java.lang.Object
- com.aparapi.internal.kernel.KernelDeviceProfile

public class KernelDeviceProfile
extends java.lang.Object

Created by Barney on 02/09/2015.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

private class KernelDeviceProfile.Accumulator

private class KernelDeviceProfile.GlobalAccumulator

Field Summary

Fields
Modifier and Type	Field	Description
`private java.util.Map<java.lang.Thread,KernelDeviceProfile.Accumulator>`	`accs`
`private Device`	`device`
`private java.text.DecimalFormat`	`format`
`private KernelDeviceProfile.GlobalAccumulator`	`globalAcc`
`private java.util.concurrent.atomic.AtomicLong`	`invocationCountGlobal`
`private java.lang.Class<? extends Kernel>`	`kernel`
`private java.util.concurrent.atomic.AtomicReference<KernelDeviceProfile.Accumulator>`	`lastAccumulator`
`private static java.util.logging.Logger`	`logger`
`private static double`	`MILLION`
`private static int`	`NUM_EVENTS`
`private KernelProfile`	`parentKernelProfile`
`private static int`	`TABLE_COLUMN_COUNT_WIDTH`
`private static int`	`TABLE_COLUMN_HEADER_WIDTH`
`private static int`	`TABLE_COLUMN_WIDTH`
`private static java.lang.String`	`tableHeader`

Constructor Summary

Constructors
Constructor Description

KernelDeviceProfile(KernelProfile parentProfile, java.lang.Class<? extends Kernel> kernel, Device device)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`private static void`	`appendCell(java.lang.StringBuilder builder, java.lang.String cell)`
`private static void`	`appendRowHeaders(java.lang.StringBuilder builder, java.lang.String device, java.lang.String count)`
`private KernelDeviceProfile.Accumulator`	`getAccForThread()`
`private KernelDeviceProfile.Accumulator`	`getAccForThreadPutIfAbsent()`
`java.lang.String`	`getAverageAsTableRow()`
`java.lang.String`	`getCumulativeAsTableRow()`
`double`	`getCumulativeElapsedTimeAllCurrentThread()`	Elapsed time of entire execution, summed over all executions, for the current thread, if it has executed the kernel on the device assigned to this KernelDeviceProfile instance.
`double`	`getCumulativeElapsedTimeAllGlobal()`	Elapsed time of entire execution, summed over all executions, for all the threads, that executed the kernel on this device.
`double`	`getCumulativeElapsedTimeCurrrentThread(ProfilingEvent stage)`	Elapsed time for a single event only, i.e.
`double`	`getCumulativeElapsedTimeGlobal(ProfilingEvent stage)`	Elapsed time for a single event only, i.e.
`double`	`getElapsedTimeCurrentThread(int stage)`	Elapsed time for a single event only and for the current thread, i.e.
`double`	`getElapsedTimeCurrentThread(int from, int to)`	Elapsed time for all events `from` through `to` for the current thread.
`double`	`getElapsedTimeLastThread(int stage)`	Elapsed time for a single event only and for the last thread that finished executing a kernel, i.e.
`double`	`getElapsedTimeLastThread(int from, int to)`	Elapsed time for all events `from` through `to` for the last thread that executed this KernelDeviceProfile instance respective kernel and device.
`java.lang.String`	`getLastAsTableRow()`
`java.lang.ref.WeakReference<ProfileReport>`	`getReportCurrentThread()`	Retrieves the most recent complete report available for the current thread calling this method. Note1: If the profile report is intended to be kept in memory, the object should be cloned with `ProfileReport.clone()` Note2: If the thread didn't execute this KernelDeviceProfile instance respective kernel and device, it will return null.
`java.lang.ref.WeakReference<ProfileReport>`	`getReportLastThread()`	Retrieves the most recent complete report available for the last thread that executed this KernelDeviceProfile instance respective kernel and device. Note1: If the profile report is intended to be kept in memory, the object should be cloned with `ProfileReport.clone()`
`static java.lang.String`	`getTableHeader()`
`private java.lang.String`	`internalCumulativeAsTableRow(boolean mean)`
`void`	`onEvent(ProfilingEvent event)`
`java.lang.String`	`toString()`
`private ProfileReport`	`updateProfileReport(ProfileReport report, long invocationCount, long[] currentTimes)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - logger
```
private static java.util.logging.Logger logger
```
  - NUM_EVENTS
```
private static final int NUM_EVENTS
```
  - MILLION
```
private static final double MILLION
```
    See Also:
    
    Constant Field Values
  - TABLE_COLUMN_HEADER_WIDTH
```
private static final int TABLE_COLUMN_HEADER_WIDTH
```
    See Also:
    
    Constant Field Values
  - TABLE_COLUMN_COUNT_WIDTH
```
private static final int TABLE_COLUMN_COUNT_WIDTH
```
    See Also:
    
    Constant Field Values
  - TABLE_COLUMN_WIDTH
```
private static final int TABLE_COLUMN_WIDTH
```
  - tableHeader
```
private static java.lang.String tableHeader
```
  - parentKernelProfile
```
private final KernelProfile parentKernelProfile
```
  - kernel
```
private final java.lang.Class<? extends Kernel> kernel
```
  - device
```
private final Device device
```
  - format
```
private final java.text.DecimalFormat format
```
  - invocationCountGlobal
```
private final java.util.concurrent.atomic.AtomicLong invocationCountGlobal
```
  - lastAccumulator
```
private final java.util.concurrent.atomic.AtomicReference<KernelDeviceProfile.Accumulator> lastAccumulator
```
  - globalAcc
```
private final KernelDeviceProfile.GlobalAccumulator globalAcc
```
  - accs
```
private final java.util.Map<java.lang.Thread,KernelDeviceProfile.Accumulator> accs
```
- Constructor Detail
  - KernelDeviceProfile
```
public KernelDeviceProfile(KernelProfile parentProfile,
                           java.lang.Class<? extends Kernel> kernel,
                           Device device)
```
- Method Detail
  - getAccForThreadPutIfAbsent
```
private KernelDeviceProfile.Accumulator getAccForThreadPutIfAbsent()
```
  - getAccForThread
```
private KernelDeviceProfile.Accumulator getAccForThread()
```
  - onEvent
```
public void onEvent(ProfilingEvent event)
```
  - updateProfileReport
```
private ProfileReport updateProfileReport(ProfileReport report,
                                          long invocationCount,
                                          long[] currentTimes)
```
  - getElapsedTimeCurrentThread
```
public double getElapsedTimeCurrentThread(int stage)
```
    Elapsed time for a single event only and for the current thread, i.e. since the previous stage rather than from the start.
  - getElapsedTimeCurrentThread
```
public double getElapsedTimeCurrentThread(int from,
                                          int to)
```
    Elapsed time for all events from through to for the current thread.
  - getReportCurrentThread
```
public java.lang.ref.WeakReference<ProfileReport> getReportCurrentThread()
```
    Retrieves the most recent complete report available for the current thread calling this method.
    Note1: If the profile report is intended to be kept in memory, the object should be cloned with ProfileReport.clone()
    Note2: If the thread didn't execute this KernelDeviceProfile instance respective kernel and device, it will return null.
    Returns:
    
    the profiling report for the current most recent execution
    
    null, if no profiling report is available for such thread
  - getReportLastThread
```
public java.lang.ref.WeakReference<ProfileReport> getReportLastThread()
```
    Retrieves the most recent complete report available for the last thread that executed this KernelDeviceProfile instance respective kernel and device.
    Note1: If the profile report is intended to be kept in memory, the object should be cloned with ProfileReport.clone()
    Returns:
    
    the profiling report for the current most recent execution
    
    null, if no profiling report is available yet
  - getCumulativeElapsedTimeCurrrentThread
```
public double getCumulativeElapsedTimeCurrrentThread(ProfilingEvent stage)
```
    Elapsed time for a single event only, i.e. since the previous stage rather than from the start, summed over all executions, for the current thread, if it has executed the kernel on the device assigned to this KernelDeviceProfile instance.
    
    Parameters:
    
    stage - the event stage
  - getCumulativeElapsedTimeAllCurrentThread
```
public double getCumulativeElapsedTimeAllCurrentThread()
```
    Elapsed time of entire execution, summed over all executions, for the current thread, if it has executed the kernel on the device assigned to this KernelDeviceProfile instance.
  - getElapsedTimeLastThread
```
public double getElapsedTimeLastThread(int stage)
```
    Elapsed time for a single event only and for the last thread that finished executing a kernel, i.e. single event only - since the previous stage rather than from the start.
    
    Parameters:
    
    stage - the event stage
  - getElapsedTimeLastThread
```
public double getElapsedTimeLastThread(int from,
                                       int to)
```
    Elapsed time for all events from through to for the last thread that executed this KernelDeviceProfile instance respective kernel and device.
    
    Parameters:
    
    from - the first event to consider that defines the elapsed period start
    
    to - the last event to consider for elapsed period
  - getCumulativeElapsedTimeGlobal
```
public double getCumulativeElapsedTimeGlobal(ProfilingEvent stage)
```
    Elapsed time for a single event only, i.e. since the previous stage rather than from the start, summed over all executions, for the last thread that executed this KernelDeviceProfile instance respective kernel and device.
    
    Parameters:
    
    stage - the event stage
  - getCumulativeElapsedTimeAllGlobal
```
public double getCumulativeElapsedTimeAllGlobal()
```
    Elapsed time of entire execution, summed over all executions, for all the threads, that executed the kernel on this device.
  - getTableHeader
```
public static java.lang.String getTableHeader()
```
  - getLastAsTableRow
```
public java.lang.String getLastAsTableRow()
```
  - getCumulativeAsTableRow
```
public java.lang.String getCumulativeAsTableRow()
```
  - getAverageAsTableRow
```
public java.lang.String getAverageAsTableRow()
```
  - internalCumulativeAsTableRow
```
private java.lang.String internalCumulativeAsTableRow(boolean mean)
```
  - appendRowHeaders
```
private static void appendRowHeaders(java.lang.StringBuilder builder,
                                     java.lang.String device,
                                     java.lang.String count)
```
  - appendCell
```
private static void appendCell(java.lang.StringBuilder builder,
                               java.lang.String cell)
```
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object

Modifier and Type	Class	Description
`private class`	`KernelDeviceProfile.Accumulator`
`private class`	`KernelDeviceProfile.GlobalAccumulator`

Class KernelDeviceProfile

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

logger

NUM_EVENTS

MILLION

TABLE_COLUMN_HEADER_WIDTH

TABLE_COLUMN_COUNT_WIDTH

TABLE_COLUMN_WIDTH

tableHeader

parentKernelProfile

kernel

device

format

invocationCountGlobal

lastAccumulator

globalAcc

accs

Constructor Detail

KernelDeviceProfile

Method Detail

getAccForThreadPutIfAbsent

getAccForThread

onEvent

updateProfileReport

getElapsedTimeCurrentThread

getElapsedTimeCurrentThread

getReportCurrentThread

getReportLastThread

getCumulativeElapsedTimeCurrrentThread

getCumulativeElapsedTimeAllCurrentThread

getElapsedTimeLastThread

getElapsedTimeLastThread

getCumulativeElapsedTimeGlobal

getCumulativeElapsedTimeAllGlobal

getTableHeader

getLastAsTableRow

getCumulativeAsTableRow

getAverageAsTableRow

internalCumulativeAsTableRow

appendRowHeaders

appendCell

toString