Inheritance diagram for CoulombTuningAlgorithm< FloatType, Architecture >:

Collaboration diagram for CoulombTuningAlgorithm< FloatType, Architecture >:

Public Member Functions
	CoulombTuningAlgorithm (System::System &system, auto &input_p3m, double prefactor, int timings)

void	on_solver_change () const override

void	setup_logger (bool verbose) override

std::optional< std::string >	layer_correction_veto_r_cut (double r_cut) const override

std::tuple< double, double, double, double >	calculate_accuracy (Utils::Vector3i const &mesh, int cao, double r_cut_iL) const override

void	determine_mesh_limits () override

TuningAlgorithm::Parameters	get_time () override

Public Member Functions inherited from TuningAlgorithm
	TuningAlgorithm (System::System &system, double prefactor, int timings)

virtual	~TuningAlgorithm ()=default

void	determine_r_cut_limits ()
	Determine a sensible range for the real-space cutoff.

void	determine_cao_limits (int initial_cao)
	Determine a sensible range for the charge assignment order.

void	commit (Utils::Vector3i const &mesh, int cao, double r_cut_iL, double alpha_L)
	Write tuned parameters to the P3M parameter struct.

void	tune ()

Protected Member Functions
P3MParameters &	get_params () override

Protected Member Functions inherited from TuningAlgorithm
auto	get_n_trials ()

void	increment_n_trials ()

void	reset_n_trials ()

double	get_m_time (Utils::Vector3i const &mesh, int &tuned_cao, double &tuned_r_cut_iL, double &tuned_alpha_L, double &tuned_accuracy)
	Get the optimal alpha and the corresponding computation time for a fixed `mesh`.

double	get_mc_time (Utils::Vector3i const &mesh, int cao, double &tuned_r_cut_iL, double &tuned_alpha_L, double &tuned_accuracy)
	Get the optimal alpha and the corresponding computation time for a fixed `mesh` and `cao`.

Additional Inherited Members
Protected Attributes inherited from TuningAlgorithm
System::System &	m_system

double	m_prefactor

std::unique_ptr< TuningLogger >	m_logger = nullptr

int	cao_min = -1

int	cao_max = -1

int	cao_best = -1

double	m_r_cut_iL_min = -1.

double	m_r_cut_iL_max = -1.

Static Protected Attributes inherited from TuningAlgorithm
static auto constexpr	time_granularity = 2.
	Granularity of the time measurement (milliseconds).

static auto constexpr	max_n_consecutive_trials = 20
	Maximal number of consecutive trials that don't improve runtime.

static auto constexpr	time_sentinel = std::numeric_limits<double>::max()
	Value for invalid time measurements.

Detailed Description

template<typename FloatType, Arch Architecture>
class CoulombTuningAlgorithm< FloatType, Architecture >

Definition at line 595 of file p3m.cpp.

Constructor & Destructor Documentation

template<typename FloatType , Arch Architecture>

CoulombTuningAlgorithm< FloatType, Architecture >::CoulombTuningAlgorithm	(	System::System &	system,
		auto &	input_p3m,
		double	prefactor,
		int	timings
	)

inline

Definition at line 605 of file p3m.cpp.

template<typename FloatType , Arch Architecture>

std::tuple< double, double, double, double > CoulombTuningAlgorithm< FloatType, Architecture >::calculate_accuracy	(	Utils::Vector3i const &	mesh,
		int	cao,
		double	r_cut_iL
	)		const