org.apache.sysml.runtime.instructions.gpu.context

Class GPULazyCudaFreeMemoryManager

java.lang.Object

org.apache.sysml.runtime.instructions.gpu.context.GPULazyCudaFreeMemoryManager

public class GPULazyCudaFreeMemoryManager
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.apache.commons.logging.Log	LOG

Constructor Summary

Constructors

Constructor and Description
GPULazyCudaFreeMemoryManager(GPUMemoryManager gpuManager)

Method Summary

Modifier and Type	Method and Description
void	add(long size, jcuda.Pointer toFree) Add a pointer to the rmvar-ed list
void	clearAll()
Set<jcuda.Pointer>	getAllPointers()
int	getNumPointers() Get total number of rmvared pointers
jcuda.Pointer	getRmvarPointer(String opcode, long size) Get any pointer of the given size from rmvar-ed pointers (applicable if eager cudaFree is set to false)
jcuda.Pointer	getRmvarPointerMinSize(String opcode, long minSize)
long	getTotalMemoryAllocated() Return the total memory in bytes used by this memory manager
void	removeIfPresent(long size, jcuda.Pointer ptr) Remove a specific pointer if present in the internal hashmap

Methods inherited from class java.lang.Object

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

Field Detail

LOG

protected static final org.apache.commons.logging.Log LOG

Constructor Detail

GPULazyCudaFreeMemoryManager

public GPULazyCudaFreeMemoryManager(GPUMemoryManager gpuManager)

Method Detail

getRmvarPointer

public jcuda.Pointer getRmvarPointer(String opcode,
                                     long size)

Get any pointer of the given size from rmvar-ed pointers (applicable if eager cudaFree is set to false)

Parameters:

opcode - opcode

size - size in bytes

Returns:

pointer

getAllPointers

public Set<jcuda.Pointer> getAllPointers()

clearAll

public void clearAll()

getRmvarPointerMinSize

public jcuda.Pointer getRmvarPointerMinSize(String opcode,
                                            long minSize)
                                     throws DMLRuntimeException

Throws:

DMLRuntimeException

getTotalMemoryAllocated

public long getTotalMemoryAllocated()

Return the total memory in bytes used by this memory manager

Returns:

number of bytes

getNumPointers

public int getNumPointers()

Get total number of rmvared pointers

Returns:

number of pointers

add

public void add(long size,
                jcuda.Pointer toFree)

Add a pointer to the rmvar-ed list

Parameters:

size - size of the pointer

toFree - pointer

removeIfPresent

public void removeIfPresent(long size,
                            jcuda.Pointer ptr)

Remove a specific pointer if present in the internal hashmap

Parameters:

size - size in bytes

ptr - pointer to be removed