kernelTuner Class Reference

A class that tries to dynamically optimize a kernel parameter. More...

#include <kernelTuner.h>

Public Member Functions
	kernelTuner (int start, int end, int step, int nSamples, int _period)
	Base constructor takes (start,end,step) values to scan, sample number, and period. More...
	~kernelTuner ()
	destroy the cuda events More...
void	begin ()
void	end ()
int	getParameter ()
	return the parameter to use for the kernel More...
void	printTimingData ()
	print timing data to screen More...
bool	samplingComplete ()
	Is initial sampling complete? More...

Protected Types
enum	State { STARTUP, IDLE, SCANNING }
	names for the internal state More...

Protected Member Functions
int	computeOptimalParameter ()

Protected Attributes
int	parameterValue
int	samplesPerValue
int	period
vector< int >	possibleParameters
State	internalState
int	currentSample
int	currentParameterIndex
int	callsSinceLastSample
vector< vector< float > >	sampleData
vector< float >	sampleMedian
chrono::time_point< chrono::high_resolution_clock >	startTime
chrono::time_point< chrono::high_resolution_clock >	endTime

Detailed Description

A class that tries to dynamically optimize a kernel parameter.

Member Enumeration Documentation

State

enum kernelTuner::State

protected

names for the internal state

Enumerator
STARTUP
IDLE
SCANNING

Constructor & Destructor Documentation

kernelTuner()

kernelTuner::kernelTuner	(	int	start,
		int	end,
		int	step,
		int	nSamples,
		int	_period
	)

Base constructor takes (start,end,step) values to scan, sample number, and period.

References callsSinceLastSample, currentParameterIndex, currentSample, end(), internalState, parameterValue, period, possibleParameters, resize(), sampleData, sampleMedian, samplesPerValue, and STARTUP.

~kernelTuner()

kernelTuner::~kernelTuner

(

)

destroy the cuda events

Member Function Documentation

begin()

void kernelTuner::begin

(

)

References IDLE, internalState, and startTime.

end()

void kernelTuner::end

(

)

References callsSinceLastSample, computeOptimalParameter(), currentParameterIndex, currentSample, endTime, IDLE, internalState, parameterValue, period, possibleParameters, sampleData, samplesPerValue, SCANNING, startTime, and STARTUP.

Referenced by kernelTuner().

getParameter()

int kernelTuner::getParameter ( )

inline

return the parameter to use for the kernel

References parameterValue.

printTimingData()

void kernelTuner::printTimingData ( )

inline

print timing data to screen

References parameterValue, possibleParameters, and sampleMedian.

samplingComplete()

bool kernelTuner::samplingComplete ( )

inline

Is initial sampling complete?

References internalState, and STARTUP.

computeOptimalParameter()

int kernelTuner::computeOptimalParameter ( )

protected

References possibleParameters, sampleData, sampleMedian, and scalar.

Referenced by end().

Member Data Documentation

parameterValue

int kernelTuner::parameterValue

protected

Referenced by end(), getParameter(), kernelTuner(), and printTimingData().

samplesPerValue

int kernelTuner::samplesPerValue

protected

Referenced by end(), and kernelTuner().

period

int kernelTuner::period

protected

Referenced by end(), and kernelTuner().

possibleParameters

vector<int> kernelTuner::possibleParameters

protected

Referenced by computeOptimalParameter(), end(), kernelTuner(), and printTimingData().

internalState

State kernelTuner::internalState

protected

Referenced by begin(), end(), kernelTuner(), and samplingComplete().

currentSample

int kernelTuner::currentSample

protected

Referenced by end(), and kernelTuner().

currentParameterIndex

int kernelTuner::currentParameterIndex

protected

Referenced by end(), and kernelTuner().

callsSinceLastSample

int kernelTuner::callsSinceLastSample

protected

Referenced by end(), and kernelTuner().

sampleData

vector<vector< float> > kernelTuner::sampleData

protected

Referenced by computeOptimalParameter(), end(), and kernelTuner().

sampleMedian

vector<float> kernelTuner::sampleMedian

protected

Referenced by computeOptimalParameter(), kernelTuner(), and printTimingData().

startTime

chrono::time_point<chrono::high_resolution_clock> kernelTuner::startTime

protected

Referenced by begin(), and end().

endTime

chrono::time_point<chrono::high_resolution_clock> kernelTuner::endTime

protected

Referenced by end().

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The documentation for this class was generated from the following files:

• kernelTuner.h
• kernelTuner.cpp