/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008-2014 Marco Costalba, Joona Kiiski, Tord Romstad
+ Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#ifndef TIMEMAN_H_INCLUDED
#define TIMEMAN_H_INCLUDED
-/// The TimeManager class computes the optimal time to think depending on the
-/// maximum available time, the game move number and other parameters.
+#include "misc.h"
+#include "search.h"
-class TimeManager {
+/// The TimeManagement class computes the optimal time to think depending on
+/// the maximum available time, the game move number and other parameters.
+
+class TimeManagement {
public:
- void init(const Search::LimitsType& limits, int currentPly, Color us);
+ void init(Search::LimitsType& limits, Color us, int ply, TimePoint now);
void pv_instability(double bestMoveChanges) { unstablePvFactor = 1 + bestMoveChanges; }
- int available_time() const { return optimumSearchTime * unstablePvFactor * 0.71; }
- int maximum_time() const { return maximumSearchTime; }
+ int available() const { return int(optimumTime * unstablePvFactor * 0.76); }
+ int maximum() const { return maximumTime; }
+ int elapsed() const { return int(Search::Limits.npmsec ? Search::RootPos.nodes_searched() : now() - start); }
+
+ int64_t availableNodes; // When in 'nodes as time' mode
private:
- int optimumSearchTime;
- int maximumSearchTime;
+ TimePoint start;
+ int optimumTime;
+ int maximumTime;
double unstablePvFactor;
};
+extern TimeManagement Time;
+
#endif // #ifndef TIMEMAN_H_INCLUDED