org.nd4j.linalg.cpu.nativecpu

Class CpuMemoryManager

java.lang.Object

org.nd4j.linalg.memory.BasicMemoryManager

org.nd4j.linalg.cpu.nativecpu.CpuMemoryManager

All Implemented Interfaces:

MemoryManager

public class CpuMemoryManager
extends BasicMemoryManager

Author:

raver119@gmail.com

Field Summary

Fields inherited from class org.nd4j.linalg.memory.BasicMemoryManager

averageLoopTime, averagingEnabled, freqCounter, frequency, intervals, intervalTail, lastGcTime, noGcWindow, periodicEnabled

Constructor Summary

Constructors

Constructor and Description
CpuMemoryManager()

Method Summary

Modifier and Type	Method and Description
org.bytedeco.javacpp.Pointer	allocate(long bytes, org.nd4j.linalg.api.memory.enums.MemoryKind kind, boolean initialize) This method returns PLEASE NOTE: Cache options depend on specific implementations
void	collect(INDArray... arrays) This method detaches off-heap memory from passed INDArray instances, and optionally stores them in cache for future reuse PLEASE NOTE: Cache options depend on specific implementations
boolean	isPeriodicGcActive() Nd4j-native backend doesn't use periodic GC.
void	memset(INDArray array)
void	release(org.bytedeco.javacpp.Pointer pointer, org.nd4j.linalg.api.memory.enums.MemoryKind kind) This method releases previously allocated memory chunk

Methods inherited from class org.nd4j.linalg.memory.BasicMemoryManager

getAutoGcWindow, getAverageLoopTime, getCurrentWorkspace, getLastGcTime, getOccasionalGcFrequency, invokeGc, invokeGcOccasionally, memcpy, notifyScopeEntered, notifyScopeLeft, purgeCaches, scopeOutOfWorkspaces, setAutoGcWindow, setCurrentWorkspace, setOccasionalGcFrequency, toggleAveraging, togglePeriodicGc

Methods inherited from class java.lang.Object

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

Constructor Detail

CpuMemoryManager

public CpuMemoryManager()

Method Detail

allocate

public org.bytedeco.javacpp.Pointer allocate(long bytes,
                                             org.nd4j.linalg.api.memory.enums.MemoryKind kind,
                                             boolean initialize)

This method returns PLEASE NOTE: Cache options depend on specific implementations

Specified by:

allocate in interface MemoryManager

Overrides:

allocate in class BasicMemoryManager

Parameters:

bytes -

kind -

initialize -

release

public void release(@NonNull
                    org.bytedeco.javacpp.Pointer pointer,
                    org.nd4j.linalg.api.memory.enums.MemoryKind kind)

This method releases previously allocated memory chunk

Parameters:

pointer -

kind -

collect

public void collect(INDArray... arrays)

This method detaches off-heap memory from passed INDArray instances, and optionally stores them in cache for future reuse PLEASE NOTE: Cache options depend on specific implementations

Specified by:

collect in interface MemoryManager

Overrides:

collect in class BasicMemoryManager

Parameters:

arrays -

isPeriodicGcActive

public boolean isPeriodicGcActive()

Nd4j-native backend doesn't use periodic GC. This method will always return false.

Specified by:

isPeriodicGcActive in interface MemoryManager

Overrides:

isPeriodicGcActive in class BasicMemoryManager

Returns:

memset

public void memset(INDArray array)