Smart TT save
authormstembera <MissingEmail@email>
Sat, 9 May 2015 16:43:57 +0000 (17:43 +0100)
committerJoona Kiiski <joona.kiiski@gmail.com>
Sat, 9 May 2015 16:43:57 +0000 (17:43 +0100)
commiteaeb63f1d03aa71edf719605a31d121bf086a03d
tree1daaabfed1ee76d1e05453d1c850dc080e703786
parent92dbee7875254eb54347edd00fae48467b1b0fd2
Smart TT save

Don't overwrite more valuable data with less valuable data

STC 2MB
LLR: 2.96 (-2.94,2.94) [-1.50,4.50]
Total: 21132 W: 4108 L: 3946 D: 13078
http://tests.stockfishchess.org/tests/view/5547d59f0ebc5940ca5d6883

LTC 8MB
LLR: 2.97 (-2.94,2.94) [0.00,6.00]
Total: 13381 W: 2149 L: 1987 D: 9245
http://tests.stockfishchess.org/tests/view/5549b5a80ebc5940ca5d68b9

STC 16MB regression w/ zero effective hash pressure
LLR: 2.96 (-2.94,2.94) [-5.00,0.00]
Total: 18944 W: 3607 L: 3564 D: 11773
http://tests.stockfishchess.org/tests/view/554b0fda0ebc5940ca5d68ea

Bench: 8787152

Resolves #347
src/tt.h