This struct exists only for diagnostic purposes. More...

#include <nnet-example-functions.h>

Collaboration diagram for SplitExampleStats:

Public Member Functions
	SplitExampleStats ()

void	Print ()

Public Attributes
int32	num_lattices

int32	longest_lattice

int32	num_segments

int32	num_kept_segments

int64	num_frames_orig

int64	num_frames_must_keep

int64	num_frames_kept_after_split

int32	longest_segment_after_split

int64	num_frames_kept_after_excise

int32	longest_segment_after_excise

Detailed Description

This struct exists only for diagnostic purposes.

Note: the stats assume that you call SplitDiscriminative and ExciseDiscriminativeExample in the same program, and the info printed out will be wrong if this is not the case... this isn't ideal but it was more convenient.

Definition at line 121 of file nnet-example-functions.h.

Constructor & Destructor Documentation

◆ SplitExampleStats()

SplitExampleStats ( )

inline

Definition at line 133 of file nnet-example-functions.h.

References kaldi::nnet2::AppendDiscriminativeExamples(), kaldi::nnet2::CombineDiscriminativeExamples(), SplitDiscriminativeExampleConfig::criterion, SplitDiscriminativeExampleConfig::drop_frames, kaldi::nnet2::ExampleToPdfPost(), kaldi::nnet2::ExciseDiscriminativeExample(), kaldi::nnet2::LatticeToDiscriminativeExample(), SplitDiscriminativeExampleConfig::max_length, fst::Print(), kaldi::nnet2::SolvePackingProblem(), kaldi::nnet2::SplitDiscriminativeExample(), and kaldi::nnet2::UpdateHash().

133 { memset(this, 0, sizeof(*this)); }

Member Function Documentation

◆ Print()

void Print ( )

Definition at line 573 of file nnet-example-functions.cc.

References KALDI_LOG.

Referenced by main().

                               {
   KALDI_LOG << "Split " << num_lattices << " lattices.  Stats:";
   double kept_segs_per_lat = num_kept_segments * 1.0 / num_lattices,
       segs_per_lat = num_segments * 1.0 / num_lattices;
       
   KALDI_LOG << "Made on average " << segs_per_lat << " segments per lattice, "
             << "of which " << kept_segs_per_lat << " were kept.";
 
   double percent_needed = num_frames_must_keep * 100.0 / num_frames_orig,
     percent_after_split = num_frames_kept_after_split * 100.0 / num_frames_orig,
    percent_after_excise = num_frames_kept_after_excise * 100.0 / num_frames_orig;
       
   KALDI_LOG << "Needed to keep " << percent_needed << "% of frames, after split "
             << "kept " << percent_after_split << "%, after excising frames kept "
             << percent_after_excise << "%.";
 
   KALDI_LOG << "Longest lattice had " << longest_lattice
             << " frames, longest segment after splitting had "
             << longest_segment_after_split
             << " frames, longest segment after excising had "
             << longest_segment_after_excise;
 }