X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftimeman.h;h=3faba00d292498f0b1875b40d6051b455084a9c0;hp=703dc234b7cf630fdbe3bce62aae8a066377bd6b;hb=69240a982d8c3a2d01fab04c284be43853ab2bc9;hpb=c4517c013cf8cf1a388c94d90727dbe08938cc5a diff --git a/src/timeman.h b/src/timeman.h index 703dc234..3faba00d 100644 --- a/src/timeman.h +++ b/src/timeman.h @@ -1,7 +1,7 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008-2010 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 @@ -17,23 +17,33 @@ along with this program. If not, see . */ -#if !defined(TIMEMAN_H_INCLUDED) +#ifndef TIMEMAN_H_INCLUDED #define TIMEMAN_H_INCLUDED -struct SearchLimits; +#include "misc.h" +#include "search.h" +#include "thread.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(Search::LimitsType& limits, Color us, int ply); + void pv_instability(double bestMoveChanges) { unstablePvFactor = 1 + bestMoveChanges; } + int available() const { return int(optimumTime * unstablePvFactor * 1.016); } + int maximum() const { return maximumTime; } + int elapsed() const { return int(Search::Limits.npmsec ? Threads.nodes_searched() : now() - startTime); } - void init(const Search::LimitsType& limits, int currentPly); - void pv_instability(int curChanges, int prevChanges); - int available_time() const { return optimumSearchTime + unstablePVExtraTime; } - int maximum_time() const { return maximumSearchTime; } + int64_t availableNodes; // When in 'nodes as time' mode private: - int optimumSearchTime; - int maximumSearchTime; - int unstablePVExtraTime; + TimePoint startTime; + int optimumTime; + int maximumTime; + double unstablePvFactor; }; -#endif // !defined(TIMEMAN_H_INCLUDED) +extern TimeManagement Time; + +#endif // #ifndef TIMEMAN_H_INCLUDED