LossItf Class Reference

#include <nnet-loss.h>

Inheritance diagram for LossItf:

Collaboration diagram for LossItf:

Public Member Functions
	LossItf (LossOptions &opts)
virtual	~LossItf ()
virtual void	Eval (const VectorBase< BaseFloat > &frame_weights, const CuMatrixBase< BaseFloat > &net_out, const CuMatrixBase< BaseFloat > &target, CuMatrix< BaseFloat > *diff)=0
	Evaluate cross entropy using target-matrix (supports soft labels),. More...
virtual void	Eval (const VectorBase< BaseFloat > &frame_weights, const CuMatrixBase< BaseFloat > &net_out, const Posterior &target, CuMatrix< BaseFloat > *diff)=0
	Evaluate cross entropy using target-posteriors (supports soft labels),. More...
virtual std::string	Report ()=0
	Generate string with error report,. More...
virtual BaseFloat	AvgLoss ()=0
	Get loss value (frame average),. More...

Protected Attributes
LossOptions	opts_
Timer	timer_

Detailed Description

Definition at line 51 of file nnet-loss.h.

Constructor & Destructor Documentation

LossItf()

LossItf ( LossOptions &  opts )

inline

Definition at line 53 of file nnet-loss.h.

                             {
    opts_ = opts;
  }

~LossItf()

virtual ~LossItf ( )

inlinevirtual

Definition at line 56 of file nnet-loss.h.

{ }

Member Function Documentation

AvgLoss()

virtual BaseFloat AvgLoss ( )

pure virtual

Get loss value (frame average),.

Implemented in MultiTaskLoss, Mse, and Xent.

Eval() [1/2]

virtual void Eval ( const VectorBase< BaseFloat > &  frame_weights, const CuMatrixBase< BaseFloat > &  net_out, const CuMatrixBase< BaseFloat > &  target, CuMatrix< BaseFloat > *  diff  )

pure virtual

Evaluate cross entropy using target-matrix (supports soft labels),.

Implemented in MultiTaskLoss, Mse, and Xent.

Eval() [2/2]

virtual void Eval ( const VectorBase< BaseFloat > &  frame_weights, const CuMatrixBase< BaseFloat > &  net_out, const Posterior &  target, CuMatrix< BaseFloat > *  diff  )

pure virtual

Evaluate cross entropy using target-posteriors (supports soft labels),.

Implemented in MultiTaskLoss, Mse, and Xent.

Report()

virtual std::string Report ( )

pure virtual

Generate string with error report,.

Implemented in MultiTaskLoss, Mse, and Xent.

Member Data Documentation

opts_

LossOptions opts_

protected

Definition at line 77 of file nnet-loss.h.

Referenced by Xent::Eval(), Mse::Eval(), and MultiTaskLoss::InitFromString().

timer_

Timer timer_

protected

Definition at line 78 of file nnet-loss.h.

Referenced by Xent::Eval().

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

• nnet/nnet-loss.h