mxnet::common Namespace Reference

Namespaces
	cuda
	common utils for cuda
	helper
	Helper functions.

Classes
class	LazyAllocArray
class	ObjectPool
	Object pool for fast allocation and deallocation. More...
struct	ObjectPoolAllocatable
	Helper trait class for easy allocation and deallocation. More...

Typedefs
typedef std::mt19937	RANDOM_ENGINE
	Random Engine. More...

Functions
bool	SetupDefaultBlobs (const std::vector< NDArray > &src, std::vector< TBlob > *blobs, std::vector< NDArray > *temp_src, std::vector< NDArray > *temp_dst, std::unordered_map< uint32_t, uint32_t > *idx_map=nullptr)
void	SetupDefaultBlobsInOut (const std::vector< NDArray > &ndinputs, const std::vector< NDArray > &ndoutputs, std::vector< TBlob > *input_blobs, std::vector< TBlob > *output_blobs, std::vector< NDArray > *pre_temp_src, std::vector< NDArray > *pre_temp_dst, std::vector< NDArray > *post_temp_src, std::vector< NDArray > *post_temp_dst, std::unordered_map< uint32_t, uint32_t > *in_temp_idx_map, const std::vector< uint32_t > &mutate_idx)
void	CastNonDefaultStorage (const std::vector< NDArray > &src, const std::vector< NDArray > &dst, const OpContext &ctx, const bool is_gpu)
template<typename xpu >
void	CastStorageDispatch (const OpContext &ctx, const NDArray &input, const NDArray &output)
bool	ContainsOnlyStorage (const StorageTypeVector &vstorage, const NDArrayStorageType stype)
	returns true if all storage types in vstorage are the same as target stype. false is returned for empty inputs. More...
bool	ContainsOnlyStorage (const StorageTypeVector &vstorage, const NDArrayStorageType stype1, const NDArrayStorageType stype2, bool *has_both)
	returns true if all storage types in vstorage are the same as target stype1 or `stype2'. Sets boolean if both found. false is returned for empty inputs. More...
bool	ContainsOnlyStorage (const std::vector< NDArray > &ndarrays, const NDArrayStorageType stype)
	returns true if the storage types of arrays in ndarrays are the same as target stype. false is returned for empty inputs. More...
bool	ContainsOnlyStorage (const std::vector< NDArray > &ndarrays, const NDArrayStorageType stype1, const NDArrayStorageType stype2, bool *has_both)
	returns true if the storage types of arrays in ndarrays are the same as targets stype1 or stype2. false is returned for empty inputs. More...
std::string	dispatch_mode_string (const DispatchMode x)
	get string representation of dispatch_mode More...
std::string	stype_string (const int x)
	get string representation of storage_type More...
int	GetNumThreadPerGPU ()
int	GetExecNumMatchColor ()
template<typename T , typename V >
V	ParallelAccumulate (const T *a, const int n, V start)
template<typename RandomIt , typename Compare >
void	ParallelSortHelper (RandomIt first, size_t len, size_t grainsize, const Compare &comp)
	Helper function for ParallelSort. DO NOT call this function directly. Use the interface ParallelSort instead. Ref: https://github.com/dmlc/difacto/blob/master/src/common/parallel_sort.h. More...
template<typename RandomIt , typename Compare >
void	ParallelSort (RandomIt first, RandomIt last, size_t num_threads, Compare comp)
	Sort the elements in the range [first, last) into the ascending order defined by the comparator comp. If the length of the range [first, last) is greater than a certain threshold, the range will be recursively divided into two and assign two threads to sort each half range. Ref: https://github.com/dmlc/difacto/blob/master/src/common/parallel_sort.h. More...
template<typename RandomIt >
void	ParallelSort (RandomIt first, RandomIt last, size_t num_threads)
	Sort the elements in the range [first, last) into ascending order. The elements are compared using the default < operator. If the length of the range [first, last) is greater than a certain threshold, the range will be recursively divided into two and assign two threads to sort each half range. Ref: https://github.com/dmlc/difacto/blob/master/src/common/parallel_sort.h. More...
template<class T , class... Args>
helper::UniqueIf< T >::SingleObject	MakeUnique (Args &&...args)
	Constructs an object of type T and wraps it in a std::unique_ptr. More...
template<class T >
helper::UniqueIf< T >::UnknownBound	MakeUnique (size_t n)
	Constructs an object of type T and wraps it in a std::unique_ptr. More...
template<class T , class... Args>
helper::UniqueIf< T >::KnownBound	MakeUnique (Args &&...args)=delete
	Constructs an object of type T and wraps it in a std::unique_ptr. More...
template<typename FCompType >
FCompType	GetFCompute (const nnvm::Op *op, const std::string &name, const Context &ctx)

Typedef Documentation

typedef std::mt19937 mxnet::common::RANDOM_ENGINE

Random Engine.

Function Documentation

void mxnet::common::CastNonDefaultStorage ( const std::vector< NDArray > &  src, const std::vector< NDArray > &  dst, const OpContext &  ctx, const bool  is_gpu  )

inline

template<typename xpu >

void mxnet::common::CastStorageDispatch	(	const OpContext &	ctx,
		const NDArray &	input,
		const NDArray &	output
	)

bool mxnet::common::ContainsOnlyStorage ( const StorageTypeVector &  vstorage, const NDArrayStorageType  stype  )

inline

returns true if all storage types in vstorage are the same as target stype. false is returned for empty inputs.

bool mxnet::common::ContainsOnlyStorage ( const StorageTypeVector &  vstorage, const NDArrayStorageType  stype1, const NDArrayStorageType  stype2, bool *  has_both  )

inline

returns true if all storage types in vstorage are the same as target stype1 or `stype2'. Sets boolean if both found. false is returned for empty inputs.

bool mxnet::common::ContainsOnlyStorage ( const std::vector< NDArray > &  ndarrays, const NDArrayStorageType  stype  )

inline

returns true if the storage types of arrays in ndarrays are the same as target stype. false is returned for empty inputs.

bool mxnet::common::ContainsOnlyStorage ( const std::vector< NDArray > &  ndarrays, const NDArrayStorageType  stype1, const NDArrayStorageType  stype2, bool *  has_both  )

inline

returns true if the storage types of arrays in ndarrays are the same as targets stype1 or stype2. false is returned for empty inputs.

std::string mxnet::common::dispatch_mode_string ( const DispatchMode  x )

inline

get string representation of dispatch_mode

int mxnet::common::GetExecNumMatchColor ( )

inline

template<typename FCompType >

FCompType mxnet::common::GetFCompute	(	const nnvm::Op *	op,
		const std::string &	name,
		const Context &	ctx
	)

int mxnet::common::GetNumThreadPerGPU ( )

inline

template<class T , class... Args>

helper::UniqueIf<T>::SingleObject mxnet::common::MakeUnique ( Args &&...  args )

delete

Constructs an object of type T and wraps it in a std::unique_ptr.

Parameters

args	List of arguments with which an instance of T will be constructed.

Returns

std::unique_ptr of an instance of type T.

Constructs a non-array type T. The arguments args are passed to the constructor of T. The function does not participate in the overload resolution if T is an array type.

template<class T >

helper::UniqueIf<T>::UnknownBound mxnet::common::MakeUnique

(

size_t

n

)

Constructs an object of type T and wraps it in a std::unique_ptr.

Parameters

n	The size of the array to construct.

Returns

std::unique_ptr of an instance of type T.

Constructs an array of unknown bound T. The function does not participate in the overload resolution unless T is an array of unknown bound.

template<class T , class... Args>

helper::UniqueIf<T>::KnownBound mxnet::common::MakeUnique ( Args &&...  args )

delete

Constructs an object of type T and wraps it in a std::unique_ptr.

Parameters

args	List of arguments with which an instance of T will be constructed.

Constructs an arrays of known bound is disallowed.

Parameters

args	List of arguments with which an instance of T will be constructed.

Returns

std::unique_ptr of an instance of type T.

Constructs a non-array type T. The arguments args are passed to the constructor of T. The function does not participate in the overload resolution if T is an array type.

template<typename T , typename V >

V mxnet::common::ParallelAccumulate	(	const T *	a,
		const int	n,
		V	start
	)

template<typename RandomIt , typename Compare >

void mxnet::common::ParallelSort	(	RandomIt	first,
		RandomIt	last,
		size_t	num_threads,
		Compare	comp
	)

Sort the elements in the range [first, last) into the ascending order defined by the comparator comp. If the length of the range [first, last) is greater than a certain threshold, the range will be recursively divided into two and assign two threads to sort each half range. Ref: https://github.com/dmlc/difacto/blob/master/src/common/parallel_sort.h.

template<typename RandomIt >

void mxnet::common::ParallelSort	(	RandomIt	first,
		RandomIt	last,
		size_t	num_threads
	)

Sort the elements in the range [first, last) into ascending order. The elements are compared using the default < operator. If the length of the range [first, last) is greater than a certain threshold, the range will be recursively divided into two and assign two threads to sort each half range. Ref: https://github.com/dmlc/difacto/blob/master/src/common/parallel_sort.h.

template<typename RandomIt , typename Compare >

void mxnet::common::ParallelSortHelper	(	RandomIt	first,
		size_t	len,
		size_t	grainsize,
		const Compare &	comp
	)

Helper function for ParallelSort. DO NOT call this function directly. Use the interface ParallelSort instead. Ref: https://github.com/dmlc/difacto/blob/master/src/common/parallel_sort.h.

bool mxnet::common::SetupDefaultBlobs ( const std::vector< NDArray > &  src, std::vector< TBlob > *  blobs, std::vector< NDArray > *  temp_src, std::vector< NDArray > *  temp_dst, std::unordered_map< uint32_t, uint32_t > *  idx_map = nullptr  )

inline

void mxnet::common::SetupDefaultBlobsInOut ( const std::vector< NDArray > &  ndinputs, const std::vector< NDArray > &  ndoutputs, std::vector< TBlob > *  input_blobs, std::vector< TBlob > *  output_blobs, std::vector< NDArray > *  pre_temp_src, std::vector< NDArray > *  pre_temp_dst, std::vector< NDArray > *  post_temp_src, std::vector< NDArray > *  post_temp_dst, std::unordered_map< uint32_t, uint32_t > *  in_temp_idx_map, const std::vector< uint32_t > &  mutate_idx  )

inline

std::string mxnet::common::stype_string ( const int  x )

inline

get string representation of storage_type