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Add "Slow Mover" UCI parameter to adjust time management

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With default value of 100 no change in regard of current
behaviour. Increasing the value makes SF to think a
longer time for each move. Decreasing the value makes SF
to move faster.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2012-02-04 10:41:09 +01:00
parent b1cf1acb93
commit 40e939421f
2 changed files with 7 additions and 5 deletions
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11
src/timeman.cpp
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@@ -72,7 +72,7 @@ namespace {
enum TimeType { OptimumTime, MaxTime };
template<TimeType>
int remaining(int myTime, int movesToGo, int fullMoveNumber);
int remaining(int myTime, int movesToGo, int fullMoveNumber, int slowMover);
}
@@ -107,6 +107,7 @@ void TimeManager::init(const Search::LimitsType& limits, int currentPly)
int emergencyBaseTime = Options["Emergency Base Time"];
int emergencyMoveTime = Options["Emergency Move Time"];
int minThinkingTime = Options["Minimum Thinking Time"];
int slowMover = Options["Slow Mover"];
// Initialize to maximum values but unstablePVExtraTime that is reset
unstablePVExtraTime = 0;
@@ -124,8 +125,8 @@ void TimeManager::init(const Search::LimitsType& limits, int currentPly)
hypMyTime = std::max(hypMyTime, 0);
t1 = minThinkingTime + remaining<OptimumTime>(hypMyTime, hypMTG, currentPly);
t2 = minThinkingTime + remaining<MaxTime>(hypMyTime, hypMTG, currentPly);
t1 = minThinkingTime + remaining<OptimumTime>(hypMyTime, hypMTG, currentPly, slowMover);
t2 = minThinkingTime + remaining<MaxTime>(hypMyTime, hypMTG, currentPly, slowMover);
optimumSearchTime = std::min(optimumSearchTime, t1);
maximumSearchTime = std::min(maximumSearchTime, t2);
@@ -142,12 +143,12 @@ void TimeManager::init(const Search::LimitsType& limits, int currentPly)
namespace {
template<TimeType T>
int remaining(int myTime, int movesToGo, int currentPly)
int remaining(int myTime, int movesToGo, int currentPly, int slowMover)
{
const float TMaxRatio = (T == OptimumTime ? 1 : MaxRatio);
const float TStealRatio = (T == OptimumTime ? 0 : StealRatio);
int thisMoveImportance = move_importance(currentPly);
int thisMoveImportance = move_importance(currentPly) * slowMover / 100;
int otherMovesImportance = 0;
for (int i = 1; i < movesToGo; i++)