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code edit to enhance memory efficiency #3720

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Merged
danpovey merged 5 commits into from
Nov 15, 2019
Merged

code edit to enhance memory efficiency #3720

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ea4d8ef
fixing feature array index
KimJeongSun Aug 28, 2019
7eee56c
Merge branch 'master' of github.com:kaldi-asr/kaldi
KimJeongSun Sep 3, 2019
cf15375
fix nested variable
KimJeongSun Sep 3, 2019
29db5c7
Merge branch 'master' into master
KimJeongSun Sep 9, 2019
1999f23
edit code for enhance memory efficiency
KimJeongSun Nov 15, 2019
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12 changes: 7 additions & 5 deletions egs/wsj/s5/steps/combine_ali_dirs.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -154,23 +154,25 @@ do_combine() {
# Each numbered variable will contain the list of archives, e. g.:
# src_arcs_1="exp/tri3_ali/ali.1.gz exp/tri3_ali/ali.1.gz ..."
# ('printf' repeats its format as long as there are more arguments).
printf -v src_arks_${src_id} "$src/$ark.%d.gz " $(seq $nj_src)
export src_arks_${src_id}
printf "$src/$ark.%d.gz " $(seq $nj_src) > $temp_dir/src_arks.${src_id}
done

# Gather archives in parallel jobs.
$cmd JOB=1:$src_id $dest/log/gather_$entities.JOB.log \
$copy_program \
"ark:gunzip -c \${src_arks_JOB} |" \
"ark:gunzip -c \$(cat $temp_dir/src_arks.JOB) |" \
"ark,scp:$temp_dir/$ark.JOB.ark,$temp_dir/$ark.JOB.scp" || exit 1

# Merge (presumed already sorted) scp's into a single script.
sort -m $temp_dir/$ark.*.scp > $temp_dir/$ark.scp || exit 1

inputs=$(for n in `seq $nj`; do echo $temp_dir/$ark.$n.scp; done)
utils/split_scp.pl --utt2spk=$data/utt2spk $temp_dir/$ark.scp $inputs

echo "$0: Splitting combined $entities into $nj archives on speaker boundary."
$cmd JOB=1:$nj $dest/log/chop_combined_$entities.JOB.log \
$copy_program \
"scp:utils/split_scp.pl --utt2spk=$data/utt2spk --one-based -j $nj JOB $temp_dir/$ark.scp |" \
"scp:$temp_dir/$ark.JOB.scp" \
"ark:| gzip -c > $dest/$ark.JOB.gz" || exit 1

# Get some interesting stats, and signal an error if error threshold exceeded.
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