From: Marco Costalba <mcostalba@gmail.com>
Date: Tue, 4 Dec 2012 06:57:46 +0000 (+0100)
Subject: Merge branch 'eval_cache'
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=6fa83f51889248b16f539db4ce0fe5b23f2a85d6;ds=sidebyside

Merge branch 'eval_cache'

Use an eval cache instead of TT to store node
position evaluations.

It is already an improvment and, because it frees
two TT entry slots, paves the way to extend TT to
store both upper and lower bounds.

After 4855 games, single thread, 15"+0.05
Mod vs Orig 1165 -920 - 2770 ELO +18

bench: 5149248
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6fa83f51889248b16f539db4ce0fe5b23f2a85d6