From: Marco Costalba <mcostalba@gmail.com>
Date: Fri, 3 Feb 2012 12:18:51 +0000 (+0100)
Subject: Reduce lock contention in idle_loop
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=c94cfebb7e6d787b9bdf2670cc1436eb0dfbea57;hp=c94cfebb7e6d787b9bdf2670cc1436eb0dfbea57

Reduce lock contention in idle_loop

Release split point lock before to wake up
master thread. This seems to increase speed
in case "sleeping threads" are used:

After 7792 games with 4 threads at very fast TC (2"+0.05)
Mod vs Orig 1722 - 1627 - 4443 ELO +4 (+- 5.1)

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
---