pargemslr::PargemslrGlobalClass Class Reference

The data structure for parallel computing, including data structures for MPI and CUDA. More...

#include <utils.hpp>

Static Public Attributes
static double	_expand_fact
	Expand factor, used when expand vectors with PushBack. More...
static int	_coo_reserve_fact
	Reserved size of COO matrix, default is nrow * _coo_reserve_fact. More...
static int	_openmp_min_loopsize
	Disable OpenMP in some cases when a loop size is too small. More...
static int	_metis_refine
	Numter of Metis refine (for ParMetis). More...
static double	_metis_loading_balance_tol
	The tolorance for loading balance when apply the parallel kway partition. More...
static int	_minsep
	Min size of the edge separator. More...
static double	_tr_factor
	Thick-restart factor for thick-restart Arnoldi. More...
static double	_orth_tol
	The tolorance for orthogonalization for Arnoldi. More...
static double	_reorth_tol
	The tolorance for re-orthogonalization for Arnoldi. More...
static int	_dash_line_width
	Default width of the dashline in the output. More...
static std::random_device	_random_device
	Used to obtain a seed for the random number engine. More...
static std::mt19937	_mersenne_twister_engine
	Mersenne_twister_engine. More...
static std::uniform_int_distribution< int >	_uniform_int_distribution
	Uniform_int_distribution. More...
static FILE *	_out_file
	The output file, default is stdout. More...
static double *	_params
	The global parameters' array. More...
static int	_gram_schmidt
	Gram schmidt option for the eigenvalue solver. More...

Detailed Description

The data structure for parallel computing, including data structures for MPI and CUDA.
All CUDA information are shared, local MPI information can be different.

Member Data Documentation

_coo_reserve_fact

int pargemslr::PargemslrGlobalClass::_coo_reserve_fact

static

Reserved size of COO matrix, default is nrow * _coo_reserve_fact.

_dash_line_width

int pargemslr::PargemslrGlobalClass::_dash_line_width

static

Default width of the dashline in the output.

_expand_fact

double pargemslr::PargemslrGlobalClass::_expand_fact

static

Expand factor, used when expand vectors with PushBack.

_gram_schmidt

int pargemslr::PargemslrGlobalClass::_gram_schmidt

static

Gram schmidt option for the eigenvalue solver.
0: CGS-2. 1: MGS.

_mersenne_twister_engine

std::mt19937 pargemslr::PargemslrGlobalClass::_mersenne_twister_engine

static

Mersenne_twister_engine.

_metis_loading_balance_tol

double pargemslr::PargemslrGlobalClass::_metis_loading_balance_tol

static

The tolorance for loading balance when apply the parallel kway partition.

_metis_refine

int pargemslr::PargemslrGlobalClass::_metis_refine

static

Numter of Metis refine (for ParMetis).

_minsep

int pargemslr::PargemslrGlobalClass::_minsep

static

Min size of the edge separator.

_openmp_min_loopsize

int pargemslr::PargemslrGlobalClass::_openmp_min_loopsize

static

Disable OpenMP in some cases when a loop size is too small.

_orth_tol

double pargemslr::PargemslrGlobalClass::_orth_tol

static

The tolorance for orthogonalization for Arnoldi.

_out_file

FILE* pargemslr::PargemslrGlobalClass::_out_file

static

The output file, default is stdout.

_params

double* pargemslr::PargemslrGlobalClass::_params

static

The global parameters' array.

_random_device

std::random_device pargemslr::PargemslrGlobalClass::_random_device

static

Used to obtain a seed for the random number engine.

_reorth_tol

double pargemslr::PargemslrGlobalClass::_reorth_tol

static

The tolorance for re-orthogonalization for Arnoldi.

_tr_factor

double pargemslr::PargemslrGlobalClass::_tr_factor

static

Thick-restart factor for thick-restart Arnoldi.

_uniform_int_distribution

std::uniform_int_distribution<int> pargemslr::PargemslrGlobalClass::_uniform_int_distribution

static

Uniform_int_distribution.

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

• SRC/utils/utils.hpp