X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftimeman.cpp;h=ba0adea527249b38080288907bc500373bca353b;hp=a99114bb4e2d8fbc53199c09b18248a622509474;hb=9eceb894ac91b9b4a88d1972778705304666ac33;hpb=9742fb10fd83e82ad760e4cac5cef3d6dff670ed diff --git a/src/timeman.cpp b/src/timeman.cpp index a99114bb..ba0adea5 100644 --- a/src/timeman.cpp +++ b/src/timeman.cpp @@ -1,7 +1,8 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008-2016 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, 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 @@ -32,8 +33,8 @@ namespace { enum TimeType { OptimumTime, MaxTime }; const int MoveHorizon = 50; // Plan time management at most this many moves ahead - const double MaxRatio = 6.93; // When in trouble, we can step over reserved time with this ratio - const double StealRatio = 0.36; // However we must not steal time from remaining moves over this ratio + const double MaxRatio = 7.09; // When in trouble, we can step over reserved time with this ratio + const double StealRatio = 0.35; // However we must not steal time from remaining moves over this ratio // move_importance() is a skew-logistic function based on naive statistical @@ -43,9 +44,9 @@ namespace { double move_importance(int ply) { - const double XScale = 8.27; - const double XShift = 59.; - const double Skew = 0.179; + const double XScale = 7.64; + const double XShift = 58.4; + const double Skew = 0.183; return pow((1 + exp((ply - XShift) / XScale)), -Skew) + DBL_MIN; // Ensure non-zero }