Package com.aparapi.internal.kernel

Class KernelProfile

java.lang.Object

com.aparapi.internal.kernel.KernelProfile

public class KernelProfile
extends java.lang.Object

Collects profiling information per kernel class per device.

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.concurrent.atomic.AtomicReference<Device>	currentDevice
private java.util.concurrent.ConcurrentSkipListMap<Device,KernelDeviceProfile>	deviceProfiles
private java.lang.Class<? extends Kernel>	kernelClass
private static java.util.logging.Logger	logger
static double	MILLION
private IProfileReportObserver	observer

Constructor Summary

Constructors

Constructor	Description
KernelProfile(java.lang.Class<? extends Kernel> _kernelClass)

Method Summary

Modifier and Type	Method	Description
double	getAccumulatedTotalTime()
KernelDeviceProfile	getDeviceProfile(Device device)
java.util.Collection<KernelDeviceProfile>	getDeviceProfiles()
java.util.Collection<Device>	getDevices()
double	getLastConversionTime()
KernelDeviceProfile	getLastDeviceProfile()	Retrieves the last device profile that was updated by the last thread that made a profiling information update, when executing this kernel on the specified device.
double	getLastExecutionTime()
IProfileReportObserver	getReportObserver()
(package private) void	onEvent(Device device, ProfilingEvent event)	Updates the profiling information for the current thread invoking this method regarding the specified execution device.
(package private) void	onStart(Device device)	Starts a profiling information gathering sequence for the current thread invoking this method regarding the specified execution device.
void	setReportObserver(IProfileReportObserver _observer)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

MILLION

public static final double MILLION

See Also:

Constant Field Values

logger

private static java.util.logging.Logger logger

kernelClass

private final java.lang.Class<? extends Kernel> kernelClass

deviceProfiles

private java.util.concurrent.ConcurrentSkipListMap<Device,KernelDeviceProfile> deviceProfiles

currentDevice

private final java.util.concurrent.atomic.AtomicReference<Device> currentDevice

observer

private IProfileReportObserver observer

Constructor Detail

KernelProfile

public KernelProfile(java.lang.Class<? extends Kernel> _kernelClass)

Method Detail

getLastExecutionTime

public double getLastExecutionTime()

getLastConversionTime

public double getLastConversionTime()

getAccumulatedTotalTime

public double getAccumulatedTotalTime()

getLastDeviceProfile

public KernelDeviceProfile getLastDeviceProfile()

Retrieves the last device profile that was updated by the last thread that made a profiling information update, when executing this kernel on the specified device.

Returns:

the device profile

onStart

void onStart(Device device)

Starts a profiling information gathering sequence for the current thread invoking this method regarding the specified execution device.

Parameters:

device -

onEvent

void onEvent(Device device,
             ProfilingEvent event)

Updates the profiling information for the current thread invoking this method regarding the specified execution device.

Parameters:

device - the device where the kernel is/was executed

event - the event for which the profiling information is being updated

getDevices

public java.util.Collection<Device> getDevices()

getDeviceProfiles

public java.util.Collection<KernelDeviceProfile> getDeviceProfiles()

getDeviceProfile

public KernelDeviceProfile getDeviceProfile(Device device)

setReportObserver

public void setReportObserver(IProfileReportObserver _observer)

getReportObserver

public IProfileReportObserver getReportObserver()