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Introduce elapsed_time()

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And reformat a bit time manager code.

Note that now we set starting search time in think() and
no more in ThreadPool::start_thinking(), the added delay
is less than 1 msec, so below timer resolution (5msec) and
should not affect time lossses ratio.

No functional change.
This commit is contained in:
Marco Costalba
2015-04-02 08:52:22 +02:00
parent 6661a31541
commit 5d1b92e8f9
5 changed files with 26 additions and 26 deletions
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14
src/timeman.h
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@@ -20,19 +20,23 @@
#ifndef TIMEMAN_H_INCLUDED
#define TIMEMAN_H_INCLUDED
#include "misc.h"
/// The TimeManager class computes the optimal time to think depending on the
/// maximum available time, the game move number and other parameters.
class TimeManager {
public:
void init(const Search::LimitsType& limits, Color us, int ply);
void init(const Search::LimitsType& limits, Color us, int ply, TimePoint now);
void pv_instability(double bestMoveChanges) { unstablePvFactor = 1 + bestMoveChanges; }
int available_time() const { return int(optimumSearchTime * unstablePvFactor * 0.76); }
int maximum_time() const { return maximumSearchTime; }
int available_time() const { return int(optimumTime * unstablePvFactor * 0.76); }
int maximum_time() const { return maximumTime; }
int elapsed_time() const { return now() - start; }
private:
int optimumSearchTime;
int maximumSearchTime;
TimePoint start;
int optimumTime;
int maximumTime;
double unstablePvFactor;
};