elpa_impl::elpa_impl_t Type Reference

Definition of the extended elpa_impl_t type. More...

Inheritance diagram for elpa_impl::elpa_impl_t:

Public Member Functions
procedure, public	setup (self)
	methods available with the elpa_impl_t type
procedure, public	destroy (self, error)
	a destroy method: implemented in elpa_destroy
procedure, public	setup_gpu (self)
	setup the GPU usage
procedure, public	is_set (self, name)
	a method to check whether a key/value pair has been set : implemented in elpa_is_set
procedure, public	can_set (self, name, value)
	a method to check whether a key/value pair can be set : implemented in elpa_can_set
procedure, public	creating_from_legacy_api (self)
procedure, public	get_time (self, name1, name2, name3, name4, name5, name6)
	function to querry the timing information at a certain level Parameters
procedure, public	print_times (self, name1, name2, name3, name4)
	function to print the timing tree below at a certain level Parameters
procedure, public	timer_start (self, name)
	function to start the timing of a code region Parameters
procedure, public	timer_stop (self, name)
	function to stop the timing of a code region Parameters
procedure, public	elpa_eigenvectors_a_h_a_d elpa_eigenvectors_a_h_a_d
	the implemenation methods
procedure, public	elpa_eigenvectors_a_h_a_f elpa_eigenvectors_a_h_a_f
procedure, public	elpa_eigenvectors_a_h_a_dc elpa_eigenvectors_a_h_a_dc
procedure, public	elpa_eigenvectors_a_h_a_fc elpa_eigenvectors_a_h_a_fc
procedure, public	elpa_eigenvectors_d_ptr_d elpa_eigenvectors_d_ptr_d
procedure, public	elpa_eigenvectors_d_ptr_f elpa_eigenvectors_d_ptr_f
procedure, public	elpa_eigenvectors_d_ptr_dc elpa_eigenvectors_d_ptr_dc
procedure, public	elpa_eigenvectors_d_ptr_fc elpa_eigenvectors_d_ptr_fc
procedure, public	elpa_eigenvalues_a_h_a_d elpa_eigenvalues_a_h_a_d
	public methods to implement the solve step for real/complex double/single matrices; only the eigenvalues are computed
procedure, public	elpa_eigenvalues_a_h_a_f elpa_eigenvalues_a_h_a_f
procedure, public	elpa_eigenvalues_a_h_a_dc elpa_eigenvalues_a_h_a_dc
procedure, public	elpa_eigenvalues_a_h_a_fc elpa_eigenvalues_a_h_a_fc
procedure, public	elpa_eigenvalues_d_ptr_d elpa_eigenvalues_d_ptr_d
procedure, public	elpa_eigenvalues_d_ptr_f elpa_eigenvalues_d_ptr_f
procedure, public	elpa_eigenvalues_d_ptr_dc elpa_eigenvalues_d_ptr_dc
procedure, public	elpa_eigenvalues_d_ptr_fc elpa_eigenvalues_d_ptr_fc
procedure, public	elpa_skew_eigenvectors_a_h_a_d elpa_skew_eigenvectors_a_h_a_d
	public methods to implement the solve step for real skew-symmetric double/single matrices
procedure, public	elpa_skew_eigenvectors_a_h_a_f elpa_skew_eigenvectors_a_h_a_f
procedure, public	elpa_skew_eigenvalues_a_h_a_d elpa_skew_eigenvalues_a_h_a_d
	public methods to implement the solve step for real skew-symmetric double/single matrices; only the eigenvalues are computed
procedure, public	elpa_skew_eigenvalues_a_h_a_f elpa_skew_eigenvalues_a_h_a_f
procedure, public	elpa_skew_eigenvectors_d_ptr_d elpa_skew_eigenvectors_d_ptr_d
procedure, public	elpa_skew_eigenvectors_d_ptr_f elpa_skew_eigenvectors_d_ptr_f
procedure, public	elpa_skew_eigenvalues_d_ptr_d elpa_skew_eigenvalues_d_ptr_d
procedure, public	elpa_skew_eigenvalues_d_ptr_f elpa_skew_eigenvalues_d_ptr_f
procedure, public	elpa_generalized_eigenvectors_d elpa_generalized_eigenvectors_d
	public methods to implement the solve step for generalized eigenproblem and real/complex double/single matrices
procedure, public	elpa_generalized_eigenvectors_f elpa_generalized_eigenvectors_f
procedure, public	elpa_generalized_eigenvectors_dc elpa_generalized_eigenvectors_dc
procedure, public	elpa_generalized_eigenvectors_fc elpa_generalized_eigenvectors_fc
procedure, public	elpa_generalized_eigenvalues_d elpa_generalized_eigenvalues_d
	public methods to implement the solve step for generalized eigenproblem and real/complex double/single matrices
procedure, public	elpa_generalized_eigenvalues_f elpa_generalized_eigenvalues_f
procedure, public	elpa_generalized_eigenvalues_dc elpa_generalized_eigenvalues_dc
procedure, public	elpa_generalized_eigenvalues_fc elpa_generalized_eigenvalues_fc
procedure, public	elpa_hermitian_multiply_a_h_a_d elpa_hermitian_multiply_a_h_a_d
	public methods to implement a "hermitian" multiplication of matrices a and b
procedure, public	elpa_hermitian_multiply_a_h_a_f elpa_hermitian_multiply_a_h_a_f
	for real valued matrices: a**T * b
procedure, public	elpa_hermitian_multiply_a_h_a_dc elpa_hermitian_multiply_a_h_a_dc
	for complex valued matrices: a**H * b
procedure, public	elpa_hermitian_multiply_a_h_a_fc elpa_hermitian_multiply_a_h_a_fc
procedure, public	elpa_hermitian_multiply_d_ptr_d elpa_hermitian_multiply_d_ptr_d
	public methods to implement a "hermitian" multiplication of matrices a and b
procedure, public	elpa_hermitian_multiply_d_ptr_f elpa_hermitian_multiply_d_ptr_f
	for real valued matrices: a**T * b
procedure, public	elpa_hermitian_multiply_d_ptr_dc elpa_hermitian_multiply_d_ptr_dc
	for complex valued matrices: a**H * b
procedure, public	elpa_hermitian_multiply_d_ptr_fc elpa_hermitian_multiply_d_ptr_fc
procedure, public	elpa_cholesky_a_h_a_d elpa_cholesky_a_h_a_d
	public methods to implement the cholesky factorisation of real/complex double/single matrices
procedure, public	elpa_cholesky_a_h_a_f elpa_cholesky_a_h_a_f
procedure, public	elpa_cholesky_a_h_a_dc elpa_cholesky_a_h_a_dc
procedure, public	elpa_cholesky_a_h_a_fc elpa_cholesky_a_h_a_fc
procedure, public	elpa_cholesky_d_ptr_d elpa_cholesky_d_ptr_d
	public methods to implement the cholesky factorisation of real/complex double/single matrices
procedure, public	elpa_cholesky_d_ptr_f elpa_cholesky_d_ptr_f
procedure, public	elpa_cholesky_d_ptr_dc elpa_cholesky_d_ptr_dc
procedure, public	elpa_cholesky_d_ptr_fc elpa_cholesky_d_ptr_fc
procedure, public	elpa_invert_trm_a_h_a_d elpa_invert_trm_a_h_a_d
	public methods to implement the inversion of a triangular real/complex double/single matrix
procedure, public	elpa_invert_trm_a_h_a_f elpa_invert_trm_a_h_a_f
procedure, public	elpa_invert_trm_a_h_a_dc elpa_invert_trm_a_h_a_dc
procedure, public	elpa_invert_trm_a_h_a_fc elpa_invert_trm_a_h_a_fc
procedure, public	elpa_invert_trm_d_ptr_d elpa_invert_trm_d_ptr_d
	public methods to implement the inversion of a triangular real/complex double/single matrix
procedure, public	elpa_invert_trm_d_ptr_f elpa_invert_trm_d_ptr_f
procedure, public	elpa_invert_trm_d_ptr_dc elpa_invert_trm_d_ptr_dc
procedure, public	elpa_invert_trm_d_ptr_fc elpa_invert_trm_d_ptr_fc
procedure, public	elpa_solve_tridiagonal_d elpa_solve_tridiagonal_d
	public methods to implement the solve step for a real valued
procedure, public	elpa_solve_tridiagonal_f elpa_solve_tridiagonal_f
	double/single tridiagonal matrix
procedure, public	associate_int (self, name)
	public method to set some pointers
procedure, public	print_settings (self, error)
	function to print all the parameters, that have been set Parameters
procedure, public	store_settings (self, file_name, error)
	function to save all the parameters, that have been set Parameters
procedure, public	load_settings (self, file_name, error)
	function to load all the parameters, which have been saved to a file Parameters
procedure, public	autotune_setup (self, level, domain, error)
	function to setup the ELPA autotuning and create the autotune object Parameters
procedure, public	autotune_set_api_version (self, api_version, error)
	procedure to set the api version used for ELPA autotuning Parameters
procedure, public	autotune_step (self, tune_state, error)
	function to do the work an autotunig step Parameters
procedure, public	autotune_step_worker (self, tune_state, solver, error)
	function to do the work of an autotunig step Parameters
procedure, public	autotune_set_best (self, tune_state, error)
	function to set the up-to-now best options of the autotuning Parameters
procedure, public	autotune_print_best (self, tune_state, error)
	function to print the up-to-now best options of the autotuning Parameters
procedure, public	autotune_print_state (self, tune_state, error)
	function to print the state of the autotuning Parameters
procedure, public	autotune_save_state (self, tune_state, file_name, error)
	function to save the state of the autotuning Parameters
procedure, public	autotune_load_state (self, tune_state, file_name, error)
	function to load the state of the autotuning Parameters
Public Member Functions inherited from elpa_abstract_impl::elpa_abstract_impl_t
procedure, public	elpa_set_integer (self, name, value, error)
	private methods to implement the setting of an integer/float/double key/value pair
procedure, public	elpa_set_float (self, name, value, error)
	internal subroutine to set a float key/value pair Parameters
procedure, public	elpa_set_double (self, name, value, error)
	internal subroutine to set a double key/value pair Parameters
procedure, public	elpa_get_integer (self, name, value, error)
	private methods to implement the querry of an integer/float/double key/value pair
procedure, public	elpa_get_float (self, name, value, error)
	internal subroutine to get an float key/value pair Parameters
procedure, public	elpa_get_double (self, name, value, error)
	internal subroutine to get an double key/value pair Parameters
Public Member Functions inherited from elpa_api::elpa_t
procedure(elpa_setup_i), deferred, public	setup (self)
	method to setup an ELPA object
procedure(elpa_destroy_i), deferred, public	destroy (self, error)
	method to destroy an ELPA object
procedure(elpa_setup_gpu_i), deferred, public	setup_gpu (self)
	method to setup the GPU usage
generic, public	set elpa_set_integer
generic, public	set elpa_set_float
generic, public	set elpa_set_double
generic, public	get elpa_get_integer
generic, public	get elpa_get_float
generic, public	get elpa_get_double
procedure(elpa_is_set_i), deferred, public	is_set (self, name)
	method to check whether key/value is set
procedure(elpa_can_set_i), deferred, public	can_set (self, name, value)
	method to check whether key/value can be set
procedure(elpa_creating_from_legacy_api_i), deferred, public	creating_from_legacy_api (self)
procedure(elpa_get_time_i), deferred, public	get_time (self, name1, name2, name3, name4, name5, name6)
	method to get the times from the timer object
procedure(elpa_print_times_i), deferred, public	print_times (self, name1, name2, name3, name4)
	method to print the timings tree
procedure(elpa_timer_start_i), deferred, public	timer_start (self, name)
	method to start a time measurement
procedure(elpa_timer_stop_i), deferred, public	timer_stop (self, name)
	method to stop a time measurement
generic, public	eigenvectors elpa_eigenvectors_a_h_a_d
generic, public	eigenvectors elpa_eigenvectors_a_h_a_f
generic, public	eigenvectors elpa_eigenvectors_a_h_a_dc
generic, public	eigenvectors elpa_eigenvectors_a_h_a_fc
generic, public	eigenvectors_double elpa_eigenvectors_a_h_a_d
generic, public	eigenvectors_double elpa_eigenvectors_d_ptr_d
	GPU device pointers in the GPU version
generic, public	eigenvectors_float elpa_eigenvectors_a_h_a_f
generic, public	eigenvectors_float elpa_eigenvectors_d_ptr_f
	GPU device pointers in the GPU version.
generic, public	eigenvectors_double_complex elpa_eigenvectors_a_h_a_dc
generic, public	eigenvectors_double_complex elpa_eigenvectors_d_ptr_dc
	GPU device pointers in the GPU version.
generic, public	eigenvectors_float_complex elpa_eigenvectors_a_h_a_fc
generic, public	eigenvectors_float_complex elpa_eigenvectors_d_ptr_fc
	GPU device pointers in the GPU version.
generic, public	eigenvalues elpa_eigenvalues_a_h_a_d
generic, public	eigenvalues elpa_eigenvalues_a_h_a_f
generic, public	eigenvalues elpa_eigenvalues_a_h_a_dc
generic, public	eigenvalues elpa_eigenvalues_a_h_a_fc
generic, public	eigenvalues_double elpa_eigenvalues_a_h_a_d
generic, public	eigenvalues_double elpa_eigenvalues_d_ptr_d
	GPU device pointers in the GPU version.
generic, public	eigenvalues_float elpa_eigenvalues_a_h_a_f
generic, public	eigenvalues_float elpa_eigenvalues_d_ptr_f
	GPU device pointers in the GPU version.
generic, public	eigenvalues_double_complex elpa_eigenvalues_a_h_a_dc
generic, public	eigenvalues_double_complex elpa_eigenvalues_d_ptr_dc
	GPU device pointers in the GPU version.
generic, public	eigenvalues_float_complex elpa_eigenvalues_a_h_a_fc
generic, public	eigenvalues_float_complex elpa_eigenvalues_d_ptr_fc
	GPU device pointers in the GPU version.
generic, public	skew_eigenvectors elpa_skew_eigenvectors_a_h_a_d
generic, public	skew_eigenvectors elpa_skew_eigenvectors_a_h_a_f
	for symmetric real valued skew-symmetric matrices
generic, public	skew_eigenvectors_double elpa_skew_eigenvectors_a_h_a_d
generic, public	skew_eigenvectors_double elpa_skew_eigenvectors_d_ptr_d
	GPU device pointers in the GPU version.
generic, public	skew_eigenvectors_float elpa_skew_eigenvectors_a_h_a_f
generic, public	skew_eigenvectors_float elpa_skew_eigenvectors_d_ptr_f
	GPU device pointers in the GPU version.
generic, public	skew_eigenvalues elpa_skew_eigenvalues_a_h_a_d
generic, public	skew_eigenvalues elpa_skew_eigenvalues_a_h_a_f
	for symmetric real valued skew-symmetric matrices
generic, public	skew_eigenvalues_double elpa_skew_eigenvalues_a_h_a_d
generic, public	skew_eigenvalues_double elpa_skew_eigenvalues_d_ptr_d
	GPU device pointers in the GPU version.
generic, public	skew_eigenvalues_float elpa_skew_eigenvalues_a_h_a_f
generic, public	skew_eigenvalues_float elpa_skew_eigenvalues_d_ptr_f
	GPU device pointers in the GPU version.
	HAVE_SKEWSYMMETRIC have_skewsymmetric
generic, public	generalized_eigenvectors elpa_generalized_eigenvectors_d
generic, public	generalized_eigenvectors elpa_generalized_eigenvectors_f
generic, public	generalized_eigenvectors elpa_generalized_eigenvectors_dc
generic, public	generalized_eigenvectors elpa_generalized_eigenvectors_fc
generic, public	generalized_eigenvalues elpa_generalized_eigenvalues_d
generic, public	generalized_eigenvalues elpa_generalized_eigenvalues_f
generic, public	generalized_eigenvalues elpa_generalized_eigenvalues_dc
generic, public	generalized_eigenvalues elpa_generalized_eigenvalues_fc
generic, public	hermitian_multiply elpa_hermitian_multiply_a_h_a_d
generic, public	hermitian_multiply elpa_hermitian_multiply_a_h_a_dc
generic, public	hermitian_multiply elpa_hermitian_multiply_a_h_a_f
generic, public	hermitian_multiply elpa_hermitian_multiply_a_h_a_fc
generic, public	hermitian_multiply_double elpa_hermitian_multiply_a_h_a_d
generic, public	hermitian_multiply_double elpa_hermitian_multiply_d_ptr_d
generic, public	hermitian_multiply_float elpa_hermitian_multiply_a_h_a_f
generic, public	hermitian_multiply_float elpa_hermitian_multiply_d_ptr_f
generic, public	hermitian_multiply_double_complex elpa_hermitian_multiply_a_h_a_dc
generic, public	hermitian_multiply_double_complex elpa_hermitian_multiply_d_ptr_dc
generic, public	hermitian_multiply_float_complex elpa_hermitian_multiply_a_h_a_fc
generic, public	hermitian_multiply_float_complex elpa_hermitian_multiply_d_ptr_fc
generic, public	cholesky elpa_cholesky_a_h_a_d
generic, public	cholesky elpa_cholesky_a_h_a_f
generic, public	cholesky elpa_cholesky_a_h_a_dc
generic, public	cholesky elpa_cholesky_a_h_a_fc
generic, public	cholesky_double elpa_cholesky_a_h_a_d
generic, public	cholesky_double elpa_cholesky_d_ptr_d
generic, public	cholesky_float elpa_cholesky_a_h_a_f
generic, public	cholesky_float elpa_cholesky_d_ptr_f
generic, public	cholesky_double_complex elpa_cholesky_a_h_a_dc
generic, public	cholesky_double_complex elpa_cholesky_d_ptr_dc
generic, public	cholesky_float_complex elpa_cholesky_a_h_a_fc
generic, public	cholesky_float_complex elpa_cholesky_d_ptr_fc
generic, public	invert_triangular elpa_invert_trm_a_h_a_d
generic, public	invert_triangular elpa_invert_trm_a_h_a_f
generic, public	invert_triangular elpa_invert_trm_a_h_a_dc
generic, public	invert_triangular elpa_invert_trm_a_h_a_fc
generic, public	invert_triangular_double elpa_invert_trm_a_h_a_d
generic, public	invert_triangular_double elpa_invert_trm_d_ptr_d
	GPU device pointers in the GPU version
generic, public	invert_triangular_float elpa_invert_trm_a_h_a_f
generic, public	invert_triangular_float elpa_invert_trm_d_ptr_f
	GPU device pointers in the GPU version
generic, public	invert_triangular_double_complex elpa_invert_trm_a_h_a_dc
generic, public	invert_triangular_double_complex elpa_invert_trm_d_ptr_dc
	GPU device pointers in the GPU version
generic, public	invert_triangular_float_complex elpa_invert_trm_a_h_a_fc
generic, public	invert_triangular_float_complex elpa_invert_trm_d_ptr_fc
	GPU device pointers in the GPU version
generic, public	solve_tridiagonal elpa_solve_tridiagonal_d
generic, public	solve_tridiagonal elpa_solve_tridiagonal_f
procedure(print_settings_i), deferred, public	print_settings (self, error)
	method to print all parameters
procedure(store_settings_i), deferred, public	store_settings (self, file_name, error)
	method to save all parameters
procedure(load_settings_i), deferred, public	load_settings (self, file_name, error)
	method to save all parameters
procedure(elpa_autotune_set_api_version_i), deferred, public	autotune_set_api_version (self, api_version, error)
	method to prepare the ELPA autotuning
procedure(elpa_autotune_setup_i), deferred, public	autotune_setup (self, level, domain, error)
	method to prepare the ELPA autotuning
procedure(elpa_autotune_step_i), deferred, public	autotune_step (self, tune_state, error)
	method to do an autotuning step
procedure(elpa_autotune_set_best_i), deferred, public	autotune_set_best (self, tune_state, error)
	method to set the best options
procedure(elpa_autotune_print_best_i), deferred, public	autotune_print_best (self, tune_state, error)
	method to print the best options
procedure(elpa_autotune_print_state_i), deferred, public	autotune_print_state (self, tune_state, error)
	method to print the state
procedure(elpa_autotune_save_state_i), deferred, public	autotune_save_state (self, tune_state, file_name, error)
	method to save the state
procedure(elpa_autotune_load_state_i), deferred, public	autotune_load_state (self, tune_state, file_name, error)
	method to load the state
procedure(elpa_set_integer_i), deferred, public	elpa_set_integer (self, name, value, error)
	These method have to be public, in order to be overrideable in the extension types.
procedure(elpa_set_float_i), deferred, public	elpa_set_float (self, name, value, error)
procedure(elpa_set_double_i), deferred, public	elpa_set_double (self, name, value, error)
procedure(elpa_get_integer_i), deferred, public	elpa_get_integer (self, name, value, error)
procedure(elpa_get_float_i), deferred, public	elpa_get_float (self, name, value, error)
procedure(elpa_get_double_i), deferred, public	elpa_get_double (self, name, value, error)

Public Attributes
integer	from_legacy_api
Public Attributes inherited from elpa_abstract_impl::elpa_abstract_impl_t
type(timer_t)	timer
type(timer_t)	autotune_timer
type(c_ptr)	index = C_NULL_PTR
logical	eigenvalues_only
type(elpa_gpu_setup_t)	gpu_setup
type(elpa_mpi_setup_t)	mpi_setup
Public Attributes inherited from elpa_api::elpa_t
integer(kind=c_int), pointer, public	na => NULL()
integer(kind=c_int), pointer, public	nev => NULL()
integer(kind=c_int), pointer, public	local_nrows => NULL()
integer(kind=c_int), pointer, public	local_ncols => NULL()
integer(kind=c_int), pointer, public	nblk => NULL()
integer(kind=c_int), public	myglobalid

Private Member Functions
procedure, private	elpa_transform_generalized_d elpa_transform_generalized_d
procedure, private	elpa_transform_back_generalized_d elpa_transform_back_generalized_d
procedure, private	elpa_transform_generalized_dc elpa_transform_generalized_dc
procedure, private	elpa_transform_back_generalized_dc elpa_transform_back_generalized_dc
procedure, private	elpa_transform_generalized_f elpa_transform_generalized_f
procedure, private	elpa_transform_back_generalized_f elpa_transform_back_generalized_f
procedure, private	elpa_transform_generalized_fc elpa_transform_generalized_fc
procedure, private	elpa_transform_back_generalized_fc elpa_transform_back_generalized_fc
procedure, private	construct_scalapack_descriptor (self, sc_desc, rectangular_for_ev)

Private Attributes
integer	communicators_owned

Detailed Description

Definition of the extended elpa_impl_t type.

Member Function/Subroutine Documentation

associate_int()

procedure, public elpa_impl::elpa_impl_t::associate_int	(	class(elpa_impl_t)	self,
		character(*), intent(in)	name )

public method to set some pointers

Parameters

self	class(elpa_impl_t) the allocated ELPA object
name	string: the name of the entry

Returns

value integer, pointer: the value for the entry

autotune_load_state()

procedure, public elpa_impl::elpa_impl_t::autotune_load_state	(	class(elpa_impl_t), intent(inout)	self,
		class(elpa_autotune_t), intent(in), target	tune_state,
		character(*), intent(in)	file_name,
		integer(kind=c_int), intent(out), optional	error )

function to load the state of the autotuning Parameters

Parameters

self	class(elpa_impl_t) the allocated ELPA object
tune_state	class(elpa_autotune_t): the autotuning object
file_name	string, the name of the file from which to load the state
error	integer, optional

autotune_print_best()

procedure, public elpa_impl::elpa_impl_t::autotune_print_best	(	class(elpa_impl_t), intent(inout)	self,
		class(elpa_autotune_t), intent(in), target	tune_state,
		integer(kind=c_int), intent(out), optional	error )

function to print the up-to-now best options of the autotuning Parameters

Parameters

self	class(elpa_impl_t) the allocated ELPA object
tune_state	class(elpa_autotune_t): the autotuning object
error	integer, optional

autotune_print_state()

procedure, public elpa_impl::elpa_impl_t::autotune_print_state	(	class(elpa_impl_t), intent(inout)	self,
		class(elpa_autotune_t), intent(in), target	tune_state,
		integer(kind=c_int), intent(out), optional	error )

function to print the state of the autotuning Parameters

Parameters

self	class(elpa_impl_t) the allocated ELPA object
tune_state	class(elpa_autotune_t): the autotuning object
error	integer, optional

autotune_save_state()

procedure, public elpa_impl::elpa_impl_t::autotune_save_state	(	class(elpa_impl_t), intent(inout)	self,
		class(elpa_autotune_t), intent(in), target	tune_state,
		character(*), intent(in)	file_name,
		integer(kind=c_int), intent(out), optional	error )

function to save the state of the autotuning Parameters

Parameters

self	class(elpa_impl_t) the allocated ELPA object
tune_state	class(elpa_autotune_t): the autotuning object
file_name	string, the name of the file where to save the state
error	integer, optional

autotune_set_api_version()

procedure, public elpa_impl::elpa_impl_t::autotune_set_api_version	(	class(elpa_impl_t), intent(inout), target	self,
		integer, intent(in)	api_version,
		integer(kind=c_int), optional	error )

procedure to set the api version used for ELPA autotuning Parameters

Parameters

self	the allocated ELPA object
api_version	integer: the api_version
error	integer: error code

autotune_set_best()

procedure, public elpa_impl::elpa_impl_t::autotune_set_best	(	class(elpa_impl_t), intent(inout)	self,
		class(elpa_autotune_t), intent(in), target	tune_state,
		integer(kind=ik), intent(out), optional	error )

function to set the up-to-now best options of the autotuning Parameters

Parameters

self	class(elpa_impl_t) the allocated ELPA object
tune_state	class(elpa_autotune_t): the autotuning object
error	code optional, integer

autotune_setup()

procedure, public elpa_impl::elpa_impl_t::autotune_setup	(	class(elpa_impl_t), intent(inout), target	self,
		integer, intent(in)	level,
		integer, intent(in)	domain,
		integer(kind=c_int), optional	error )

function to setup the ELPA autotuning and create the autotune object Parameters

Parameters

self	the allocated ELPA object
level	integer: the "thoroughness" of the planed autotuning
domain	integer: the domain (real/complex) which should be tuned

Returns

tune_state the created autotuning object

autotune_step()

procedure, public elpa_impl::elpa_impl_t::autotune_step	(	class(elpa_impl_t), intent(inout)	self,
		class(elpa_autotune_t), intent(inout), target	tune_state,
		integer(kind=c_int), intent(out), optional	error )

function to do the work an autotunig step Parameters

Parameters

self	class(elpa_impl_t) the allocated ELPA object
tune_state	class(elpa_autotune_t): the autotuning object

Returns

unfinished logical: describes the state of the autotuning (completed/uncompleted)

autotune_step_worker()

procedure, public elpa_impl::elpa_impl_t::autotune_step_worker	(	class(elpa_impl_t), intent(inout)	self,
		class(elpa_autotune_t), intent(inout), target	tune_state,
		integer(kind=c_int), intent(in)	solver,
		integer(kind=c_int), intent(out), optional	error )

function to do the work of an autotunig step Parameters

Parameters

self	class(elpa_impl_t) the allocated ELPA object
tune_state	class(elpa_autotune_t): the autotuning object

Returns

unfinished logical: describes the state of the autotuning (completed/uncompleted)

can_set()

procedure, public elpa_impl::elpa_impl_t::can_set	(	class(elpa_impl_t)	self,
		character(*), intent(in)	name,
		integer(kind=c_int), intent(in)	value )

a method to check whether a key/value pair can be set : implemented in elpa_can_set

Parameters

self	class(elpa_impl_t) the allocated ELPA object
name	string, the key
value	integer, value

Returns

error integer, error code

construct_scalapack_descriptor()

procedure, private elpa_impl::elpa_impl_t::construct_scalapack_descriptor ( class(elpa_impl_t), intent(inout) self, integer, dimension(sc_desc_len), intent(out) sc_desc, logical, intent(in) rectangular_for_ev )

private

creating_from_legacy_api()

procedure, public elpa_impl::elpa_impl_t::creating_from_legacy_api

(

class(elpa_impl_t), intent(inout)

self

)

destroy()

procedure, public elpa_impl::elpa_impl_t::destroy	(	class(elpa_impl_t)	self,
		integer, intent(out), optional	error )

a destroy method: implemented in elpa_destroy

Parameters

self	class(elpa_impl_t) the allocated ELPA object
error	integer, optional error code

elpa_cholesky_a_h_a_d()

procedure, public elpa_impl::elpa_impl_t::elpa_cholesky_a_h_a_d

virtual

public methods to implement the cholesky factorisation of real/complex double/single matrices

Implements elpa_api::elpa_t.

elpa_cholesky_a_h_a_dc()

procedure, public elpa_impl::elpa_impl_t::elpa_cholesky_a_h_a_dc

virtual

Implements elpa_api::elpa_t.

elpa_cholesky_a_h_a_f()

procedure, public elpa_impl::elpa_impl_t::elpa_cholesky_a_h_a_f

virtual

Implements elpa_api::elpa_t.

elpa_cholesky_a_h_a_fc()

procedure, public elpa_impl::elpa_impl_t::elpa_cholesky_a_h_a_fc

virtual

Implements elpa_api::elpa_t.

elpa_cholesky_d_ptr_d()

procedure, public elpa_impl::elpa_impl_t::elpa_cholesky_d_ptr_d

virtual

public methods to implement the cholesky factorisation of real/complex double/single matrices

Implements elpa_api::elpa_t.

elpa_cholesky_d_ptr_dc()

procedure, public elpa_impl::elpa_impl_t::elpa_cholesky_d_ptr_dc

virtual

Implements elpa_api::elpa_t.

elpa_cholesky_d_ptr_f()

procedure, public elpa_impl::elpa_impl_t::elpa_cholesky_d_ptr_f

virtual

Implements elpa_api::elpa_t.

elpa_cholesky_d_ptr_fc()

procedure, public elpa_impl::elpa_impl_t::elpa_cholesky_d_ptr_fc

virtual

Implements elpa_api::elpa_t.

elpa_eigenvalues_a_h_a_d()

procedure, public elpa_impl::elpa_impl_t::elpa_eigenvalues_a_h_a_d

virtual

public methods to implement the solve step for real/complex double/single matrices; only the eigenvalues are computed

Implements elpa_api::elpa_t.

elpa_eigenvalues_a_h_a_dc()

procedure, public elpa_impl::elpa_impl_t::elpa_eigenvalues_a_h_a_dc

virtual

Implements elpa_api::elpa_t.

elpa_eigenvalues_a_h_a_f()

procedure, public elpa_impl::elpa_impl_t::elpa_eigenvalues_a_h_a_f

virtual

Implements elpa_api::elpa_t.

elpa_eigenvalues_a_h_a_fc()

procedure, public elpa_impl::elpa_impl_t::elpa_eigenvalues_a_h_a_fc

virtual

Implements elpa_api::elpa_t.

elpa_eigenvalues_d_ptr_d()

procedure, public elpa_impl::elpa_impl_t::elpa_eigenvalues_d_ptr_d

virtual

Implements elpa_api::elpa_t.

elpa_eigenvalues_d_ptr_dc()

procedure, public elpa_impl::elpa_impl_t::elpa_eigenvalues_d_ptr_dc

virtual

Implements elpa_api::elpa_t.

elpa_eigenvalues_d_ptr_f()

procedure, public elpa_impl::elpa_impl_t::elpa_eigenvalues_d_ptr_f

virtual

Implements elpa_api::elpa_t.

elpa_eigenvalues_d_ptr_fc()

procedure, public elpa_impl::elpa_impl_t::elpa_eigenvalues_d_ptr_fc

virtual

Implements elpa_api::elpa_t.

elpa_eigenvectors_a_h_a_d()

procedure, public elpa_impl::elpa_impl_t::elpa_eigenvectors_a_h_a_d

virtual

the implemenation methods

public methods to implement the solve step for real/complex double/single matrices

Implements elpa_api::elpa_t.

elpa_eigenvectors_a_h_a_dc()

procedure, public elpa_impl::elpa_impl_t::elpa_eigenvectors_a_h_a_dc

virtual

Implements elpa_api::elpa_t.

elpa_eigenvectors_a_h_a_f()

procedure, public elpa_impl::elpa_impl_t::elpa_eigenvectors_a_h_a_f

virtual

Implements elpa_api::elpa_t.

elpa_eigenvectors_a_h_a_fc()

procedure, public elpa_impl::elpa_impl_t::elpa_eigenvectors_a_h_a_fc

virtual

Implements elpa_api::elpa_t.

elpa_eigenvectors_d_ptr_d()

procedure, public elpa_impl::elpa_impl_t::elpa_eigenvectors_d_ptr_d

virtual

Implements elpa_api::elpa_t.

elpa_eigenvectors_d_ptr_dc()

procedure, public elpa_impl::elpa_impl_t::elpa_eigenvectors_d_ptr_dc

virtual

Implements elpa_api::elpa_t.

elpa_eigenvectors_d_ptr_f()

procedure, public elpa_impl::elpa_impl_t::elpa_eigenvectors_d_ptr_f

virtual

Implements elpa_api::elpa_t.

elpa_eigenvectors_d_ptr_fc()

procedure, public elpa_impl::elpa_impl_t::elpa_eigenvectors_d_ptr_fc

virtual

Implements elpa_api::elpa_t.

elpa_generalized_eigenvalues_d()

procedure, public elpa_impl::elpa_impl_t::elpa_generalized_eigenvalues_d

virtual

public methods to implement the solve step for generalized eigenproblem and real/complex double/single matrices

Implements elpa_api::elpa_t.

elpa_generalized_eigenvalues_dc()

procedure, public elpa_impl::elpa_impl_t::elpa_generalized_eigenvalues_dc

virtual

Implements elpa_api::elpa_t.

elpa_generalized_eigenvalues_f()

procedure, public elpa_impl::elpa_impl_t::elpa_generalized_eigenvalues_f

virtual

Implements elpa_api::elpa_t.

elpa_generalized_eigenvalues_fc()

procedure, public elpa_impl::elpa_impl_t::elpa_generalized_eigenvalues_fc

virtual

Implements elpa_api::elpa_t.

elpa_generalized_eigenvectors_d()

procedure, public elpa_impl::elpa_impl_t::elpa_generalized_eigenvectors_d

virtual

public methods to implement the solve step for generalized eigenproblem and real/complex double/single matrices

Implements elpa_api::elpa_t.

elpa_generalized_eigenvectors_dc()

procedure, public elpa_impl::elpa_impl_t::elpa_generalized_eigenvectors_dc

virtual

Implements elpa_api::elpa_t.

elpa_generalized_eigenvectors_f()

procedure, public elpa_impl::elpa_impl_t::elpa_generalized_eigenvectors_f

virtual

Implements elpa_api::elpa_t.

elpa_generalized_eigenvectors_fc()

procedure, public elpa_impl::elpa_impl_t::elpa_generalized_eigenvectors_fc

virtual

Implements elpa_api::elpa_t.

elpa_hermitian_multiply_a_h_a_d()

procedure, public elpa_impl::elpa_impl_t::elpa_hermitian_multiply_a_h_a_d

virtual

public methods to implement a "hermitian" multiplication of matrices a and b

Implements elpa_api::elpa_t.

elpa_hermitian_multiply_a_h_a_dc()

procedure, public elpa_impl::elpa_impl_t::elpa_hermitian_multiply_a_h_a_dc

virtual

for complex valued matrices: a**H * b

Implements elpa_api::elpa_t.

elpa_hermitian_multiply_a_h_a_f()

procedure, public elpa_impl::elpa_impl_t::elpa_hermitian_multiply_a_h_a_f

virtual

for real valued matrices: a**T * b

Implements elpa_api::elpa_t.

elpa_hermitian_multiply_a_h_a_fc()

procedure, public elpa_impl::elpa_impl_t::elpa_hermitian_multiply_a_h_a_fc

virtual

Implements elpa_api::elpa_t.

elpa_hermitian_multiply_d_ptr_d()

procedure, public elpa_impl::elpa_impl_t::elpa_hermitian_multiply_d_ptr_d

virtual

public methods to implement a "hermitian" multiplication of matrices a and b

Implements elpa_api::elpa_t.

elpa_hermitian_multiply_d_ptr_dc()

procedure, public elpa_impl::elpa_impl_t::elpa_hermitian_multiply_d_ptr_dc

virtual

for complex valued matrices: a**H * b

Implements elpa_api::elpa_t.

elpa_hermitian_multiply_d_ptr_f()

procedure, public elpa_impl::elpa_impl_t::elpa_hermitian_multiply_d_ptr_f

virtual

for real valued matrices: a**T * b

Implements elpa_api::elpa_t.

elpa_hermitian_multiply_d_ptr_fc()

procedure, public elpa_impl::elpa_impl_t::elpa_hermitian_multiply_d_ptr_fc

virtual

Implements elpa_api::elpa_t.

elpa_invert_trm_a_h_a_d()

procedure, public elpa_impl::elpa_impl_t::elpa_invert_trm_a_h_a_d

virtual

public methods to implement the inversion of a triangular real/complex double/single matrix

Implements elpa_api::elpa_t.

elpa_invert_trm_a_h_a_dc()

procedure, public elpa_impl::elpa_impl_t::elpa_invert_trm_a_h_a_dc

virtual

Implements elpa_api::elpa_t.

elpa_invert_trm_a_h_a_f()

procedure, public elpa_impl::elpa_impl_t::elpa_invert_trm_a_h_a_f

virtual

Implements elpa_api::elpa_t.

elpa_invert_trm_a_h_a_fc()

procedure, public elpa_impl::elpa_impl_t::elpa_invert_trm_a_h_a_fc

virtual

Implements elpa_api::elpa_t.

elpa_invert_trm_d_ptr_d()

procedure, public elpa_impl::elpa_impl_t::elpa_invert_trm_d_ptr_d

virtual

public methods to implement the inversion of a triangular real/complex double/single matrix

Implements elpa_api::elpa_t.

elpa_invert_trm_d_ptr_dc()

procedure, public elpa_impl::elpa_impl_t::elpa_invert_trm_d_ptr_dc

virtual

Implements elpa_api::elpa_t.

elpa_invert_trm_d_ptr_f()

procedure, public elpa_impl::elpa_impl_t::elpa_invert_trm_d_ptr_f

virtual

Implements elpa_api::elpa_t.

elpa_invert_trm_d_ptr_fc()

procedure, public elpa_impl::elpa_impl_t::elpa_invert_trm_d_ptr_fc

virtual

Implements elpa_api::elpa_t.

elpa_skew_eigenvalues_a_h_a_d()

procedure, public elpa_impl::elpa_impl_t::elpa_skew_eigenvalues_a_h_a_d

virtual

public methods to implement the solve step for real skew-symmetric double/single matrices; only the eigenvalues are computed

Implements elpa_api::elpa_t.

elpa_skew_eigenvalues_a_h_a_f()

procedure, public elpa_impl::elpa_impl_t::elpa_skew_eigenvalues_a_h_a_f

virtual

Implements elpa_api::elpa_t.

elpa_skew_eigenvalues_d_ptr_d()

procedure, public elpa_impl::elpa_impl_t::elpa_skew_eigenvalues_d_ptr_d

virtual

Implements elpa_api::elpa_t.

elpa_skew_eigenvalues_d_ptr_f()

procedure, public elpa_impl::elpa_impl_t::elpa_skew_eigenvalues_d_ptr_f

virtual

Implements elpa_api::elpa_t.

elpa_skew_eigenvectors_a_h_a_d()

procedure, public elpa_impl::elpa_impl_t::elpa_skew_eigenvectors_a_h_a_d

virtual

public methods to implement the solve step for real skew-symmetric double/single matrices

Implements elpa_api::elpa_t.

elpa_skew_eigenvectors_a_h_a_f()

procedure, public elpa_impl::elpa_impl_t::elpa_skew_eigenvectors_a_h_a_f

virtual

Implements elpa_api::elpa_t.

elpa_skew_eigenvectors_d_ptr_d()

procedure, public elpa_impl::elpa_impl_t::elpa_skew_eigenvectors_d_ptr_d

virtual

Implements elpa_api::elpa_t.

elpa_skew_eigenvectors_d_ptr_f()

procedure, public elpa_impl::elpa_impl_t::elpa_skew_eigenvectors_d_ptr_f

virtual

Implements elpa_api::elpa_t.

elpa_solve_tridiagonal_d()

procedure, public elpa_impl::elpa_impl_t::elpa_solve_tridiagonal_d

virtual

public methods to implement the solve step for a real valued

Implements elpa_api::elpa_t.

elpa_solve_tridiagonal_f()

procedure, public elpa_impl::elpa_impl_t::elpa_solve_tridiagonal_f

virtual

double/single tridiagonal matrix

Implements elpa_api::elpa_t.

elpa_transform_back_generalized_d()

procedure, private elpa_impl::elpa_impl_t::elpa_transform_back_generalized_d

private

elpa_transform_back_generalized_dc()

procedure, private elpa_impl::elpa_impl_t::elpa_transform_back_generalized_dc

private

elpa_transform_back_generalized_f()

procedure, private elpa_impl::elpa_impl_t::elpa_transform_back_generalized_f

private

elpa_transform_back_generalized_fc()

procedure, private elpa_impl::elpa_impl_t::elpa_transform_back_generalized_fc

private

elpa_transform_generalized_d()

procedure, private elpa_impl::elpa_impl_t::elpa_transform_generalized_d

private

elpa_transform_generalized_dc()

procedure, private elpa_impl::elpa_impl_t::elpa_transform_generalized_dc

private

elpa_transform_generalized_f()

procedure, private elpa_impl::elpa_impl_t::elpa_transform_generalized_f

private

elpa_transform_generalized_fc()

procedure, private elpa_impl::elpa_impl_t::elpa_transform_generalized_fc

private

get_time()

procedure, public elpa_impl::elpa_impl_t::get_time	(	class(elpa_impl_t), intent(in)	self,
		character(len=*), intent(in), optional	name1,
		character(len=*), intent(in), optional	name2,
		character(len=*), intent(in), optional	name3,
		character(len=*), intent(in), optional	name4,
		character(len=*), intent(in), optional	name5,
		character(len=*), intent(in), optional	name6 )

function to querry the timing information at a certain level Parameters

Parameters

self	class(elpa_impl_t) the allocated ELPA object
name1	.. name6 string: the string identifier for the timer region. at the moment 6 nested levels can be queried

Returns

s double: the timer metric for the region. Might be seconds, or any other supported metric

is_set()

procedure, public elpa_impl::elpa_impl_t::is_set	(	class(elpa_impl_t)	self,
		character(*), intent(in)	name )

a method to check whether a key/value pair has been set : implemented in elpa_is_set

Parameters

self	class(elpa_impl_t) the allocated ELPA object
name	string, the key

Returns

state integer, the state of the key/value pair

load_settings()

procedure, public elpa_impl::elpa_impl_t::load_settings	(	class(elpa_impl_t), intent(inout)	self,
		character(*), intent(in)	file_name,
		integer(kind=c_int), intent(out), optional	error )

function to load all the parameters, which have been saved to a file Parameters

Parameters

self	class(elpa_impl_t) the allocated ELPA object
file_name	string, the name of the file from which to load the parameters
error	integer, optional

print_settings()

procedure, public elpa_impl::elpa_impl_t::print_settings	(	class(elpa_impl_t), intent(inout)	self,
		integer(kind=c_int), intent(out), optional	error )

function to print all the parameters, that have been set Parameters

Parameters

self	class(elpa_impl_t) the allocated ELPA object
error	optional, integer

print_times()

procedure, public elpa_impl::elpa_impl_t::print_times	(	class(elpa_impl_t), intent(in)	self,
		character(len=*), intent(in), optional	name1,
		character(len=*), intent(in), optional	name2,
		character(len=*), intent(in), optional	name3,
		character(len=*), intent(in), optional	name4 )

function to print the timing tree below at a certain level Parameters

Parameters

self	class(elpa_impl_t) the allocated ELPA object
name1	.. name6 string: the string identifier for the timer region. at the moment 4 nested levels can be specified

setup()

procedure, public elpa_impl::elpa_impl_t::setup

(

class(elpa_impl_t), intent(inout)

self

)

methods available with the elpa_impl_t type

the puplic methods a setup method: implemented in elpa_setup

setup_gpu()

procedure, public elpa_impl::elpa_impl_t::setup_gpu

(

class(elpa_impl_t), intent(inout)

self

)

setup the GPU usage

Parameters

self	class(elpa_impl_t), the allocated ELPA object

Returns

error integer, the error code

store_settings()

procedure, public elpa_impl::elpa_impl_t::store_settings	(	class(elpa_impl_t), intent(inout)	self,
		character(*), intent(in)	file_name,
		integer(kind=c_int), intent(out), optional	error )

function to save all the parameters, that have been set Parameters

Parameters

self	class(elpa_impl_t) the allocated ELPA object
file_name	string, the name of the file where to save the parameters
error	integer, optional

timer_start()

procedure, public elpa_impl::elpa_impl_t::timer_start	(	class(elpa_impl_t), intent(inout)	self,
		character(len=*), intent(in)	name )

function to start the timing of a code region Parameters

Parameters

self	class(elpa_impl_t) the allocated ELPA object
name	string: a chosen identifier name for the code region

timer_stop()

procedure, public elpa_impl::elpa_impl_t::timer_stop	(	class(elpa_impl_t), intent(inout)	self,
		character(len=*), intent(in)	name )

function to stop the timing of a code region Parameters

Parameters

self	class(elpa_impl_t) the allocated ELPA object
name	string: identifier name for the code region to stop

Member Data Documentation

communicators_owned

integer elpa_impl::elpa_impl_t::communicators_owned

private

from_legacy_api

integer elpa_impl::elpa_impl_t::from_legacy_api

---

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

• /backup/work/git2/elpa/elpa/elpa_lib/src/elpa_impl.F90