Class GpuStatTimer

src/statTimer/statisticalTimer.GPU.h:122–254

bool operator<( const StatData& lhs, const StatData& rhs);

class GpuStatTimer : public baseStatTimer
{
	//	Typedefs to handle the data that we store
	typedef std::vector< StatData > StatDataVec;
	typedef std::vector< StatDataVec > PerEnqueueVec;

	//	In order to calculate statistics <std. dev.>, we need to keep a history of our timings
	std::vector< PerEnqueueVec > timerData;

	//	Typedefs to handle the identifiers we use for our timers
	typedef	std::pair< std::string, cl_uint > idPair;
	typedef	std::vector< idPair > idVector;
	idVector labelID;

	//	Between each Start/Stop pair, we need to count how many AddSamples were made.
	size_t currSample, currRecord;

	//	Saved sizes for our vectors, used in Reset() to reallocate vectors
	StatDataVec::size_type	nEvents, nSamples;
	size_t currID;

	/**
	 * \fn GpuStatTimer()
	 * \brief Constructor for StatisticalTimer that initializes the class
	 *	This is private so that user code cannot create their own instantiation.  Instead, you
	 *	must go through getInstance( ) to get a reference to the class.
	 */
	GpuStatTimer( );

	/**
	 * \fn ~GpuStatTimer()
	 * \brief Destructor for StatisticalTimer that cleans up the class
	 */
	~GpuStatTimer( );

	/**
	 * \fn GpuStatTimer(const StatisticalTimer& )
	 * \brief Copy constructors do not make sense for a singleton, disallow copies
	 */
	GpuStatTimer( const GpuStatTimer& );

	/**
	 * \fn operator=( const StatisticalTimer& )
	 * \brief Assignment operator does not make sense for a singleton, disallow assignments
	 */
	GpuStatTimer& operator=( const GpuStatTimer& );

	friend std::ostream& operator<<( std::ostream& os, const GpuStatTimer& s );

	//	Calculate the average/mean of data for a given event
	std::vector< StatData > getMean( size_t id );

	//	Calculate the variance of data for a given event
	//	Variance - average of the squared differences between data points and the mean
	std::vector< StatData >	getVariance( size_t id );

	//	Sqrt of variance, also in units of the original data
	std::vector< StatData >	getStdDev( size_t id );