run_tdnn.sh
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#!/bin/bash
# This is the standard "tdnn" system, built in nnet3
# by default:
# local/nnet3/run_tdnn.sh
set -e -o pipefail -u
# First the options that are passed through to run_ivector_common.sh
# (some of which are also used in this script directly).
stage=0
nj=30
decode_nj=7
min_seg_len=1.55
train_set=train
gmm=tri3b # this is the source gmm-dir for the data-type of interest; it
# should have alignments for the specified training data.
num_threads_ubm=32
nnet3_affix= # cleanup affix for exp dirs, e.g. _cleaned
tdnn_affix= #affix for TDNN directory e.g. "a" or "b", in case we change the configuration.
# Options which are not passed through to run_ivector_common.sh
train_stage=-10
splice_indexes="-2,-1,0,1,2 -1,2 -3,3 -7,2 -3,3 0 0"
remove_egs=true
relu_dim=750
num_epochs=3
. ./cmd.sh
. ./path.sh
. ./utils/parse_options.sh
if ! cuda-compiled; then
cat <<EOF && exit 1
This script is intended to be used with GPUs but you have not compiled Kaldi with CUDA
If you want to use GPUs (and have them), go to src/, and configure and make on a machine
where "nvcc" is installed.
EOF
fi
local/nnet3/run_ivector_common.sh --stage $stage \
--nj $nj \
--min-seg-len $min_seg_len \
--train-set $train_set \
--gmm $gmm \
--num-threads-ubm $num_threads_ubm \
--nnet3-affix "$nnet3_affix"
# Some of these destinations are created by run_ivector_common.sh
gmm_dir=exp/${gmm}
graph_dir=$gmm_dir/graph_tg
ali_dir=exp/${gmm}_ali_${train_set}_sp_comb
dir=exp/nnet3${nnet3_affix}/tdnn${tdnn_affix}_sp
train_data_dir=data/${train_set}_sp_hires_comb
train_ivector_dir=exp/nnet3${nnet3_affix}/ivectors_${train_set}_sp_hires_comb
for f in $train_data_dir/feats.scp $train_ivector_dir/ivector_online.scp \
$graph_dir/HCLG.fst $ali_dir/ali.1.gz $gmm_dir/final.mdl; do
[ ! -f $f ] && echo "$0: expected file $f to exist" && exit 1
done
if [ $stage -le 12 ]; then
if [[ $(hostname -f) == *.clsp.jhu.edu ]] && [ ! -d $dir/egs/storage ]; then
utils/create_split_dir.pl \
/export/b0{3,5,6}/$USER/kaldi-data/egs/sprakbanken-$(date +'%m_%d_%H_%M')/s5/$dir/egs/storage $dir/egs/storage
fi
steps/nnet3/tdnn/train.sh --stage $train_stage \
--num-epochs $num_epochs --num-jobs-initial 2 --num-jobs-final 12 \
--splice-indexes "$splice_indexes" \
--feat-type raw \
--online-ivector-dir ${train_ivector_dir} \
--cmvn-opts "--norm-means=false --norm-vars=false" \
--initial-effective-lrate 0.0015 --final-effective-lrate 0.00015 \
--cmd "$decode_cmd" \
--relu-dim "$relu_dim" \
--remove-egs "$remove_egs" \
$train_data_dir data/lang $ali_dir $dir
fi
if [ $stage -le 13 ]; then
rm $dir/.error || true 2>/dev/null
(
steps/nnet3/decode.sh --nj 7 --cmd "$decode_cmd" --num-threads 4 \
--online-ivector-dir exp/nnet3${nnet3_affix}/ivectors_test_hires \
${graph_dir} data/test_hires ${dir}/decode_test || exit 1
steps/nnet3/decode.sh --nj 12 --cmd "$decode_cmd" --num-threads 4 \
--online-ivector-dir exp/nnet3${nnet3_affix}/ivectors_dev_hires \
${graph_dir} data/dev_hires ${dir}/decode_dev || exit 1
) || touch $dir/.error &
wait
[ -f $dir/.error ] && echo "$0: there was a problem while decoding" && exit 1
fi
exit 0;