X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftimeman.cpp;h=f07f27e71b1e4a2e393294ef4532676867a3c5dc;hp=64861feb0d61b741e03e07415ecef9bed0d0306f;hb=1d368bbbdc50bbb4e10933c4986abc07a08010fd;hpb=5fc98745c3b72f99337ec1bb3afff22ecd242467 diff --git a/src/timeman.cpp b/src/timeman.cpp index 64861feb..f07f27e7 100644 --- a/src/timeman.cpp +++ b/src/timeman.cpp @@ -17,21 +17,13 @@ along with this program. If not, see . */ - -//// -//// Includes -//// - #include #include "misc.h" +#include "search.h" #include "timeman.h" #include "ucioption.h" -//// -//// Local definitions -//// - namespace { /// Constants @@ -84,51 +76,53 @@ namespace { } -//// -//// Functions -//// - -void TimeManager::pv_unstability(int curChanges, int prevChanges) { +void TimeManager::pv_instability(int curChanges, int prevChanges) { unstablePVExtraTime = curChanges * (optimumSearchTime / 2) + prevChanges * (optimumSearchTime / 3); } -void TimeManager::init(int myTime, int myInc, int movesToGo, int currentPly) + +void TimeManager::init(const SearchLimits& limits, int currentPly) { /* We support four different kind of time controls: - Inc == 0 && movesToGo == 0 means: x basetime [sudden death!] - Inc == 0 && movesToGo != 0 means: (x moves) / (y minutes) - Inc > 0 && movesToGo == 0 means: x basetime + z inc. - Inc > 0 && movesToGo != 0 means: (x moves) / (y minutes) + z inc + increment == 0 && movesToGo == 0 means: x basetime [sudden death!] + increment == 0 && movesToGo != 0 means: x moves in y minutes + increment > 0 && movesToGo == 0 means: x basetime + z increment + increment > 0 && movesToGo != 0 means: x moves in y minutes + z increment Time management is adjusted by following UCI parameters: - emergencyMoveHorizon :Be prepared to always play at least this many moves - emergencyBaseTime :Always attempt to keep at least this much time (in ms) at clock - emergencyMoveTime :Plus attempt to keep at least this much time for each remaining emergency move - minThinkingTime :No matter what, use at least this much thinking before doing the move + emergencyMoveHorizon: Be prepared to always play at least this many moves + emergencyBaseTime : Always attempt to keep at least this much time (in ms) at clock + emergencyMoveTime : Plus attempt to keep at least this much time for each remaining emergency move + minThinkingTime : No matter what, use at least this much thinking before doing the move */ int hypMTG, hypMyTime, t1, t2; // Read uci parameters - int emergencyMoveHorizon = get_option_value_int("Emergency Move Horizon"); - int emergencyBaseTime = get_option_value_int("Emergency Base Time"); - int emergencyMoveTime = get_option_value_int("Emergency Move Time"); - int minThinkingTime = get_option_value_int("Minimum Thinking Time"); + int emergencyMoveHorizon = Options["Emergency Move Horizon"].value(); + int emergencyBaseTime = Options["Emergency Base Time"].value(); + int emergencyMoveTime = Options["Emergency Move Time"].value(); + int minThinkingTime = Options["Minimum Thinking Time"].value(); // Initialize to maximum values but unstablePVExtraTime that is reset unstablePVExtraTime = 0; - optimumSearchTime = maximumSearchTime = myTime; + optimumSearchTime = maximumSearchTime = limits.time; // We calculate optimum time usage for different hypothetic "moves to go"-values and choose the // minimum of calculated search time values. Usually the greatest hypMTG gives the minimum values. - for (hypMTG = 1; hypMTG <= (movesToGo ? Min(movesToGo, MoveHorizon) : MoveHorizon); hypMTG++) + for (hypMTG = 1; hypMTG <= (limits.movesToGo ? Min(limits.movesToGo, MoveHorizon) : MoveHorizon); hypMTG++) { // Calculate thinking time for hypothetic "moves to go"-value - hypMyTime = Max(myTime + (hypMTG - 1) * myInc - emergencyBaseTime - Min(hypMTG, emergencyMoveHorizon) * emergencyMoveTime, 0); + hypMyTime = limits.time + + limits.increment * (hypMTG - 1) + - emergencyBaseTime + - emergencyMoveTime * Min(hypMTG, emergencyMoveHorizon); + + hypMyTime = Max(hypMyTime, 0); t1 = minThinkingTime + remaining(hypMyTime, hypMTG, currentPly); t2 = minThinkingTime + remaining(hypMyTime, hypMTG, currentPly); @@ -137,16 +131,13 @@ void TimeManager::init(int myTime, int myInc, int movesToGo, int currentPly) maximumSearchTime = Min(maximumSearchTime, t2); } - if (get_option_value_bool("Ponder")) + if (Options["Ponder"].value()) optimumSearchTime += optimumSearchTime / 4; // Make sure that maxSearchTime is not over absoluteMaxSearchTime optimumSearchTime = Min(optimumSearchTime, maximumSearchTime); } -//// -//// Local functions -//// namespace {