FT::Opt::AutoBackProp Class Reference

#include <auto_backprop.h>

Collaboration diagram for FT::Opt::AutoBackProp:

Public Types
typedef VectorXf(*	callback) (const VectorXf &, shared_ptr< CLabels > &, const vector< float > &)

Public Member Functions
	AutoBackProp (string scorer, int iters=1000, float n=0.1, float a=0.9)
void	run (Individual &ind, const Data &d, const Parameters &params)
	adapt weights More...

Public Attributes
std::map< string, callback >	d_score_hash
std::map< string, callback >	score_hash

Private Member Functions
void	print_weights (NodeVector &program)
vector< Trace >	forward_prop (Individual &ind, const Data &d, MatrixXf &Phi, const Parameters &params)
	Return the f_stack. More...
void	next_branch (vector< BP_NODE > &executing, vector< Node * > &bp_program, vector< ArrayXf > &derivatives)
	Updates stacks to have proper value on top. More...
void	backprop (Trace &f_stack, NodeVector &program, int start, int end, float Beta, shared_ptr< CLabels > &yhat, const Data &d, vector< float > sw)
	Compute gradients and update weights. More...
void	backprop2 (Trace &f_stack, NodeVector &program, int start, int end, float Beta, const VectorXf &yhat, const Data &d, vector< float > sw)
	Compute gradients and update weights. More...

Private Attributes
float	n
float	a
callback	d_cost_func
callback	cost_func
int	iters
float	epk
float	epT

Detailed Description

Definition at line 62 of file auto_backprop.h.

Member Typedef Documentation

callback

typedef VectorXf(* FT::Opt::AutoBackProp::callback) (const VectorXf &, shared_ptr< CLabels > &, const vector< float > &)

Definition at line 69 of file auto_backprop.h.

Constructor & Destructor Documentation

AutoBackProp()

FT::Opt::AutoBackProp::AutoBackProp	(	string	scorer,
		int	iters = 1000,
		float	n = 0.1,
		float	a = 0.9
	)

Definition at line 16 of file auto_backprop.cc.

Member Function Documentation

backprop()

void FT::Opt::AutoBackProp::backprop ( Trace &  f_stack, NodeVector &  program, int  start, int  end, float  Beta, shared_ptr< CLabels > &  yhat, const Data &  d, vector< float >  sw  )

private

Compute gradients and update weights.

Definition at line 235 of file auto_backprop.cc.

backprop2()

void FT::Opt::AutoBackProp::backprop2 ( Trace &  f_stack, NodeVector &  program, int  start, int  end, float  Beta, const VectorXf &  yhat, const Data &  d, vector< float >  sw  )

private

Compute gradients and update weights.

forward_prop()

vector< Trace > FT::Opt::AutoBackProp::forward_prop ( Individual &  ind, const Data &  d, MatrixXf &  Phi, const Parameters &  params  )

private

Return the f_stack.

Definition at line 191 of file auto_backprop.cc.

next_branch()

void FT::Opt::AutoBackProp::next_branch ( vector< BP_NODE > &  executing, vector< Node * > &  bp_program, vector< ArrayXf > &  derivatives  )

private

Updates stacks to have proper value on top.

Definition at line 204 of file auto_backprop.cc.

print_weights()

void FT::Opt::AutoBackProp::print_weights ( NodeVector &  program )

private

Definition at line 42 of file auto_backprop.cc.

run()

void FT::Opt::AutoBackProp::run	(	Individual &	ind,
		const Data &	d,
		const Parameters &	params
	)

adapt weights

Definition at line 60 of file auto_backprop.cc.

Member Data Documentation

a

float FT::Opt::AutoBackProp::a

private

Definition at line 89 of file auto_backprop.h.

cost_func

callback FT::Opt::AutoBackProp::cost_func

private

Definition at line 91 of file auto_backprop.h.

d_cost_func

callback FT::Opt::AutoBackProp::d_cost_func

private

Definition at line 90 of file auto_backprop.h.

d_score_hash

std::map<string, callback> FT::Opt::AutoBackProp::d_score_hash

Definition at line 71 of file auto_backprop.h.

epk

float FT::Opt::AutoBackProp::epk

private

Definition at line 94 of file auto_backprop.h.

epT

float FT::Opt::AutoBackProp::epT

private

Definition at line 95 of file auto_backprop.h.

iters

int FT::Opt::AutoBackProp::iters

private

Definition at line 93 of file auto_backprop.h.

n

float FT::Opt::AutoBackProp::n

private

Definition at line 88 of file auto_backprop.h.

score_hash

std::map<string, callback> FT::Opt::AutoBackProp::score_hash

Definition at line 72 of file auto_backprop.h.

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

• auto_backprop.h
• auto_backprop.cc