curfil::DeviceCache Class Reference

Abstract base class that implements a simple LRU cache on GPU. More...

#include <random_tree_image_gpu.h>

Inheritance diagram for curfil::DeviceCache:

Public Member Functions
std::map< const void *, size_t > &	getIdMap ()
bool	containsElement (const void *element) const
size_t	getElementPos (const void *element) const
void	clear ()
	Clear the entire cache.
size_t	getTotalTransferTimeMircoseconds () const

Protected Member Functions
bool	isBound () const
void	setBound (bool bound)
	set the texture bound property
void	updateCacheSize (size_t cacheSize)
	set the cache size to the passed size
virtual void	bind ()=0
	bind texture to array
virtual void	unbind ()=0
	unbind the texture
virtual void	allocArray ()=0
	allocate a CUDA array
virtual void	freeArray ()=0
	clear texture data and free the array
size_t	getCacheSize () const
void	copyElements (size_t cacheSize, const std::set< const void * > &elements)
	resize the cache and transfer the elements to GPU
virtual void	transferElement (size_t pos, const void *element, cudaStream_t stream)=0
	transfer the element's value at the passed position to GPU
virtual std::string	getElementName (const void *element) const =0
virtual std::string	getElementsName () const =0

Detailed Description

Abstract base class that implements a simple LRU cache on GPU.

Definition at line 128 of file random_tree_image_gpu.h.

Member Function Documentation

bool curfil::DeviceCache::containsElement

(

const void *

element

)

const

Returns

true if and only if the given element is in cache.

size_t curfil::DeviceCache::getCacheSize ( ) const

inlineprotected

Returns

the cache size

Definition at line 200 of file random_tree_image_gpu.h.

virtual std::string curfil::DeviceCache::getElementName ( const void *  element ) const

protectedpure virtual

Returns

the passed element's name

Implemented in curfil::TreeCache, and curfil::ImageCache.

size_t curfil::DeviceCache::getElementPos

(

const void *

element

)

const

Returns

the position in cache of the given element

Exceptions

runtime_exception

if the given element is not in cache

virtual std::string curfil::DeviceCache::getElementsName ( ) const

protectedpure virtual

Returns

all elements names

Implemented in curfil::TreeCache, and curfil::ImageCache.

std::map<const void*, size_t>& curfil::DeviceCache::getIdMap ( )

inline

Returns

a mapping of the in-cache elements to their according positions

Definition at line 137 of file random_tree_image_gpu.h.

size_t curfil::DeviceCache::getTotalTransferTimeMircoseconds ( ) const

inline

Returns

the total elapsed time in microseconds that was spent to transfer data to the cache

Definition at line 160 of file random_tree_image_gpu.h.

bool curfil::DeviceCache::isBound ( ) const

inlineprotected

Returns

whether texture is bound

Definition at line 177 of file random_tree_image_gpu.h.

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The documentation for this class was generated from the following file:

• src/curfil/random_tree_image_gpu.h