shared_data< T > Class Template Reference

Shared data for BetaHilbert threads. More...

#include <BetaHilbert.hpp>

Public Member Functions
	shared_data ()
	Base constructor. More...
	shared_data (size_t _id, size_t _P, std::vector< Triplet< double > > *_original, size_t *_nzb, size_t **_nzc, pthread_mutex_t *_mutex, pthread_cond_t *_cond, pthread_mutex_t *_end_mutex, pthread_cond_t *_end_cond, size_t *_sync, size_t *_end_sync, size_t _m, const T **_in, T **_out)
	Default constructor. More...

Public Attributes
size_t	id
	Thread ID.
size_t	P
	Total number of processors.
unsigned char	mode
	0 undef, 1 init, 2 zax, 3 zxa, 4 exit, 5 reset
size_t	repeat
	how many times to repeat the operation set in `mode' (above, only for 2 and 3)
std::vector< Triplet< T > > *	original
	Array of local sparse blocks. More...
size_t *	nzb
	Will cache block numbers of nonzeroes.
size_t **	nzc
	Will contain the nonzero counts of separate blocks.
double	time
	Will store local timing.
size_t	bytes
	Local memory use.
pthread_mutex_t *	mutex
	Mutex used for synchronisation. More...
pthread_cond_t *	cond
	Condition used for synchronisation. More...
pthread_mutex_t *	end_mutex
	Mutex used for end sync. More...
pthread_cond_t *	end_cond
	Condition used for end sync. More...
size_t *	sync
	Counter used for synchronisation. More...
size_t *	end_sync
	Counter used for end sync. More...
size_t	output_vector_size
	Length of the local output vector. More...
size_t	output_vector_offset
	Offset of the local output vector compared to global indices. More...
T *	local_y
	Pointer to the local output vector. More...
const T **	input
	Array of all local input vectors of all SPMD processes. More...
T **	output
	Array of all output vectors local to all SPMD processes. More...

Detailed Description

template<typename T>
class shared_data< T >

Shared data for BetaHilbert threads.

Constructor & Destructor Documentation

template<typename T>

shared_data< T >::shared_data ( )

inline

Base constructor.

Initialises with invalid default arguments.

template<typename T>

shared_data< T >::shared_data ( size_t  _id, size_t  _P, std::vector< Triplet< double > > *  _original, size_t *  _nzb, size_t **  _nzc, pthread_mutex_t *  _mutex, pthread_cond_t *  _cond, pthread_mutex_t *  _end_mutex, pthread_cond_t *  _end_cond, size_t *  _sync, size_t *  _end_sync, size_t  _m, const T **  _in, T **  _out  )

inline

Default constructor.

Parameters

_id	Thread ID.
_P	Number of SPMD processes.
_original	Original set of nonzeroes.
_nzb	Number of sparse blocks.
_nzc	Number of nonzeroes in each sparse block,
_mutex	Sync mutex.
_cond	Sync condition.
_end_mutex	End sync mutex.
_end_cond	End sync condition.
_sync	Sync counter.
_end_sync	End sync counter.
_m	Number of matrix rows.
_in	Input vectors of all SPMD processes.
_out	Output vectors of all SPMD processes.

Member Data Documentation

template<typename T>

pthread_cond_t* shared_data< T >::cond

Condition used for synchronisation.

Referenced by BetaHilbert< T >::collectY(), and BetaHilbert< T >::thread().

template<typename T>

pthread_cond_t* shared_data< T >::end_cond

Condition used for end sync.

Referenced by BetaHilbert< T >::thread().

template<typename T>

pthread_mutex_t* shared_data< T >::end_mutex

Mutex used for end sync.

Referenced by BetaHilbert< T >::thread().

template<typename T>

size_t* shared_data< T >::end_sync

Counter used for end sync.

Referenced by BetaHilbert< T >::thread().

template<typename T>

const T** shared_data< T >::input

Array of all local input vectors of all SPMD processes.

Referenced by BetaHilbert< T >::thread().

template<typename T>

T* shared_data< T >::local_y

Pointer to the local output vector.

Referenced by BetaHilbert< T >::collectY(), and BetaHilbert< T >::thread().

template<typename T>

pthread_mutex_t* shared_data< T >::mutex

Mutex used for synchronisation.

Referenced by BetaHilbert< T >::collectY(), and BetaHilbert< T >::thread().

template<typename T>

std::vector< Triplet< T > >* shared_data< T >::original

Array of local sparse blocks.

Referenced by BetaHilbert< T >::thread().

template<typename T>

T** shared_data< T >::output

Array of all output vectors local to all SPMD processes.

Referenced by BetaHilbert< T >::collectY(), and BetaHilbert< T >::thread().

template<typename T>

size_t shared_data< T >::output_vector_offset

Offset of the local output vector compared to global indices.

template<typename T>

size_t shared_data< T >::output_vector_size

Length of the local output vector.

Referenced by BetaHilbert< T >::collectY(), and BetaHilbert< T >::thread().

template<typename T>

size_t* shared_data< T >::sync

Counter used for synchronisation.

Referenced by BetaHilbert< T >::collectY(), and BetaHilbert< T >::thread().

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

• BetaHilbert.hpp