Marco Costalba
4df8651c82
Fix hashfull info
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Do not count has a replacement when a TT entry is
written in an empty slot.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
2008-11-16 12:37:45 +01:00
Marco Costalba
d89a03cc35
Small tidyup of TranspositionTable::store()
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Hopefully without bugs this time!
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
2008-11-10 19:19:40 +01:00
Marco Costalba
34b1d0538b
Fix a logic bug in TranspositionTable::store()
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Make the logic work as advertised in the function
description.
Still a fallback from TT cleanup.
This should be less serious then the one in retrieve(),
but it's still a bug.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
2008-11-10 19:19:40 +01:00
Marco Costalba
787d358554
Fix compile under Ubuntu 64bit
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Some missing includes.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
2008-11-04 20:56:30 +01:00
Marco Costalba
ff0d9dad2b
Fix a serious bug in TranspositionTable::retrieve()
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Reported by Tord Romstad.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
2008-11-04 20:56:30 +01:00
Marco Costalba
5dc2312121
Update copyright info
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Signed-off-by: Marco Costalba <mcostalba@gmail.com>
2008-10-20 21:47:20 +02:00
Marco Costalba
a230dc1404
Split transposition table lookup in a separate function
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This slims down the code and is a prerequisite for
future patches.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
2008-09-06 15:53:43 +02:00
Marco Costalba
c2c0ba875f
TranspositionTable: add first_entry() helper
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An inline function to retrieve the first TT entry
given a position.
Plus usual whitespace noise.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
2008-09-06 12:30:07 +02:00
Marco Costalba
d786822b92
TranspositionTable: micro optimize first cycle
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In the common case (>95%) tte == replace so skip
additional comparisons in this case.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
2008-09-06 12:21:08 +02:00
Marco Costalba
392360e73b
TranspositionTable: early skip on an empty TT entry
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Instead of going for the whole 4 cycle loop early
skip if TT entry is empty.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
2008-09-06 12:20:28 +02:00
Marco Costalba
7c93b171cb
TranspositionTable: spaces inflate
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No functional change, just a tidy up in
preparation for next patches.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
2008-09-06 12:19:29 +02:00
Marco Costalba
bb751d6c89
Initial import of Glaurung 2.1
2008-09-01 07:59:13 +02:00
