Remove coordination between searching threads

[stockfish] / src / timeman.cpp

diff --git a/src/timeman.cpp b/src/timeman.cpp
index da08f12d9692994355daf9a27130637b4b871d98..3236b6e9bbb46ec15ad353607cba1a1a4dc8835c 100644 (file)
--- a/src/timeman.cpp
+++ b/src/timeman.cpp
@@ -1,6 +1,6 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
-  Copyright (C) 2004-2020 The Stockfish developers (see AUTHORS file)
+  Copyright (C) 2004-2021 The Stockfish developers (see AUTHORS file)
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -24,6 +24,8 @@
 #include "timeman.h"
 #include "uci.h"
 
+namespace Stockfish {
+
 TimeManagement Time; // Our global time management object
 
 
@@ -92,6 +94,16 @@ void TimeManagement::init(Search::LimitsType& limits, Color us, int ply) {
   optimumTime = TimePoint(optScale * timeLeft);
   maximumTime = TimePoint(std::min(0.8 * limits.time[us] - moveOverhead, maxScale * optimumTime));
 
+  if (Stockfish::Search::Limits.use_time_management())
+  {
+      int strength = std::log( std::max(1, int(optimumTime * Threads.size() / 10))) * 60;
+      tempoNNUE = std::clamp( (strength + 264) / 24, 18, 30);
+  }
+  else
+      tempoNNUE = 28; // default for no time given
+
   if (Options["Ponder"])
       optimumTime += optimumTime / 4;
 }
+
+} // namespace Stockfish