mshadow::packet Namespace Reference

namespace of packet math More...

Classes
struct	AlignBytes
struct	Packet
	Generic packet type. More...
struct	Packet< double, kSSE2 >
	vector real type for float More...
struct	Packet< DType, kPlain >
struct	Packet< float, kSSE2 >
struct	PacketOp
	generic Packet operator More...
struct	PacketOp< op::div, DType, Arch >
struct	PacketOp< op::identity, DType, Arch >
struct	PacketOp< op::minus, DType, Arch >
struct	PacketOp< op::mul, DType, Arch >
struct	PacketOp< op::plus, DType, Arch >
struct	Saver
struct	Saver< sv::saveto, TFloat, Arch >

Enumerations
enum	PacketArch { kPlain, kSSE2 }

Functions
template<typename DType >
MSHADOW_CINLINE Packet< DType, kPlain >	operator+ (const Packet< DType, kPlain > &lhs, const Packet< DType, kPlain > &rhs)
template<typename DType >
MSHADOW_CINLINE Packet< DType, kPlain >	operator- (const Packet< DType, kPlain > &lhs, const Packet< DType, kPlain > &rhs)
template<typename DType >
MSHADOW_CINLINE Packet< DType, kPlain >	operator* (const Packet< DType, kPlain > &lhs, const Packet< DType, kPlain > &rhs)
template<typename DType >
MSHADOW_CINLINE Packet< DType, kPlain >	operator/ (const Packet< DType, kPlain > &lhs, const Packet< DType, kPlain > &rhs)
MSHADOW_CINLINE Packet< float, kSSE2 >	operator+ (const Packet< float, kSSE2 > &lhs, const Packet< float, kSSE2 > &rhs)
MSHADOW_CINLINE Packet< double, kSSE2 >	operator+ (const Packet< double, kSSE2 > &lhs, const Packet< double, kSSE2 > &rhs)
MSHADOW_CINLINE Packet< float, kSSE2 >	operator- (const Packet< float, kSSE2 > &lhs, const Packet< float, kSSE2 > &rhs)
MSHADOW_CINLINE Packet< double, kSSE2 >	operator- (const Packet< double, kSSE2 > &lhs, const Packet< double, kSSE2 > &rhs)
MSHADOW_CINLINE Packet< float, kSSE2 >	operator* (const Packet< float, kSSE2 > &lhs, const Packet< float, kSSE2 > &rhs)
MSHADOW_CINLINE Packet< double, kSSE2 >	operator* (const Packet< double, kSSE2 > &lhs, const Packet< double, kSSE2 > &rhs)
MSHADOW_CINLINE Packet< float, kSSE2 >	operator/ (const Packet< float, kSSE2 > &lhs, const Packet< float, kSSE2 > &rhs)
MSHADOW_CINLINE Packet< double, kSSE2 >	operator/ (const Packet< double, kSSE2 > &lhs, const Packet< double, kSSE2 > &rhs)
void *	AlignedMallocPitch (size_t *out_pitch, size_t lspace, size_t num_line)
	analog to cudaMallocPitch, allocate a aligned space with num_line * lspace cells More...
void	AlignedFree (void *ptr)
	free aligned space More...
template<PacketArch Arch>
bool	CheckAlign (size_t pitch)
	check if a pointer is aligned More...
template<PacketArch Arch>
bool	CheckAlign (void *ptr)
	check if a pointer is aligned More...
template<typename DType , PacketArch Arch>
index_t	UpperAlign (index_t size)
	get upper bound of aligned index of size More...
template<typename DType , PacketArch Arch>
index_t	LowerAlign (index_t size)
	get lower bound of aligned index of size More...

Detailed Description

namespace of packet math

Enumeration Type Documentation

enum mshadow::packet::PacketArch

Enumerator
kPlain
kSSE2

Function Documentation

void mshadow::packet::AlignedFree ( void *  ptr )

inline

free aligned space

Parameters

ptr	pointer to space to be freed

void* mshadow::packet::AlignedMallocPitch ( size_t *  out_pitch, size_t  lspace, size_t  num_line  )

inline

analog to cudaMallocPitch, allocate a aligned space with num_line * lspace cells

Parameters

out_pitch	output parameter, the actuall space allocated for each line
lspace	number of cells required for each line
num_line	number of lines to be allocated

template<PacketArch Arch>

bool mshadow::packet::CheckAlign ( size_t  pitch )

inline

check if a pointer is aligned

template<PacketArch Arch>

bool mshadow::packet::CheckAlign ( void *  ptr )

inline

check if a pointer is aligned

template<typename DType , PacketArch Arch>

index_t mshadow::packet::LowerAlign ( index_t  size )

inline

get lower bound of aligned index of size

Parameters

size	size of the array
fsize	size of float

template<typename DType >

MSHADOW_CINLINE Packet<DType, kPlain> mshadow::packet::operator*	(	const Packet< DType, kPlain > &	lhs,
		const Packet< DType, kPlain > &	rhs
	)

MSHADOW_CINLINE Packet<float, kSSE2> mshadow::packet::operator*	(	const Packet< float, kSSE2 > &	lhs,
		const Packet< float, kSSE2 > &	rhs
	)

MSHADOW_CINLINE Packet<double, kSSE2> mshadow::packet::operator*	(	const Packet< double, kSSE2 > &	lhs,
		const Packet< double, kSSE2 > &	rhs
	)

template<typename DType >

MSHADOW_CINLINE Packet<DType, kPlain> mshadow::packet::operator+	(	const Packet< DType, kPlain > &	lhs,
		const Packet< DType, kPlain > &	rhs
	)

MSHADOW_CINLINE Packet<float, kSSE2> mshadow::packet::operator+	(	const Packet< float, kSSE2 > &	lhs,
		const Packet< float, kSSE2 > &	rhs
	)

MSHADOW_CINLINE Packet<double, kSSE2> mshadow::packet::operator+	(	const Packet< double, kSSE2 > &	lhs,
		const Packet< double, kSSE2 > &	rhs
	)

template<typename DType >

MSHADOW_CINLINE Packet<DType, kPlain> mshadow::packet::operator-	(	const Packet< DType, kPlain > &	lhs,
		const Packet< DType, kPlain > &	rhs
	)

MSHADOW_CINLINE Packet<float, kSSE2> mshadow::packet::operator-	(	const Packet< float, kSSE2 > &	lhs,
		const Packet< float, kSSE2 > &	rhs
	)

MSHADOW_CINLINE Packet<double, kSSE2> mshadow::packet::operator-	(	const Packet< double, kSSE2 > &	lhs,
		const Packet< double, kSSE2 > &	rhs
	)

template<typename DType >

MSHADOW_CINLINE Packet<DType, kPlain> mshadow::packet::operator/	(	const Packet< DType, kPlain > &	lhs,
		const Packet< DType, kPlain > &	rhs
	)

MSHADOW_CINLINE Packet<float, kSSE2> mshadow::packet::operator/	(	const Packet< float, kSSE2 > &	lhs,
		const Packet< float, kSSE2 > &	rhs
	)

MSHADOW_CINLINE Packet<double, kSSE2> mshadow::packet::operator/	(	const Packet< double, kSSE2 > &	lhs,
		const Packet< double, kSSE2 > &	rhs
	)

template<typename DType , PacketArch Arch>

index_t mshadow::packet::UpperAlign ( index_t  size )

inline

get upper bound of aligned index of size

Parameters

size	size of the array
fsize	size of float