org.nd4j.allocator.impl

Class MemoryTracker

java.lang.Object

org.nd4j.allocator.impl.MemoryTracker

public class MemoryTracker
extends Object

Constructor Summary

Constructors

Constructor and Description
MemoryTracker()

Method Summary

Modifier and Type	Method and Description
void	decrementAllocatedAmount(int deviceId, long memorySubtracted) This method decrements amount of regular allocated memory
void	decrementAllocatedHostAmount(long numBytes)
void	decrementCachedAmount(int deviceId, long memorySubtracted) This method decrements amount of cached memory
void	decrementCachedHostAmount(long numBytes)
void	decrementWorkspaceAmount(int deviceId, long memorySubtracted) This method decrements amount of memory allocated within workspaces
long	getActiveHostAmount() This method returns number of bytes allocated and cached in host ram
long	getActiveMemory(int deviceId) This method returns total amount of device memory allocated on specified device Includes: workspace memory, cached memory, regular memory
long	getAllocatedAmount(int deviceId)
long	getAllocatedHostAmount() This method returns number of bytes currently allocated from host memory
long	getApproximateFreeMemory(int deviceId) This method returns approximate free memory on specified device
long	getCachedAmount(int deviceId)
long	getCachedHostAmount() This method returns number of bytes currently cached from host memory
long	getFreeMemory(int deviceId)
static MemoryTracker	getInstance()
long	getManagedMemory(int deviceId) This method returns amount of memory that relies on JVM GC Includes: cached memory, regular allocated memory
long	getPreciseFreeMemory(int deviceId) This method returns precise amount of free memory on specified device
long	getTotalMemory(int deviceId)
long	getUsableMemory(int deviceId) This method returns delta between total memory and free memory
long	getWorkspaceAllocatedAmount(int deviceId)
void	incrementAllocatedAmount(int deviceId, long memoryAdded) This method increments amount of regular allocated memory
void	incrementAllocatedHostAmount(long numBytes)
void	incrementCachedAmount(int deviceId, long memoryAdded) This method increments amount of cached memory
void	incrementCachedHostAmount(long numBytes)
void	incrementWorkspaceAllocatedAmount(int deviceId, long memoryAdded) This method increments amount of memory allocated within workspaces

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoryTracker

public MemoryTracker()

Method Detail

getInstance

public static MemoryTracker getInstance()

getAllocatedAmount

public long getAllocatedAmount(int deviceId)

getCachedAmount

public long getCachedAmount(int deviceId)

getCachedHostAmount

public long getCachedHostAmount()

This method returns number of bytes currently cached from host memory

Returns:

getAllocatedHostAmount

public long getAllocatedHostAmount()

This method returns number of bytes currently allocated from host memory

Returns:

getActiveHostAmount

public long getActiveHostAmount()

This method returns number of bytes allocated and cached in host ram

Returns:

incrementCachedHostAmount

public void incrementCachedHostAmount(long numBytes)

incrementAllocatedHostAmount

public void incrementAllocatedHostAmount(long numBytes)

decrementCachedHostAmount

public void decrementCachedHostAmount(long numBytes)

decrementAllocatedHostAmount

public void decrementAllocatedHostAmount(long numBytes)

getWorkspaceAllocatedAmount

public long getWorkspaceAllocatedAmount(int deviceId)

getTotalMemory

public long getTotalMemory(int deviceId)

getFreeMemory

public long getFreeMemory(int deviceId)

getApproximateFreeMemory

public long getApproximateFreeMemory(int deviceId)

This method returns approximate free memory on specified device

Parameters:

deviceId -

Returns:

getPreciseFreeMemory

public long getPreciseFreeMemory(int deviceId)

This method returns precise amount of free memory on specified device

Parameters:

deviceId -

Returns:

getUsableMemory

public long getUsableMemory(int deviceId)

This method returns delta between total memory and free memory

Parameters:

deviceId -

Returns:

getActiveMemory

public long getActiveMemory(int deviceId)

This method returns total amount of device memory allocated on specified device Includes: workspace memory, cached memory, regular memory

Parameters:

deviceId -

Returns:

getManagedMemory

public long getManagedMemory(int deviceId)

This method returns amount of memory that relies on JVM GC Includes: cached memory, regular allocated memory

Parameters:

deviceId -

Returns:

incrementAllocatedAmount

public void incrementAllocatedAmount(int deviceId,
                                     long memoryAdded)

This method increments amount of regular allocated memory

Parameters:

deviceId -

memoryAdded -

incrementCachedAmount

public void incrementCachedAmount(int deviceId,
                                  long memoryAdded)

This method increments amount of cached memory

Parameters:

deviceId -

memoryAdded -

decrementAllocatedAmount

public void decrementAllocatedAmount(int deviceId,
                                     long memorySubtracted)

This method decrements amount of regular allocated memory

Parameters:

deviceId -

memorySubtracted -

decrementCachedAmount

public void decrementCachedAmount(int deviceId,
                                  long memorySubtracted)

This method decrements amount of cached memory

Parameters:

deviceId -

memorySubtracted -

incrementWorkspaceAllocatedAmount

public void incrementWorkspaceAllocatedAmount(int deviceId,
                                              long memoryAdded)

This method increments amount of memory allocated within workspaces

Parameters:

deviceId -

memoryAdded -

decrementWorkspaceAmount

public void decrementWorkspaceAmount(int deviceId,
                                     long memorySubtracted)

This method decrements amount of memory allocated within workspaces

Parameters:

deviceId -

memorySubtracted -