Stopwatch.h

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#ifndef __STOPWATCH_H
#define __STOPWATCH_H

#define NOMINMAX

#include <boost/accumulators/accumulators.hpp>
#include <boost/accumulators/statistics.hpp>
#include <boost/accumulators/statistics/stats.hpp>
#include <boost/accumulators/statistics/count.hpp>
#include <boost/accumulators/statistics/min.hpp>
#include <boost/accumulators/statistics/max.hpp>
#include <boost/accumulators/statistics/sum.hpp>

#include "tick_count.h"

#include <map>
#include <string>

#include "ManagedDictionary.h"
#include "Timer.h"

namespace Support
{
    //typedef the complex templates used by Stopwatch for clarity
    typedef boost::accumulators::features<boost::accumulators::tag::mean, 
                                        boost::accumulators::tag::count, 
                                        boost::accumulators::tag::min, 
                                        boost::accumulators::tag::max, 
                                        boost::accumulators::tag::sum> 
                                            StopwatchStats;

    typedef boost::accumulators::accumulator_set<double, StopwatchStats> StopwatchAccumulator;

    class Stopwatch
    {
    protected:
        tbb::tick_count _timeAtConstruction;
        std::string _name;
        static ManagedDictionary<std::string, StopwatchAccumulator> _Accumulators;
        static boost::mutex _AccumulatorsMutex;

        static void AccumulateTime(const std::string& name, double timeElapsed);

    public:

        static void PrintAccumulatedTimes();

        INLINE static void PrintAccumulatedTimesConditional()
        {
            #ifdef PERF_CLOCKS 
            Stopwatch::PrintAccumulatedTimes(); 
            #endif
        }

        Stopwatch(const std::string& name);
        ~Stopwatch();
    };
}

#endif