From: MJZ1977 <37274752+MJZ1977@users.noreply.github.com>
Date: Thu, 6 Aug 2020 15:39:10 +0000 (+0200)
Subject: NNUE evaluation threshold
X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;ds=sidebyside;h=3dca13a958cd0dfea1cdea91da230c5aac9e322f;hp=3dca13a958cd0dfea1cdea91da230c5aac9e322f;p=stockfish

NNUE evaluation threshold

The idea is to use NNUE only on quite balanced material positions. This bring a big speedup on research since NNUE eval is slower than classical eval for most of the hardwares and specially on unbalanced positions with LazyEval.

STC: https://tests.stockfishchess.org/tests/view/5f2c2680b3ebe5cbfee85b61
LLR: 2.95 (-2.94,2.94) {-0.50,1.50}
Total: 3168 W: 560 L: 400 D: 2208
Ptnml(0-2): 21, 294, 819, 404, 46

LTC: https://tests.stockfishchess.org/tests/view/5f2c2ca6b3ebe5cbfee85b69
LLR: 2.98 (-2.94,2.94) {0.25,1.75}
Total: 3200 W: 287 L: 183 D: 2730
Ptnml(0-2): 4, 149, 1191, 251, 5

closes https://github.com/official-stockfish/Stockfish/pull/2916

Bench 4746616
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