From: Marco Costalba <mcostalba@gmail.com>
Date: Wed, 18 Mar 2015 07:25:15 +0000 (+0100)
Subject: Retire ConditionVariable
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=ebf3735754d015dfda72930a676b8b43f0614086;hp=ebf3735754d015dfda72930a676b8b43f0614086

Retire ConditionVariable

Now that we use spinlocks everywhere and don't put
threads to sleep while idle, we can use the slower
(but no more in hot path) std::condition_variable_any
instead of our homwgrown ConditionVariable struct.

Verified fo rno regression at STC with 7 threads:
ELO: -0.66 +-2.7 (95%) LOS: 31.8%
Total: 20000 W: 3210 L: 3248 D: 13542

No functional change
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