, 14th, 2019
Latest aboke build Thu Apr 12 ,,,Author   Marco Costalba  EmptySun Jul 14, 2019 3:28 pm by "B"

» Latest abrok Development Versions July 13 th (SF The gift that keeps on giving )
Latest aboke build Thu Apr 12 ,,,Author   Marco Costalba  EmptySat Jul 13, 2019 12:16 pm by LondonFrau

» Eman 3.81
Latest aboke build Thu Apr 12 ,,,Author   Marco Costalba  EmptyFri Jul 12, 2019 1:30 pm by Doppelganger

» Latest abrok Development Versions July 12 th
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» ğğğ ctg
Latest aboke build Thu Apr 12 ,,,Author   Marco Costalba  EmptyWed Jul 10, 2019 3:00 pm by Belladonna

»  Stockfish Polyglot: July, 9th , 2019
Latest aboke build Thu Apr 12 ,,,Author   Marco Costalba  EmptyTue Jul 09, 2019 9:42 am by When D Green ?

Latest topics
»  Cfish: July, 17th 2019
Latest aboke build Thu Apr 12 ,,,Author   Marco Costalba  EmptyToday at 3:01 pm by When D Green ?

» Nadeln.bin (Powerofsouthsumatera)
Latest aboke build Thu Apr 12 ,,,Author   Marco Costalba  EmptyYesterday at 10:24 pm by Belladonna

» Stockfish Polyglot: Updated July, 14th, 2019
Latest aboke build Thu Apr 12 ,,,Author   Marco Costalba  EmptySun Jul 14, 2019 3:28 pm by "B"

» Latest abrok Development Versions July 13 th (SF The gift that keeps on giving )
Latest aboke build Thu Apr 12 ,,,Author   Marco Costalba  EmptySat Jul 13, 2019 12:16 pm by LondonFrau

» Eman 3.81
Latest aboke build Thu Apr 12 ,,,Author   Marco Costalba  EmptyFri Jul 12, 2019 1:30 pm by Doppelganger

» Latest abrok Development Versions July 12 th
Latest aboke build Thu Apr 12 ,,,Author   Marco Costalba  EmptyFri Jul 12, 2019 1:21 pm by "B"

» Latest abrok Development Versions July 11 th
Latest aboke build Thu Apr 12 ,,,Author   Marco Costalba  EmptyThu Jul 11, 2019 4:07 pm by "B"

» ğğğ ctg
Latest aboke build Thu Apr 12 ,,,Author   Marco Costalba  EmptyWed Jul 10, 2019 3:00 pm by Belladonna

»  Stockfish Polyglot: July, 9th , 2019
Latest aboke build Thu Apr 12 ,,,Author   Marco Costalba  EmptyTue Jul 09, 2019 9:42 am by When D Green ?

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

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Doppelganger
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Latest aboke build Thu Apr 12 ,,,Author   Marco Costalba  Empty
PostSubject: Latest aboke build Thu Apr 12 ,,,Author Marco Costalba    Latest aboke build Thu Apr 12 ,,,Author   Marco Costalba  EmptyThu 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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