Cubic performance models, which given measurements, provides new model guess. More...

#include <model.h>

Inheritance diagram for CTF_int::CubicModel< nparam >:

Collaboration diagram for CTF_int::CubicModel< nparam >:

Public Member Functions
	CubicModel (double const init_guess, char const name, int hist_size=8192)
	constructor More...

	~CubicModel ()

void	update (MPI_Comm cm)
	updates model based on observarions More...

void	observe (double const *time_param)
	records observation consisting of execution time and nparam paramter values More...

bool	should_observe (double const *time_param)
	decides whether the current instance should be observed More...

double	est_time (double const *param)
	estimates model time based on observarions More...

void	print ()
	prints current parameter estimates More...

void	print_uo ()
	prints time estimate errors More...

double *	get_coeff ()
	return the turned model coefficients More...

void	load_coeff (std::string file_name)
	load model coefficients from file More...

void	write_coeff (std::string file_name)
	write model coefficients to file More...

void	dump_data (std::string path)
	write model coefficients to file More...

Detailed Description

template<int nparam>
class CTF_int::CubicModel< nparam >

Cubic performance models, which given measurements, provides new model guess.

Definition at line 144 of file model.h.

Constructor & Destructor Documentation

template<int nparam>

CTF_int::CubicModel< nparam >::CubicModel	(	double const *	init_guess,
		char const *	name,
		int	hist_size = `8192`
	)

constructor

Parameters

[in]	init_guess	array of size nparam consisting of initial model parameter guesses
[in]	name	identifier
[in]	hist_size	number of times to keep in history

Definition at line 763 of file model.cxx.

template<int nparam>

CTF_int::CubicModel< nparam >::~CubicModel ( )

Definition at line 768 of file model.cxx.

Member Function Documentation

template<int nparam>

void CTF_int::CubicModel< nparam >::dump_data ( std::string path )

virtual

write model coefficients to file

Parameters

[in] path the path that we wish to dump all files to

Reimplemented from CTF_int::Model.

Definition at line 821 of file model.cxx.

References CTF_int::LinModel< nparam >::dump_data().

template<int nparam>

double CTF_int::CubicModel< nparam >::est_time ( double const * param )

estimates model time based on observarions

Parameters

[in] param array of size nparam of form [val_1,val_2,...,val_nparam]

Returns: estimated time

Definition at line 789 of file model.cxx.

References CTF_int::LinModel< nparam >::est_time().

template<int nparam>

double * CTF_int::CubicModel< nparam >::get_coeff ( )

return the turned model coefficients

Definition at line 806 of file model.cxx.

References CTF_int::LinModel< nparam >::get_coeff().

template<int nparam>

void CTF_int::CubicModel< nparam >::load_coeff ( std::string file_name )

virtual

load model coefficients from file

Parameters

[in] file_name the file we wish to load model coefficients from

Reimplemented from CTF_int::Model.

Definition at line 811 of file model.cxx.

References CTF_int::LinModel< nparam >::load_coeff().

template<int nparam>

void CTF_int::CubicModel< nparam >::observe ( double const * time_param )

records observation consisting of execution time and nparam paramter values

Parameters

[in] time_param array of size nparam+1 of form [exe_sec,val_1,val_2,...,val_nparam]

Definition at line 776 of file model.cxx.

References CTF_int::LinModel< nparam >::observe().

template<int nparam>

void CTF_int::CubicModel< nparam >::print ( )

virtual

prints current parameter estimates

Reimplemented from CTF_int::Model.

Definition at line 796 of file model.cxx.

References CTF_int::LinModel< nparam >::print().

template<int nparam>

void CTF_int::CubicModel< nparam >::print_uo ( )

virtual

prints time estimate errors

Reimplemented from CTF_int::Model.

Definition at line 801 of file model.cxx.

References CTF_int::LinModel< nparam >::print_uo().

template<int nparam>

bool CTF_int::CubicModel< nparam >::should_observe ( double const * time_param )

decides whether the current instance should be observed

Parameters

[in] time_param array of size nparam+1 of form [exe_sec,val_1,val_2,...,val_nparam]

Definition at line 784 of file model.cxx.

References CTF_int::LinModel< nparam >::should_observe().

template<int nparam>

void CTF_int::CubicModel< nparam >::update ( MPI_Comm cm )

virtual

updates model based on observarions

Parameters

[in] cm communicator across which we should synchronize model (collect observations)

Reimplemented from CTF_int::Model.

Definition at line 771 of file model.cxx.

References CTF_int::LinModel< nparam >::update().

template<int nparam>

void CTF_int::CubicModel< nparam >::write_coeff ( std::string file_name )

virtual

write model coefficients to file

Parameters

[in] file_name the file we wish to write model coefficients to

Reimplemented from CTF_int::Model.

Definition at line 816 of file model.cxx.

References CTF_int::LinModel< nparam >::write_coeff().

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

Public Member Functions

Detailed Description

template<int nparam> class CTF_int::CubicModel< nparam >

Constructor & Destructor Documentation

Member Function Documentation

template<int nparam>
class CTF_int::CubicModel< nparam >