add a simple test script

Author: LvHang

egs/wsj/s5/steps/decode_combine_test.sh

@@ -0,0 +1,128 @@
+#!/bin/bash
+
+# Copyright 2012  Johns Hopkins University (Author: Daniel Povey)
+# Apache 2.0
+
+# Begin configuration.
+nj=4
+cmd=run.pl
+maxactive=7000
+beam=15.0
+lattice_beam=8.0
+expand_beam=30.0
+acwt=1.0
+skip_scoring=false
+combine_version=false
+
+stage=0
+online_ivector_dir=
+post_decode_acwt=10.0
+extra_left_context=0
+extra_right_context=0
+extra_left_context_initial=0
+extra_right_context_final=0
+chunk_width=140,100,160
+use_gpu=no
+# End configuration.
+
+echo "$0 $@"  # Print the command line for logging
+
+[ -f ./path.sh ] && . ./path.sh; # source the path.
+. parse_options.sh || exit 1;
+
+if [ $# != 5 ]; then
+   echo "Usage: steps/decode_combine_test.sh [options] <graph-dir> <data-dir> <decode-dir>"
+   echo "... where <decode-dir> is assumed to be a sub-directory of the directory"
+   echo " where the model is."
+   echo "e.g.: steps/decode_combine_test.sh exp/mono/graph_tgpar data/test_dev93 exp/mono/decode_dev93_tgpr"
+   echo ""
+   echo "This script works on CMN + (delta+delta-delta | LDA+MLLT) features; it works out"
+   echo "what type of features you used (assuming it's one of these two)"
+   echo ""
+   echo "main options (for others, see top of script file)"
+   echo "  --config <config-file>                           # config containing options"
+   echo "  --nj <nj>                                        # number of parallel jobs"
+   echo "  --cmd (utils/run.pl|utils/queue.pl <queue opts>) # how to run jobs."
+   exit 1;
+fi
+
+
+graphdir=$1
+data=$2
+dir=$3
+
+srcdir=`dirname $dir`; # The model directory is one level up from decoding directory.
+sdata=$data/split$nj;
+splice_opts=`cat $srcdir/splice_opts 2>/dev/null`
+cmvn_opts=`cat $srcdir/cmvn_opts 2>/dev/null`
+delta_opts=`cat $srcdir/delta_opts 2>/dev/null`
+
+mkdir -p $dir/log
+[[ -d $sdata && $data/feats.scp -ot $sdata ]] || split_data.sh $data $nj || exit 1;
+echo $nj > $dir/num_jobs
+
+
+for f in $sdata/1/feats.scp $sdata/1/cmvn.scp $srcdir/final.mdl $graphdir/HCLG.fst $oldlm_fst $newlm_fst; do
+  [ ! -f $f ] && echo "decode_si.sh: no such file $f" && exit 1;
+done
+
+
+if [ -f $srcdir/final.mat ]; then feat_type=lda; else feat_type=delta; fi
+echo "decode_combine_test.sh: feature type is $feat_type"
+
+feats="ark,s,cs:apply-cmvn $cmvn_opts --utt2spk=ark:$sdata/JOB/utt2spk scp:$sdata/JOB/cmvn.scp scp:$sdata/JOB/feats.scp ark:- |"
+
+posteriors="ark,scp:$sdata/JOB/posterior.ark,$sdata/JOB/posterior.scp"
+posteriors_scp="scp:$sdata/JOB/posterior.scp"
+
+if [ ! -z "$online_ivector_dir" ]; then
+  ivector_period=$(cat $online_ivector_dir/ivector_period) || exit 1;
+  ivector_opts="--online-ivectors=scp:$online_ivector_dir/ivector_online.scp --online-ivector-period=$ivector_period"
+fi
+
+if [ "$post_decode_acwt" == 1.0 ]; then
+  lat_wspecifier="ark:|gzip -c >$dir/lat.JOB.gz"
+else
+  lat_wspecifier="ark:|lattice-scale --acoustic-scale=$post_decode_acwt ark:- ark:- | gzip -c >$dir/lat.JOB.gz"
+fi
+
+frame_subsampling_opt=
+if [ -f $srcdir/frame_subsampling_factor ]; then
+  # e.g. for 'chain' systems
+  frame_subsampling_opt="--frame-subsampling-factor=$(cat $srcdir/frame_subsampling_factor)"
+fi
+
+frames_per_chunk=$(echo $chunk_width | cut -d, -f1)
+# generate log-likelihood
+if [ $stage -le 1 ]; then
+  $cmd JOB=1:$nj $dir/log/nnet_compute.JOB.log \
+    nnet3-compute $ivector_opts $frame_subsampling_opt \
+    --acoustic-scale=$acwt \
+    --extra-left-context=$extra_left_context \
+    --extra-right-context=$extra_right_context \
+    --extra-left-context-initial=$extra_left_context_initial \
+    --extra-right-context-final=$extra_right_context_final \
+    --frames-per-chunk=$frames_per_chunk \
+    --use-gpu=$use_gpu --use-priors=true \
+    $srcdir/final.mdl "$feats" "$posteriors"
+fi
+
+if [ $stage -le 2 ]; then
+  suffix=
+  if $combine_version ; then
+    suffix="-combine"
+  fi
+  $cmd JOB=1:$nj $dir/log/decode.JOB.log \
+  latgen-faster-mapped$suffix --max-active=$maxactive --beam=$beam --lattice-beam=$lattice_beam
+    --acoustic-scale=$acwt --allow-partial=true --word-symbol-table=$graphdir/words.txt \
+    $srcdir/final.mdl $graphdir/HCLG.fst "$posteriors_scp" "$lat_wspecifier" || exit 1;
+fi
+
+if ! $skip_scoring ; then
+  [ ! -x local/score.sh ] && \
+    echo "Not scoring because local/score.sh does not exist or not executable." && exit 1;
+  local/score.sh --cmd "$cmd" $data $graphdir $dir ||
+    { echo "$0: Scoring failed. (ignore by '--skip-scoring true')"; exit 1; }
+fi
+
+exit 0;