Upload folder using huggingface_hub

.flake8

@@ -0,0 +1,35 @@
+[flake8]
+show-source=true
+statistics=true
+max-line-length = 88
+per-file-ignores =
+    # line too long
+    icefall/diagnostics.py: E501,
+    egs/*/ASR/*/conformer.py: E501,
+    egs/*/ASR/pruned_transducer_stateless*/*.py: E501,
+    egs/*/ASR/*/optim.py: E501,
+    egs/*/ASR/*/scaling.py: E501,
+    egs/librispeech/ASR/lstm_transducer_stateless*/*.py: E501, E203
+    egs/librispeech/ASR/conv_emformer_transducer_stateless*/*.py: E501, E203
+    egs/librispeech/ASR/conformer_ctc*/*py: E501,
+    egs/librispeech/ASR/zipformer_mmi/*.py: E501, E203
+    egs/librispeech/ASR/zipformer/*.py: E501, E203
+    egs/librispeech/ASR/RESULTS.md: E999,
+    egs/ljspeech/TTS/vits/*.py: E501, E203
+    # invalid escape sequence (cause by tex formular), W605
+    icefall/utils.py: E501, W605
+
+exclude =
+  .git,
+  **/data/**,
+  icefall/shared/make_kn_lm.py,
+  icefall/__init__.py
+  icefall/ctc/__init__.py
+
+ignore =
+  # E203 white space before ":"
+  E203,
+  # W503 line break before binary operator
+  W503,
+  # E226 missing whitespace around arithmetic operator
+  E226,

.git-blame-ignore-revs

@@ -0,0 +1,3 @@
+# Migrate to 88 characters per line (see: https://github.com/lhotse-speech/lhotse/issues/890)
+107df3b115a58f1b68a6458c3f94a130004be34c
+d31db010371a4128856480382876acdc0d1739ed

.github/scripts/.gitignore

@@ -0,0 +1 @@
+piper_phonemize.html

.github/scripts/aishell/ASR/run.sh

@@ -0,0 +1,343 @@
+#!/usr/bin/env bash
+
+set -ex
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/aishell/ASR
+
+function download_test_dev_manifests() {
+  git lfs install
+
+  fbank_url=https://huggingface.co/csukuangfj/aishell-test-dev-manifests
+  log "Downloading pre-commputed fbank from $fbank_url"
+
+  git clone https://huggingface.co/csukuangfj/aishell-test-dev-manifests
+  ln -s $PWD/aishell-test-dev-manifests/data .
+}
+
+function test_transducer_stateless3_2022_06_20() {
+  repo_url=https://huggingface.co/csukuangfj/icefall-aishell-pruned-transducer-stateless3-2022-06-20
+  log "Downloading pre-trained model from $repo_url"
+  git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  pushd $repo/exp
+  ln -s pretrained-epoch-29-avg-5-torch-1.10.0.pt pretrained.pt
+  popd
+
+  log "test greedy_search with pretrained.py"
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./pruned_transducer_stateless3/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --lang-dir $repo/data/lang_char \
+      $repo/test_wavs/BAC009S0764W0121.wav \
+      $repo/test_wavs/BAC009S0764W0122.wav \
+      $repo/test_wavs/BAC009S0764W0123.wav
+  done
+
+  log "test beam search with pretrained.py"
+
+  for method in modified_beam_search beam_search fast_beam_search; do
+    log "$method"
+
+    ./pruned_transducer_stateless3/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --lang-dir $repo/data/lang_char \
+      $repo/test_wavs/BAC009S0764W0121.wav \
+      $repo/test_wavs/BAC009S0764W0122.wav \
+      $repo/test_wavs/BAC009S0764W0123.wav
+  done
+
+  echo "GITHUB_EVENT_NAME: ${GITHUB_EVENT_NAME}"
+  echo "GITHUB_EVENT_LABEL_NAME: ${GITHUB_EVENT_LABEL_NAME}"
+  if [[ x"${GITHUB_EVENT_NAME}" == x"schedule" || x"${GITHUB_EVENT_LABEL_NAME}" == x"run-decode"  ]]; then
+    mkdir -p pruned_transducer_stateless3/exp
+    ln -s $PWD/$repo/exp/pretrained.pt pruned_transducer_stateless3/exp/epoch-999.pt
+    ln -s $PWD/$repo/data/lang_char data/
+
+    ls -lh data
+    ls -lh pruned_transducer_stateless3/exp
+
+    log "Decoding test and dev"
+
+    # use a small value for decoding with CPU
+    max_duration=100
+
+    for method in greedy_search fast_beam_search modified_beam_search; do
+      log "Decoding with $method"
+
+      ./pruned_transducer_stateless3/decode.py \
+        --decoding-method $method \
+        --epoch 999 \
+        --avg 1 \
+        --max-duration $max_duration \
+        --exp-dir pruned_transducer_stateless3/exp
+    done
+
+    rm pruned_transducer_stateless3/exp/*.pt
+  fi
+
+  rm -rf $repo
+}
+
+function test_zipformer_large_2023_10_24() {
+  log "CI testing large model"
+  repo_url=https://huggingface.co/zrjin/icefall-asr-aishell-zipformer-large-2023-10-24/
+  log "Downloading pre-trained model from $repo_url"
+  git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  for method in modified_beam_search greedy_search fast_beam_search; do
+    log "$method"
+
+    ./zipformer/pretrained.py \
+      --method $method \
+      --context-size 1 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_char/tokens.txt \
+      --num-encoder-layers 2,2,4,5,4,2 \
+      --feedforward-dim 512,768,1536,2048,1536,768 \
+      --encoder-dim 192,256,512,768,512,256 \
+      --encoder-unmasked-dim 192,192,256,320,256,192 \
+      $repo/test_wavs/BAC009S0764W0121.wav \
+      $repo/test_wavs/BAC009S0764W0122.wav \
+      $repo/test_wavs/BAC009S0764W0123.wav
+  done
+  rm -rf $repo
+}
+
+function test_zipformer_2023_10_24() {
+  repo_url=https://huggingface.co/zrjin/icefall-asr-aishell-zipformer-2023-10-24/
+  log "Downloading pre-trained model from $repo_url"
+  git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+
+  for method in modified_beam_search greedy_search fast_beam_search; do
+    log "$method"
+
+    ./zipformer/pretrained.py \
+      --method $method \
+      --context-size 1 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_char/tokens.txt \
+      $repo/test_wavs/BAC009S0764W0121.wav \
+      $repo/test_wavs/BAC009S0764W0122.wav \
+      $repo/test_wavs/BAC009S0764W0123.wav
+  done
+  rm -rf $repo
+}
+
+function test_zipformer_small_2023_10_24() {
+  log "CI testing small model"
+  repo_url=https://huggingface.co/zrjin/icefall-asr-aishell-zipformer-small-2023-10-24/
+  log "Downloading pre-trained model from $repo_url"
+  git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+
+  for method in modified_beam_search greedy_search fast_beam_search; do
+    log "$method"
+
+    ./zipformer/pretrained.py \
+      --method $method \
+      --context-size 1 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_char/tokens.txt \
+      --num-encoder-layers 2,2,2,2,2,2 \
+      --feedforward-dim 512,768,768,768,768,768 \
+      --encoder-dim 192,256,256,256,256,256 \
+      --encoder-unmasked-dim 192,192,192,192,192,192 \
+      $repo/test_wavs/BAC009S0764W0121.wav \
+      $repo/test_wavs/BAC009S0764W0122.wav \
+      $repo/test_wavs/BAC009S0764W0123.wav
+  done
+  rm -rf $repo
+}
+
+function test_transducer_stateless_modified_2022_03_01() {
+  repo_url=https://huggingface.co/csukuangfj/icefall-aishell-transducer-stateless-modified-2022-03-01
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./transducer_stateless_modified/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --lang-dir $repo/data/lang_char \
+      $repo/test_wavs/BAC009S0764W0121.wav \
+      $repo/test_wavs/BAC009S0764W0122.wav \
+      $repo/test_wavs/BAC009S0764W0123.wav
+  done
+
+  for method in modified_beam_search beam_search; do
+    log "$method"
+
+    ./transducer_stateless_modified/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --lang-dir $repo/data/lang_char \
+      $repo/test_wavs/BAC009S0764W0121.wav \
+      $repo/test_wavs/BAC009S0764W0122.wav \
+      $repo/test_wavs/BAC009S0764W0123.wav
+  done
+  rm -rf $repo
+}
+
+function test_transducer_stateless_modified_2_2022_03_01() {
+  repo_url=https://huggingface.co/csukuangfj/icefall-aishell-transducer-stateless-modified-2-2022-03-01
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./transducer_stateless_modified-2/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --lang-dir $repo/data/lang_char \
+      $repo/test_wavs/BAC009S0764W0121.wav \
+      $repo/test_wavs/BAC009S0764W0122.wav \
+      $repo/test_wavs/BAC009S0764W0123.wav
+  done
+
+  for method in modified_beam_search beam_search; do
+    log "$method"
+
+    ./transducer_stateless_modified-2/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --lang-dir $repo/data/lang_char \
+      $repo/test_wavs/BAC009S0764W0121.wav \
+      $repo/test_wavs/BAC009S0764W0122.wav \
+      $repo/test_wavs/BAC009S0764W0123.wav
+  done
+  rm -rf $repo
+}
+
+function test_conformer_ctc() {
+  repo_url=https://huggingface.co/csukuangfj/icefall_asr_aishell_conformer_ctc
+  log "Downloading pre-trained model from $repo_url"
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  repo=$(basename $repo_url)
+  pushd $repo
+
+  git lfs pull --include "exp/pretrained.pt"
+  git lfs pull --include "data/lang_char/H.fst"
+  git lfs pull --include "data/lang_char/HL.fst"
+  git lfs pull --include "data/lang_char/HLG.fst"
+
+  popd
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  log "CTC decoding"
+
+  log "Exporting model with torchscript"
+
+  pushd $repo/exp
+  ln -s pretrained.pt epoch-99.pt
+  popd
+
+  ./conformer_ctc/export.py \
+    --epoch 99 \
+    --avg 1 \
+    --exp-dir $repo/exp \
+    --tokens $repo/data/lang_char/tokens.txt \
+    --jit 1
+
+  ls -lh $repo/exp
+
+  ls -lh $repo/data/lang_char
+
+  log "Decoding with H on CPU with OpenFst"
+
+  ./conformer_ctc/jit_pretrained_decode_with_H.py \
+    --nn-model $repo/exp/cpu_jit.pt \
+    --H $repo/data/lang_char/H.fst \
+    --tokens $repo/data/lang_char/tokens.txt \
+    $repo/test_wavs/0.wav \
+    $repo/test_wavs/1.wav \
+    $repo/test_wavs/2.wav
+
+  log "Decoding with HL on CPU with OpenFst"
+
+  ./conformer_ctc/jit_pretrained_decode_with_HL.py \
+    --nn-model $repo/exp/cpu_jit.pt \
+    --HL $repo/data/lang_char/HL.fst \
+    --words $repo/data/lang_char/words.txt \
+    $repo/test_wavs/0.wav \
+    $repo/test_wavs/1.wav \
+    $repo/test_wavs/2.wav
+
+  log "Decoding with HLG on CPU with OpenFst"
+
+  ./conformer_ctc/jit_pretrained_decode_with_HLG.py \
+    --nn-model $repo/exp/cpu_jit.pt \
+    --HLG $repo/data/lang_char/HLG.fst \
+    --words $repo/data/lang_char/words.txt \
+    $repo/test_wavs/0.wav \
+    $repo/test_wavs/1.wav \
+    $repo/test_wavs/2.wav
+
+  rm -rf $repo
+}
+
+download_test_dev_manifests
+test_transducer_stateless3_2022_06_20
+test_zipformer_large_2023_10_24
+test_zipformer_2023_10_24
+test_zipformer_small_2023_10_24
+test_transducer_stateless_modified_2022_03_01
+test_transducer_stateless_modified_2_2022_03_01
+# test_conformer_ctc # fails for torch 1.13.x and torch 2.0.x

.github/scripts/audioset/AT/run.sh

@@ -0,0 +1,94 @@
+#!/usr/bin/env bash
+
+set -ex
+
+python3 -m pip install onnxoptimizer onnxsim
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/audioset/AT
+
+function test_pretrained() {
+  repo_url=https://huggingface.co/marcoyang/icefall-audio-tagging-audioset-zipformer-2024-03-12
+  repo=$(basename $repo_url)
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  pushd $repo/exp
+  git lfs pull --include pretrained.pt
+  ln -s pretrained.pt epoch-99.pt
+  ls -lh
+  popd
+
+  log "test pretrained.pt"
+
+  python3 zipformer/pretrained.py \
+    --checkpoint $repo/exp/pretrained.pt \
+    --label-dict $repo/data/class_labels_indices.csv \
+    $repo/test_wavs/1.wav \
+    $repo/test_wavs/2.wav \
+    $repo/test_wavs/3.wav \
+    $repo/test_wavs/4.wav
+
+  log "test jit export"
+  ls -lh $repo/exp/
+  python3 zipformer/export.py \
+      --exp-dir $repo/exp \
+      --epoch 99 \
+      --avg 1 \
+      --use-averaged-model 0 \
+      --jit 1
+  ls -lh $repo/exp/
+
+  log "test jit models"
+  python3 zipformer/jit_pretrained.py \
+      --nn-model-filename $repo/exp/jit_script.pt \
+      --label-dict $repo/data/class_labels_indices.csv \
+      $repo/test_wavs/1.wav \
+      $repo/test_wavs/2.wav \
+      $repo/test_wavs/3.wav \
+      $repo/test_wavs/4.wav
+
+  log "test onnx export"
+  ls -lh $repo/exp/
+  python3 zipformer/export-onnx.py \
+      --exp-dir $repo/exp \
+      --epoch 99 \
+      --avg 1 \
+      --use-averaged-model 0
+
+  ls -lh $repo/exp/
+
+  pushd $repo/exp/
+  mv model-epoch-99-avg-1.onnx model.onnx
+  mv model-epoch-99-avg-1.int8.onnx model.int8.onnx
+  popd
+
+  ls -lh $repo/exp/
+
+  log "test onnx models"
+  for m in model.onnx model.int8.onnx; do
+    log "$m"
+    python3 zipformer/onnx_pretrained.py \
+        --model-filename $repo/exp/model.onnx \
+        --label-dict $repo/data/class_labels_indices.csv \
+        $repo/test_wavs/1.wav \
+        $repo/test_wavs/2.wav \
+        $repo/test_wavs/3.wav \
+        $repo/test_wavs/4.wav
+  done
+
+  log "prepare data for uploading to huggingface"
+  dst=/icefall/model-onnx
+  mkdir -p $dst
+  cp -v $repo/exp/*.onnx $dst/
+  cp -v $repo/data/* $dst/
+  cp -av $repo/test_wavs $dst
+
+  ls -lh $dst
+  ls -lh $dst/test_wavs
+}
+
+test_pretrained

.github/scripts/baker_zh/TTS/run-matcha.sh

@@ -0,0 +1,167 @@
+#!/usr/bin/env bash
+
+set -ex
+
+apt-get update
+apt-get install -y sox
+
+python3 -m pip install numba conformer==0.3.2 diffusers librosa
+python3 -m pip install jieba
+
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/baker_zh/TTS
+
+sed -i.bak s/600/8/g ./prepare.sh
+sed -i.bak s/"first 100"/"first 3"/g ./prepare.sh
+sed -i.bak s/500/5/g ./prepare.sh
+git diff
+
+function prepare_data() {
+  # We have created a subset of the data for testing
+  #
+  mkdir -p download
+  pushd download
+  wget -q https://huggingface.co/csukuangfj/tmp-files/resolve/main/BZNSYP-samples.tar.bz2
+  tar xvf BZNSYP-samples.tar.bz2
+  mv BZNSYP-samples BZNSYP
+  rm BZNSYP-samples.tar.bz2
+  popd
+
+  ./prepare.sh
+  tree .
+}
+
+function train() {
+  pushd ./matcha
+  sed -i.bak s/1500/3/g ./train.py
+  git diff .
+  popd
+
+  ./matcha/train.py \
+    --exp-dir matcha/exp \
+    --num-epochs 1 \
+    --save-every-n 1 \
+    --num-buckets 2 \
+    --tokens data/tokens.txt \
+    --max-duration 20
+
+    ls -lh matcha/exp
+}
+
+function infer() {
+  curl -SL -O https://github.com/csukuangfj/models/raw/refs/heads/master/hifigan/generator_v2
+
+  ./matcha/infer.py \
+    --num-buckets 2 \
+    --epoch 1 \
+    --exp-dir ./matcha/exp \
+    --tokens data/tokens.txt \
+    --cmvn ./data/fbank/cmvn.json \
+    --vocoder ./generator_v2 \
+    --input-text "当夜幕降临，星光点点，伴随着微风拂面，我在静谧中感受着时光的流转，思念如涟漪荡漾，梦境如画卷展开，我与自然融为一体，沉静在这片宁静的美丽之中，感受着生命的奇迹与温柔。" \
+    --output-wav ./generated.wav
+
+  ls -lh *.wav
+  soxi ./generated.wav
+  rm -v ./generated.wav
+  rm -v generator_v2
+}
+
+function export_onnx() {
+  pushd matcha/exp
+  curl -SL -O https://huggingface.co/csukuangfj/icefall-tts-baker-matcha-zh-2024-12-27/resolve/main/epoch-2000.pt
+  popd
+
+  pushd data/fbank
+  rm -v *.json
+  curl -SL -O https://huggingface.co/csukuangfj/icefall-tts-baker-matcha-zh-2024-12-27/resolve/main/cmvn.json
+  popd
+
+  ./matcha/export_onnx.py \
+    --exp-dir ./matcha/exp \
+    --epoch 2000 \
+    --tokens ./data/tokens.txt \
+    --cmvn ./data/fbank/cmvn.json
+
+  ls -lh *.onnx
+
+  if false; then
+    # The CI machine does not have enough memory to run it
+    #
+    curl -SL -O https://github.com/csukuangfj/models/raw/refs/heads/master/hifigan/generator_v1
+    curl -SL -O https://github.com/csukuangfj/models/raw/refs/heads/master/hifigan/generator_v2
+    curl -SL -O https://github.com/csukuangfj/models/raw/refs/heads/master/hifigan/generator_v3
+    python3 ./matcha/export_onnx_hifigan.py
+  else
+    curl -SL -O https://huggingface.co/csukuangfj/icefall-tts-ljspeech-matcha-en-2024-10-28/resolve/main/exp/hifigan_v1.onnx
+    curl -SL -O https://huggingface.co/csukuangfj/icefall-tts-ljspeech-matcha-en-2024-10-28/resolve/main/exp/hifigan_v2.onnx
+    curl -SL -O https://huggingface.co/csukuangfj/icefall-tts-ljspeech-matcha-en-2024-10-28/resolve/main/exp/hifigan_v3.onnx
+  fi
+
+  ls -lh *.onnx
+
+  python3 ./matcha/generate_lexicon.py
+
+  for v in v1 v2 v3; do
+    python3 ./matcha/onnx_pretrained.py \
+     --acoustic-model ./model-steps-6.onnx \
+     --vocoder ./hifigan_$v.onnx \
+     --tokens ./data/tokens.txt \
+     --lexicon ./lexicon.txt \
+     --input-text "当夜幕降临，星光点点，伴随着微风拂面，我在静谧中感受着时光的流转，思念如涟漪荡漾，梦境如画卷展开，我与自然融为一体，沉静在这片宁静的美丽之中，感受着生命的奇迹与温柔。" \
+     --output-wav /icefall/generated-matcha-tts-steps-6-$v.wav
+  done
+
+  ls -lh /icefall/*.wav
+  soxi /icefall/generated-matcha-tts-steps-6-*.wav
+  cp ./model-steps-*.onnx /icefall
+
+  d=matcha-icefall-zh-baker
+  mkdir $d
+  cp -v data/tokens.txt $d
+  cp -v lexicon.txt $d
+  cp model-steps-3.onnx $d
+  pushd $d
+  curl -SL -O https://github.com/csukuangfj/cppjieba/releases/download/sherpa-onnx-2024-04-19/dict.tar.bz2
+  tar xvf dict.tar.bz2
+  rm dict.tar.bz2
+
+  curl -SL -O https://huggingface.co/csukuangfj/icefall-tts-aishell3-vits-low-2024-04-06/resolve/main/data/date.fst
+  curl -SL -O https://huggingface.co/csukuangfj/icefall-tts-aishell3-vits-low-2024-04-06/resolve/main/data/number.fst
+  curl -SL -O https://huggingface.co/csukuangfj/icefall-tts-aishell3-vits-low-2024-04-06/resolve/main/data/phone.fst
+
+cat >README.md <<EOF
+# Introduction
+
+This model is trained using the dataset from
+https://en.data-baker.com/datasets/freeDatasets/
+
+The dataset contains 10000 Chinese sentences of a native Chinese female speaker,
+which is about 12 hours.
+
+**Note**: The dataset is for non-commercial use only.
+
+You can find the training code at
+https://github.com/k2-fsa/icefall/tree/master/egs/baker_zh/TTS
+EOF
+
+  ls -lh
+  popd
+  tar cvjf $d.tar.bz2 $d
+  mv $d.tar.bz2 /icefall
+  mv $d /icefall
+}
+
+prepare_data
+train
+infer
+export_onnx
+
+rm -rfv generator_v* matcha/exp
+git checkout .

.github/scripts/compute-fbank-librispeech-test-clean-and-test-other.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+# This script computes fbank features for the test-clean and test-other datasets.
+# The computed features are saved to ~/tmp/fbank-libri and are
+# cached for later runs
+
+set -e
+
+export PYTHONPATH=$PWD:$PYTHONPATH
+echo $PYTHONPATH
+
+mkdir ~/tmp/fbank-libri
+cd egs/librispeech/ASR
+mkdir -p data
+cd data
+[ ! -e fbank ] && ln -s ~/tmp/fbank-libri fbank
+cd ..
+./local/compute_fbank_librispeech.py --dataset 'test-clean test-other'
+ls -lh data/fbank/

.github/scripts/docker/Dockerfile

@@ -0,0 +1,75 @@
+ARG PYTHON_VERSION=3.8
+FROM python:${PYTHON_VERSION}
+
+ARG TORCHAUDIO_VERSION="0.13.0"
+ARG TORCH_VERSION="1.13.0"
+ARG K2_VERSION="1.24.4.dev20231220"
+ARG KALDIFEAT_VERSION="1.25.3.dev20231221"
+
+ARG _K2_VERSION="${K2_VERSION}+cpu.torch${TORCH_VERSION}"
+ARG _KALDIFEAT_VERSION="${KALDIFEAT_VERSION}+cpu.torch${TORCH_VERSION}"
+
+RUN apt-get update -y && \
+    apt-get install -qq -y \
+    cmake \
+    ffmpeg \
+    git \
+    git-lfs \
+    graphviz \
+    less \
+    tree \
+    vim \
+    && \
+    apt-get clean && \
+    rm -rf /var/cache/apt/archives /var/lib/apt/lists
+
+
+LABEL authors="Fangjun Kuang <csukuangfj@gmail.com>"
+LABEL k2_version=${_K2_VERSION}
+LABEL kaldifeat_version=${_KALDIFEAT_VERSION}
+LABEL github_repo="https://github.com/k2-fsa/icefall"
+
+# Install dependencies
+RUN pip install --no-cache-dir \
+      torch==${TORCH_VERSION}+cpu -f https://download.pytorch.org/whl/torch \
+      torchaudio==${TORCHAUDIO_VERSION}+cpu -f https://download.pytorch.org/whl/torchaudio \
+      k2==${_K2_VERSION} -f https://k2-fsa.github.io/k2/cpu.html \
+      \
+      git+https://github.com/lhotse-speech/lhotse \
+      kaldifeat==${_KALDIFEAT_VERSION} -f https://csukuangfj.github.io/kaldifeat/cpu.html \
+      conformer==0.3.2 \
+      cython \
+      diffusers \
+      dill \
+      espnet_tts_frontend \
+      graphviz \
+      kaldi-decoder \
+      kaldi_native_io \
+      kaldialign \
+      kaldifst \
+      kaldilm \
+      librosa \
+      "matplotlib<=3.9.4" \
+      multi_quantization \
+      numba \
+      "numpy<2.0" \
+      onnxoptimizer \
+      onnxsim \
+      onnx==1.17.0 \
+      onnxmltools \
+      onnxruntime==1.17.1 \
+      piper_phonemize -f https://k2-fsa.github.io/icefall/piper_phonemize.html \
+      pypinyin==0.50.0 \
+      pytest \
+      sentencepiece>=0.1.96 \
+      six \
+      tensorboard \
+      typeguard
+
+# RUN git clone https://github.com/k2-fsa/icefall /workspace/icefall && \
+#     cd /workspace/icefall && \
+#     pip install --no-cache-dir -r requirements.txt
+#
+# ENV PYTHONPATH /workspace/icefall:$PYTHONPATH
+#
+# WORKDIR /workspace/icefall

.github/scripts/docker/generate_build_matrix.py

@@ -0,0 +1,140 @@
+#!/usr/bin/env python3
+# Copyright    2023  Xiaomi Corp.        (authors: Fangjun Kuang)
+
+
+import argparse
+import json
+
+
+def get_args():
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "--min-torch-version",
+        help="torch version",
+    )
+
+    parser.add_argument(
+        "--torch-version",
+        help="torch version",
+    )
+
+    parser.add_argument(
+        "--python-version",
+        help="python version",
+    )
+    return parser.parse_args()
+
+
+def version_gt(a, b):
+    a_major, a_minor = list(map(int, a.split(".")))[:2]
+    b_major, b_minor = list(map(int, b.split(".")))[:2]
+    if a_major > b_major:
+        return True
+
+    if a_major == b_major and a_minor > b_minor:
+        return True
+
+    return False
+
+
+def version_ge(a, b):
+    a_major, a_minor = list(map(int, a.split(".")))[:2]
+    b_major, b_minor = list(map(int, b.split(".")))[:2]
+    if a_major > b_major:
+        return True
+
+    if a_major == b_major and a_minor >= b_minor:
+        return True
+
+    return False
+
+
+def get_torchaudio_version(torch_version):
+    if torch_version == "1.13.0":
+        return "0.13.0"
+    elif torch_version == "1.13.1":
+        return "0.13.1"
+    elif torch_version == "2.0.0":
+        return "2.0.1"
+    elif torch_version == "2.0.1":
+        return "2.0.2"
+    else:
+        return torch_version
+
+
+def get_matrix(min_torch_version, specified_torch_version, specified_python_version):
+    k2_version = "1.24.4.dev20250630"
+    kaldifeat_version = "1.25.5.dev20250630"
+    version = "20250630"
+
+    # torchaudio 2.5.0 does not support python 3.13
+    python_version = ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+    torch_version = []
+    torch_version += ["1.13.0", "1.13.1"]
+    torch_version += ["2.0.0", "2.0.1"]
+    torch_version += ["2.1.0", "2.1.1", "2.1.2"]
+    torch_version += ["2.2.0", "2.2.1", "2.2.2"]
+    # Test only torch >= 2.3.0
+    torch_version += ["2.3.0", "2.3.1"]
+    torch_version += ["2.4.0"]
+    torch_version += ["2.4.1"]
+    torch_version += ["2.5.0"]
+    torch_version += ["2.5.1"]
+    torch_version += ["2.6.0", "2.7.0", "2.7.1"]
+
+    if specified_torch_version:
+        torch_version = [specified_torch_version]
+
+    if specified_python_version:
+        python_version = [specified_python_version]
+
+    matrix = []
+    for p in python_version:
+        for t in torch_version:
+            if min_torch_version and version_gt(min_torch_version, t):
+                continue
+
+            # torchaudio <= 1.13.x supports only python <= 3.10
+
+            if version_gt(p, "3.10") and not version_gt(t, "2.0"):
+                continue
+
+            # only torch>=2.2.0 supports python 3.12
+            if version_gt(p, "3.11") and not version_gt(t, "2.1"):
+                continue
+
+            if version_gt(p, "3.12") and not version_gt(t, "2.4"):
+                continue
+
+            if version_gt(t, "2.4") and version_gt("3.10", p):
+                # torch>=2.5 requires python 3.10
+                continue
+
+            k2_version_2 = k2_version
+            kaldifeat_version_2 = kaldifeat_version
+
+            matrix.append(
+                {
+                    "k2-version": k2_version_2,
+                    "kaldifeat-version": kaldifeat_version_2,
+                    "version": version,
+                    "python-version": p,
+                    "torch-version": t,
+                    "torchaudio-version": get_torchaudio_version(t),
+                }
+            )
+    return matrix
+
+
+def main():
+    args = get_args()
+    matrix = get_matrix(
+        min_torch_version=args.min_torch_version,
+        specified_torch_version=args.torch_version,
+        specified_python_version=args.python_version,
+    )
+    print(json.dumps({"include": matrix}))
+
+
+if __name__ == "__main__":
+    main()

.github/scripts/download-gigaspeech-dev-test-dataset.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+# This script downloads the pre-computed fbank features for
+# dev and test datasets of GigaSpeech.
+#
+# You will find directories `~/tmp/giga-dev-dataset-fbank` after running
+# this script.
+
+set -e
+
+mkdir -p ~/tmp
+cd ~/tmp
+
+git lfs install
+git clone https://huggingface.co/csukuangfj/giga-dev-dataset-fbank
+
+ls -lh giga-dev-dataset-fbank/data/fbank

.github/scripts/download-librispeech-test-clean-and-test-other-dataset.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+# This script downloads the test-clean and test-other datasets
+# of LibriSpeech and unzip them to the folder ~/tmp/download,
+# which is cached by GitHub actions for later runs.
+#
+# You will find directories ~/tmp/download/LibriSpeech after running
+# this script.
+
+set -e
+
+mkdir ~/tmp/download
+cd egs/librispeech/ASR
+ln -s ~/tmp/download .
+cd download
+wget -q --no-check-certificate https://www.openslr.org/resources/12/test-clean.tar.gz
+tar xf test-clean.tar.gz
+rm test-clean.tar.gz
+
+wget -q --no-check-certificate https://www.openslr.org/resources/12/test-other.tar.gz
+tar xf test-other.tar.gz
+rm test-other.tar.gz
+pwd
+ls -lh
+ls -lh LibriSpeech

.github/scripts/generate-piper-phonemize-page.py

@@ -0,0 +1,90 @@
+#!/usr/bin/env python3
+
+
+def get_v1_2_0_files():
+    prefix = (
+        "https://github.com/csukuangfj/piper-phonemize/releases/download/2023.12.5/"
+    )
+    files = [
+        "piper_phonemize-1.2.0-cp310-cp310-macosx_10_14_x86_64.whl",
+        "piper_phonemize-1.2.0-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl",
+        "piper_phonemize-1.2.0-cp311-cp311-macosx_10_14_x86_64.whl",
+        "piper_phonemize-1.2.0-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl",
+        "piper_phonemize-1.2.0-cp312-cp312-macosx_10_14_x86_64.whl",
+        "piper_phonemize-1.2.0-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl",
+        "piper_phonemize-1.2.0-cp37-cp37m-macosx_10_14_x86_64.whl",
+        "piper_phonemize-1.2.0-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl",
+        "piper_phonemize-1.2.0-cp38-cp38-macosx_10_14_x86_64.whl",
+        "piper_phonemize-1.2.0-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl",
+        "piper_phonemize-1.2.0-cp39-cp39-macosx_10_14_x86_64.whl",
+        "piper_phonemize-1.2.0-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl",
+    ]
+    ans = [prefix + f for f in files]
+    ans.sort()
+    return ans
+
+
+def get_v1_3_0_files():
+    prefix = (
+        "https://github.com/csukuangfj/piper-phonemize/releases/download/2025.06.23/"
+    )
+    files = [
+        "piper_phonemize-1.3.0-cp310-cp310-macosx_10_9_universal2.whl",
+        "piper_phonemize-1.3.0-cp310-cp310-macosx_10_9_x86_64.whl",
+        "piper_phonemize-1.3.0-cp310-cp310-macosx_11_0_arm64.whl",
+        "piper_phonemize-1.3.0-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl",
+        "piper_phonemize-1.3.0-cp310-cp310-manylinux_2_17_i686.manylinux2014_i686.whl",
+        "piper_phonemize-1.3.0-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl",
+        "piper_phonemize-1.3.0-cp310-cp310-win_amd64.whl",
+        "piper_phonemize-1.3.0-cp311-cp311-macosx_10_9_universal2.whl",
+        "piper_phonemize-1.3.0-cp311-cp311-macosx_10_9_x86_64.whl",
+        "piper_phonemize-1.3.0-cp311-cp311-macosx_11_0_arm64.whl",
+        "piper_phonemize-1.3.0-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl",
+        "piper_phonemize-1.3.0-cp311-cp311-manylinux_2_17_i686.manylinux2014_i686.whl",
+        "piper_phonemize-1.3.0-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl",
+        "piper_phonemize-1.3.0-cp311-cp311-win_amd64.whl",
+        "piper_phonemize-1.3.0-cp312-cp312-macosx_10_13_universal2.whl",
+        "piper_phonemize-1.3.0-cp312-cp312-macosx_10_13_x86_64.whl",
+        "piper_phonemize-1.3.0-cp312-cp312-macosx_11_0_arm64.whl",
+        "piper_phonemize-1.3.0-cp312-cp312-manylinux_2_17_aarch64.manylinux2014_aarch64.whl",
+        "piper_phonemize-1.3.0-cp312-cp312-manylinux_2_17_i686.manylinux2014_i686.whl",
+        "piper_phonemize-1.3.0-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl",
+        "piper_phonemize-1.3.0-cp312-cp312-win_amd64.whl",
+        "piper_phonemize-1.3.0-cp313-cp313-macosx_10_13_universal2.whl",
+        "piper_phonemize-1.3.0-cp313-cp313-macosx_10_13_x86_64.whl",
+        "piper_phonemize-1.3.0-cp313-cp313-macosx_11_0_arm64.whl",
+        "piper_phonemize-1.3.0-cp313-cp313-manylinux_2_17_aarch64.manylinux2014_aarch64.whl",
+        "piper_phonemize-1.3.0-cp313-cp313-manylinux_2_17_i686.manylinux2014_i686.whl",
+        "piper_phonemize-1.3.0-cp313-cp313-manylinux_2_17_x86_64.manylinux2014_x86_64.whl",
+        "piper_phonemize-1.3.0-cp313-cp313-win_amd64.whl",
+        "piper_phonemize-1.3.0-cp38-cp38-macosx_10_9_universal2.whl",
+        "piper_phonemize-1.3.0-cp38-cp38-macosx_10_9_x86_64.whl",
+        "piper_phonemize-1.3.0-cp38-cp38-macosx_11_0_arm64.whl",
+        "piper_phonemize-1.3.0-cp38-cp38-manylinux_2_17_aarch64.manylinux2014_aarch64.whl",
+        "piper_phonemize-1.3.0-cp38-cp38-manylinux_2_17_i686.manylinux2014_i686.whl",
+        "piper_phonemize-1.3.0-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl",
+        "piper_phonemize-1.3.0-cp38-cp38-win_amd64.whl",
+        "piper_phonemize-1.3.0-cp39-cp39-macosx_10_9_universal2.whl",
+        "piper_phonemize-1.3.0-cp39-cp39-macosx_10_9_x86_64.whl",
+        "piper_phonemize-1.3.0-cp39-cp39-macosx_11_0_arm64.whl",
+        "piper_phonemize-1.3.0-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl",
+        "piper_phonemize-1.3.0-cp39-cp39-manylinux_2_17_i686.manylinux2014_i686.whl",
+        "piper_phonemize-1.3.0-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl",
+        "piper_phonemize-1.3.0-cp39-cp39-win_amd64.whl",
+    ]
+    ans = [prefix + f for f in files]
+    ans.sort()
+    return ans
+
+
+def main():
+    files = get_v1_3_0_files() + get_v1_2_0_files()
+
+    with open("piper_phonemize.html", "w") as f:
+        for url in files:
+            file = url.split("/")[-1]
+            f.write(f'<a href="{url}">{file}</a><br/>\n')
+
+
+if __name__ == "__main__":
+    main()

.github/scripts/install-kaldifeat.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+# This script installs kaldifeat into the directory ~/tmp/kaldifeat
+# which is cached by GitHub actions for later runs.
+
+set -e
+
+mkdir -p ~/tmp
+cd ~/tmp
+git clone https://github.com/csukuangfj/kaldifeat
+cd kaldifeat
+mkdir build
+cd build
+cmake -DCMAKE_BUILD_TYPE=Release ..
+make -j2 _kaldifeat

.github/scripts/ksponspeech/ASR/run.sh

@@ -0,0 +1,132 @@
+#!/usr/bin/env bash
+
+set -ex
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/ksponspeech/ASR
+
+
+function test_pretrained_non_streaming() {
+  git lfs install
+  git clone https://huggingface.co/johnBamma/icefall-asr-ksponspeech-zipformer-2024-06-24
+  repo=icefall-asr-ksponspeech-zipformer-2024-06-24
+  pushd $repo
+  mkdir test_wavs
+  cd test_wavs
+  curl -SL -O https://huggingface.co/k2-fsa/sherpa-onnx-streaming-zipformer-korean-2024-06-16/resolve/main/test_wavs/0.wav
+  curl -SL -O https://huggingface.co/k2-fsa/sherpa-onnx-streaming-zipformer-korean-2024-06-16/resolve/main/test_wavs/1.wav
+  curl -SL -O https://huggingface.co/k2-fsa/sherpa-onnx-streaming-zipformer-korean-2024-06-16/resolve/main/test_wavs/2.wav
+  curl -SL -O https://huggingface.co/k2-fsa/sherpa-onnx-streaming-zipformer-korean-2024-06-16/resolve/main/test_wavs/3.wav
+  curl -SL -O https://huggingface.co/k2-fsa/sherpa-onnx-streaming-zipformer-korean-2024-06-16/resolve/main/test_wavs/trans.txt
+  cd ../exp
+  ln -s pretrained.pt epoch-99.pt
+  ls -lh
+  popd
+
+  log 'test pretrained.py'
+  ./zipformer/pretrained.py \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_5000/tokens.txt \
+      --method greedy_search \
+      $repo/test_wavs/0.wav \
+      $repo/test_wavs/1.wav \
+      $repo/test_wavs/2.wav \
+      $repo/test_wavs/3.wav
+
+  log 'test export-onnx.py'
+
+  ./zipformer/export-onnx.py \
+    --tokens $repo/data/lang_bpe_5000/tokens.txt \
+    --use-averaged-model 0 \
+    --epoch 99 \
+    --avg 1 \
+    --exp-dir $repo/exp/
+
+  ls -lh $repo/exp
+
+  ls -lh $repo/data/lang_bpe_5000/
+
+  log 'test exported onnx models'
+  ./zipformer/onnx_pretrained.py \
+    --encoder-model-filename $repo/exp/encoder-epoch-99-avg-1.onnx \
+    --decoder-model-filename $repo/exp/decoder-epoch-99-avg-1.onnx \
+    --joiner-model-filename $repo/exp/joiner-epoch-99-avg-1.onnx \
+    --tokens $repo/data/lang_bpe_5000/tokens.txt \
+    $repo/test_wavs/0.wav
+
+  dst=/tmp/model-2024-06-24
+  mkdir -p $dst
+
+  cp -av $repo/test_wavs $dst
+  cp -v $repo/exp/*.onnx $dst
+  cp -v $repo/exp/*.onnx $dst
+  cp -v $repo/data/lang_bpe_5000/tokens.txt $dst
+  cp -v $repo/data/lang_bpe_5000/bpe.model $dst
+  rm -rf $repo
+}
+
+function test_pretrained_streaming() {
+  git lfs install
+  git clone https://huggingface.co/johnBamma/icefall-asr-ksponspeech-pruned-transducer-stateless7-streaming-2024-06-12
+  repo=icefall-asr-ksponspeech-pruned-transducer-stateless7-streaming-2024-06-12
+  pushd $repo
+  mkdir test_wavs
+  cd test_wavs
+  curl -SL -O https://huggingface.co/k2-fsa/sherpa-onnx-streaming-zipformer-korean-2024-06-16/resolve/main/test_wavs/0.wav
+  curl -SL -O https://huggingface.co/k2-fsa/sherpa-onnx-streaming-zipformer-korean-2024-06-16/resolve/main/test_wavs/1.wav
+  curl -SL -O https://huggingface.co/k2-fsa/sherpa-onnx-streaming-zipformer-korean-2024-06-16/resolve/main/test_wavs/2.wav
+  curl -SL -O https://huggingface.co/k2-fsa/sherpa-onnx-streaming-zipformer-korean-2024-06-16/resolve/main/test_wavs/3.wav
+  cd ../exp
+  ln -s pretrained.pt epoch-99.pt
+  ls -lh
+  popd
+
+  log 'test pretrained.py'
+  ./pruned_transducer_stateless7_streaming/pretrained.py \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_5000/tokens.txt \
+      --method greedy_search \
+      $repo/test_wavs/0.wav \
+      $repo/test_wavs/1.wav \
+      $repo/test_wavs/2.wav \
+      $repo/test_wavs/3.wav
+
+  log 'test export-onnx.py'
+
+  ./pruned_transducer_stateless7_streaming/export-onnx.py \
+    --tokens $repo/data/lang_bpe_5000/tokens.txt \
+    --use-averaged-model 0 \
+    --epoch 99 \
+    --avg 1 \
+    --decode-chunk-len 32 \
+    --exp-dir $repo/exp/
+
+  ls -lh $repo/exp
+
+  ls -lh $repo/data/lang_bpe_5000/
+
+  log 'test exported onnx models'
+  ./pruned_transducer_stateless7_streaming/onnx_pretrained.py \
+    --encoder-model-filename $repo/exp/encoder-epoch-99-avg-1.onnx \
+    --decoder-model-filename $repo/exp/decoder-epoch-99-avg-1.onnx \
+    --joiner-model-filename $repo/exp/joiner-epoch-99-avg-1.onnx \
+    --tokens $repo/data/lang_bpe_5000/tokens.txt \
+    $repo/test_wavs/0.wav
+
+  dst=/tmp/model-2024-06-16
+  mkdir -p $dst
+
+  cp -v $repo/exp/*.onnx $dst
+  cp -v $repo/exp/*.onnx $dst
+  cp -v $repo/data/lang_bpe_5000/tokens.txt $dst
+  cp -v $repo/data/lang_bpe_5000/bpe.model $dst
+  rm -rf $repo
+}
+
+test_pretrained_non_streaming
+test_pretrained_streaming

.github/scripts/librispeech/ASR/run.sh

@@ -0,0 +1,1644 @@
+#!/usr/bin/env bash
+
+set -ex
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/librispeech/ASR
+
+function prepare_data() {
+  # We don't download the LM file since it is so large that it will
+  # cause OOM error for CI later.
+  mkdir -p download/lm
+  pushd download/lm
+  wget -q https://huggingface.co/csukuangfj/librispeech-for-ci/resolve/main/librispeech-lm-norm.txt.gz
+  wget -q https://huggingface.co/csukuangfj/librispeech-for-ci/resolve/main/librispeech-lexicon.txt
+  wget -q https://huggingface.co/csukuangfj/librispeech-for-ci/resolve/main/librispeech-vocab.txt
+  ls -lh
+  gunzip librispeech-lm-norm.txt.gz
+
+  ls -lh
+  popd
+
+  pushd download/
+  wget -q https://huggingface.co/csukuangfj/librispeech-for-ci/resolve/main/LibriSpeech.tar.bz2
+  tar xf LibriSpeech.tar.bz2
+  rm LibriSpeech.tar.bz2
+
+  cd LibriSpeech
+  ln -s train-clean-100 train-clean-360
+  ln -s train-other-500 train-other-500
+  popd
+
+  mkdir -p data/manifests
+
+  lhotse prepare librispeech -j 2 -p dev-clean -p dev-other -p test-clean -p test-other -p train-clean-100 download/LibriSpeech data/manifests
+  ls -lh data/manifests
+
+  ./local/compute_fbank_librispeech.py --dataset "dev-clean dev-other test-clean test-other train-clean-100" --perturb-speed False
+  ls -lh data/fbank
+
+  ./prepare.sh --stage 5 --stop-stage 6
+}
+
+function run_diagnostics() {
+  ./zipformer/train.py \
+    --world-size 1 \
+    --num-epochs 1 \
+    --start-epoch 1 \
+    --use-fp16 0 \
+    --exp-dir zipformer/exp-small \
+    --causal 0 \
+    --num-encoder-layers 1,1,1,1,1,1 \
+    --feedforward-dim 64,96,96,96,96,96 \
+    --encoder-dim 32,64,64,64,64,64 \
+    --encoder-unmasked-dim 32,32,32,32,32,32 \
+    --base-lr 0.04 \
+    --full-libri 0 \
+    --enable-musan 0 \
+    --max-duration 30 \
+    --print-diagnostics 1
+}
+
+function test_streaming_zipformer_ctc_hlg() {
+  repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-streaming-zipformer-small-2024-03-18
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  git clone $repo_url
+  repo=$(basename $repo_url)
+
+  rm $repo/exp-ctc-rnnt-small/*.onnx
+  ls -lh $repo/exp-ctc-rnnt-small
+
+  # export models to onnx
+  ./zipformer/export-onnx-streaming-ctc.py \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --epoch 30 \
+    --avg 3 \
+    --exp-dir $repo/exp-ctc-rnnt-small \
+    --causal 1 \
+    --use-ctc 1 \
+    --chunk-size 16 \
+    --left-context-frames 128 \
+    \
+    --num-encoder-layers 2,2,2,2,2,2 \
+    --feedforward-dim 512,768,768,768,768,768 \
+    --encoder-dim 192,256,256,256,256,256 \
+    --encoder-unmasked-dim 192,192,192,192,192,192
+
+  ls -lh $repo/exp-ctc-rnnt-small
+
+  for wav in 0.wav 1.wav 8k.wav; do
+    python3 ./zipformer/onnx_pretrained_ctc_HLG_streaming.py \
+      --nn-model $repo/exp-ctc-rnnt-small/ctc-epoch-30-avg-3-chunk-16-left-128.int8.onnx \
+      --words $repo/data/lang_bpe_500/words.txt \
+      --HLG $repo/data/lang_bpe_500/HLG.fst \
+      $repo/test_wavs/$wav
+  done
+
+  rm -rf $repo
+}
+
+function test_pruned_transducer_stateless_2022_03_12() {
+  repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-pruned-transducer-stateless-2022-03-12
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./pruned_transducer_stateless/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for method in fast_beam_search modified_beam_search beam_search; do
+    log "$method"
+
+    ./pruned_transducer_stateless/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+  rm -rf $repo
+}
+
+function test_pruned_transducer_stateless2_2022_04_29() {
+  repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-pruned-transducer-stateless2-2022-04-29
+
+  log "Downloading pre-trained model from $repo_url"
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  repo=$(basename $repo_url)
+
+  pushd $repo
+  git lfs pull --include "data/lang_bpe_500/bpe.model"
+  git lfs pull --include "exp/pretrained-epoch-38-avg-10.pt"
+  popd
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  pushd $repo/exp
+  ln -s pretrained-epoch-38-avg-10.pt pretrained.pt
+  popd
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./pruned_transducer_stateless2/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for method in modified_beam_search beam_search fast_beam_search; do
+    log "$method"
+
+    ./pruned_transducer_stateless2/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+  rm -rf $repo
+}
+
+function test_pruned_transducer_stateless3_2022_04_29() {
+  repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-pruned-transducer-stateless3-2022-04-29
+
+  log "Downloading pre-trained model from $repo_url"
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  repo=$(basename $repo_url)
+  pushd $repo
+  git lfs pull --include "data/lang_bpe_500/bpe.model"
+  git lfs pull --include "exp/pretrained-epoch-25-avg-6.pt"
+  popd
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  pushd $repo/exp
+  ln -s pretrained-epoch-25-avg-6.pt pretrained.pt
+  popd
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./pruned_transducer_stateless3/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for method in modified_beam_search beam_search fast_beam_search; do
+    log "$method"
+
+    ./pruned_transducer_stateless3/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+  rm -rf $repo
+}
+
+function test_pruned_transducer_stateless5_2022_05_13() {
+  repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-pruned-transducer-stateless5-2022-05-13
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  pushd $repo/exp
+  ln -s pretrained-epoch-39-avg-7.pt pretrained.pt
+  popd
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./pruned_transducer_stateless5/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      --num-encoder-layers 18 \
+      --dim-feedforward 2048 \
+      --nhead 8 \
+      --encoder-dim 512 \
+      --decoder-dim 512 \
+      --joiner-dim 512 \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for method in modified_beam_search beam_search fast_beam_search; do
+    log "$method"
+
+    ./pruned_transducer_stateless5/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav \
+      --num-encoder-layers 18 \
+      --dim-feedforward 2048 \
+      --nhead 8 \
+      --encoder-dim 512 \
+      --decoder-dim 512 \
+      --joiner-dim 512
+  done
+  rm -rf $repo
+}
+
+function test_pruned_transducer_stateless7_2022_11_11() {
+  repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-pruned-transducer-stateless7-2022-11-11
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  pushd $repo/exp
+  git lfs pull --include "data/lang_bpe_500/bpe.model"
+  git lfs pull --include "exp/cpu_jit.pt"
+  git lfs pull --include "exp/pretrained.pt"
+  ln -s pretrained.pt epoch-99.pt
+  ls -lh *.pt
+  popd
+
+  log "Export to torchscript model"
+  ./pruned_transducer_stateless7/export.py \
+    --exp-dir $repo/exp \
+    --use-averaged-model false \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --epoch 99 \
+    --avg 1 \
+    --jit 1
+
+  ls -lh $repo/exp/*.pt
+
+  log "Decode with models exported by torch.jit.script()"
+
+  ./pruned_transducer_stateless7/jit_pretrained.py \
+    --bpe-model $repo/data/lang_bpe_500/bpe.model \
+    --nn-model-filename $repo/exp/cpu_jit.pt \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./pruned_transducer_stateless7/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for method in modified_beam_search beam_search fast_beam_search; do
+    log "$method"
+
+    ./pruned_transducer_stateless7/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+  rm -rf $repo
+}
+
+function test_pruned_transducer_stateless8_2022_11_14() {
+  repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-pruned-transducer-stateless8-2022-11-14
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  pushd $repo/exp
+  git lfs pull --include "data/lang_bpe_500/bpe.model"
+  git lfs pull --include "exp/cpu_jit.pt"
+  git lfs pull --include "exp/pretrained.pt"
+  ln -s pretrained.pt epoch-99.pt
+  ls -lh *.pt
+  popd
+
+  log "Decode with models exported by torch.jit.script()"
+
+  ./pruned_transducer_stateless8/jit_pretrained.py \
+    --bpe-model $repo/data/lang_bpe_500/bpe.model \
+    --nn-model-filename $repo/exp/cpu_jit.pt \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+
+  log "Export to torchscript model"
+  ./pruned_transducer_stateless8/export.py \
+    --exp-dir $repo/exp \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --use-averaged-model false \
+    --epoch 99 \
+    --avg 1 \
+    --jit 1
+
+  ls -lh $repo/exp/*.pt
+
+  log "Decode with models exported by torch.jit.script()"
+
+  ./pruned_transducer_stateless8/jit_pretrained.py \
+    --bpe-model $repo/data/lang_bpe_500/bpe.model \
+    --nn-model-filename $repo/exp/cpu_jit.pt \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./pruned_transducer_stateless8/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for method in modified_beam_search beam_search fast_beam_search; do
+    log "$method"
+
+    ./pruned_transducer_stateless8/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+  rm -rf $repo
+}
+
+function test_pruned_transducer_stateless7_ctc_2022_12_01() {
+  repo_url=https://huggingface.co/Zengwei/icefall-asr-librispeech-pruned-transducer-stateless7-ctc-2022-12-01
+
+  log "Downloading pre-trained model from $repo_url"
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  pushd $repo/exp
+  git lfs pull --include "data/lang_bpe_500/HLG.pt"
+  git lfs pull --include "data/lang_bpe_500/L.pt"
+  git lfs pull --include "data/lang_bpe_500/LG.pt"
+  git lfs pull --include "data/lang_bpe_500/Linv.pt"
+  git lfs pull --include "data/lang_bpe_500/bpe.model"
+  git lfs pull --include "data/lm/G_4_gram.pt"
+  git lfs pull --include "exp/cpu_jit.pt"
+  git lfs pull --include "exp/pretrained.pt"
+  ln -s pretrained.pt epoch-99.pt
+  ls -lh *.pt
+  popd
+
+  log "Export to torchscript model"
+  ./pruned_transducer_stateless7_ctc/export.py \
+    --exp-dir $repo/exp \
+    --use-averaged-model false \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --epoch 99 \
+    --avg 1 \
+    --jit 1
+
+  ls -lh $repo/exp/*.pt
+
+  log "Decode with models exported by torch.jit.script()"
+
+  ./pruned_transducer_stateless7_ctc/jit_pretrained.py \
+    --bpe-model $repo/data/lang_bpe_500/bpe.model \
+    --nn-model-filename $repo/exp/cpu_jit.pt \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+
+  for m in ctc-decoding 1best; do
+    ./pruned_transducer_stateless7_ctc/jit_pretrained_ctc.py \
+      --model-filename $repo/exp/cpu_jit.pt \
+      --words-file $repo/data/lang_bpe_500/words.txt  \
+      --HLG $repo/data/lang_bpe_500/HLG.pt \
+      --bpe-model $repo/data/lang_bpe_500/bpe.model \
+      --G $repo/data/lm/G_4_gram.pt \
+      --method $m \
+      --sample-rate 16000 \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./pruned_transducer_stateless7_ctc/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for method in modified_beam_search beam_search fast_beam_search; do
+    log "$method"
+
+    ./pruned_transducer_stateless7_ctc/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for m in ctc-decoding 1best; do
+    ./pruned_transducer_stateless7_ctc/pretrained_ctc.py \
+      --checkpoint $repo/exp/pretrained.pt \
+      --words-file $repo/data/lang_bpe_500/words.txt  \
+      --HLG $repo/data/lang_bpe_500/HLG.pt \
+      --bpe-model $repo/data/lang_bpe_500/bpe.model \
+      --G $repo/data/lm/G_4_gram.pt \
+      --method $m \
+      --sample-rate 16000 \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+  rm -rf $repo
+}
+
+function test_zipformer_mmi_2022_12_08() {
+  repo_url=https://huggingface.co/Zengwei/icefall-asr-librispeech-zipformer-mmi-2022-12-08
+
+  log "Downloading pre-trained model from $repo_url"
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  pushd $repo/exp
+  git lfs pull --include "data/lang_bpe_500/3gram.pt"
+  git lfs pull --include "data/lang_bpe_500/4gram.pt"
+  git lfs pull --include "data/lang_bpe_500/L.pt"
+  git lfs pull --include "data/lang_bpe_500/LG.pt"
+  git lfs pull --include "data/lang_bpe_500/Linv.pt"
+  git lfs pull --include "data/lang_bpe_500/bpe.model"
+  git lfs pull --include "exp/cpu_jit.pt"
+  git lfs pull --include "exp/pretrained.pt"
+  ln -s pretrained.pt epoch-99.pt
+  ls -lh *.pt
+  popd
+
+  log "Export to torchscript model"
+  ./zipformer_mmi/export.py \
+    --exp-dir $repo/exp \
+    --use-averaged-model false \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --epoch 99 \
+    --avg 1 \
+    --jit 1
+
+  ls -lh $repo/exp/*.pt
+
+  log "Decode with models exported by torch.jit.script()"
+
+  ./zipformer_mmi/jit_pretrained.py \
+    --bpe-model $repo/data/lang_bpe_500/bpe.model \
+    --nn-model-filename $repo/exp/cpu_jit.pt \
+    --lang-dir $repo/data/lang_bpe_500 \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+
+  for method in 1best nbest nbest-rescoring-LG nbest-rescoring-3-gram nbest-rescoring-4-gram; do
+    log "$method"
+
+    ./zipformer_mmi/pretrained.py \
+      --method $method \
+      --checkpoint $repo/exp/pretrained.pt \
+      --lang-dir $repo/data/lang_bpe_500 \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+  rm -rf $repo
+}
+
+function test_pruned_transducer_stateless7_streaming_2022_12_29() {
+  repo_url=https://huggingface.co/Zengwei/icefall-asr-librispeech-pruned-transducer-stateless7-streaming-2022-12-29
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  pushd $repo
+  git lfs pull --include "data/lang_bpe_500/bpe.model"
+  git lfs pull --include "exp/cpu_jit.pt"
+  git lfs pull --include "exp/pretrained.pt"
+  git lfs pull --include "exp/encoder_jit_trace.pt"
+  git lfs pull --include "exp/decoder_jit_trace.pt"
+  git lfs pull --include "exp/joiner_jit_trace.pt"
+  cd exp
+  ln -s pretrained.pt epoch-99.pt
+  ls -lh *.pt
+  popd
+
+  log "Export to torchscript model"
+  ./pruned_transducer_stateless7_streaming/export.py \
+    --exp-dir $repo/exp \
+    --use-averaged-model false \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --decode-chunk-len 32 \
+    --epoch 99 \
+    --avg 1 \
+    --jit 1
+
+  ls -lh $repo/exp/*.pt
+
+  log "Decode with models exported by torch.jit.script()"
+
+  ./pruned_transducer_stateless7_streaming/jit_pretrained.py \
+    --bpe-model $repo/data/lang_bpe_500/bpe.model \
+    --nn-model-filename $repo/exp/cpu_jit.pt \
+    --decode-chunk-len 32 \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+
+  log "Export to torchscript model by torch.jit.trace()"
+  ./pruned_transducer_stateless7_streaming/jit_trace_export.py \
+    --exp-dir $repo/exp \
+    --use-averaged-model false \
+    --bpe-model $repo/data/lang_bpe_500/bpe.model \
+    --decode-chunk-len 32 \
+    --epoch 99 \
+    --avg 1
+
+  log "Decode with models exported by torch.jit.trace()"
+
+  ./pruned_transducer_stateless7_streaming/jit_trace_pretrained.py \
+    --bpe-model $repo/data/lang_bpe_500/bpe.model \
+    --encoder-model-filename $repo/exp/encoder_jit_trace.pt \
+    --decoder-model-filename $repo/exp/decoder_jit_trace.pt \
+    --joiner-model-filename $repo/exp/joiner_jit_trace.pt \
+    --decode-chunk-len 32 \
+    $repo/test_wavs/1089-134686-0001.wav
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./pruned_transducer_stateless7_streaming/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      --decode-chunk-len 32 \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for method in modified_beam_search beam_search fast_beam_search; do
+    log "$method"
+
+    ./pruned_transducer_stateless7_streaming/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      --decode-chunk-len 32 \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  rm -rf $repo
+}
+
+function test_pruned_transducer_stateless7_ctc_bs_2023_01_29() {
+  repo_url=https://huggingface.co/yfyeung/icefall-asr-librispeech-pruned_transducer_stateless7_ctc_bs-2023-01-29
+
+  log "Downloading pre-trained model from $repo_url"
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  pushd $repo/exp
+  git lfs pull --include "data/lang_bpe_500/L.pt"
+  git lfs pull --include "data/lang_bpe_500/LG.pt"
+  git lfs pull --include "data/lang_bpe_500/HLG.pt"
+  git lfs pull --include "data/lang_bpe_500/Linv.pt"
+  git lfs pull --include "data/lang_bpe_500/bpe.model"
+  git lfs pull --include "exp/cpu_jit.pt"
+  git lfs pull --include "exp/pretrained.pt"
+  ln -s pretrained.pt epoch-99.pt
+  ls -lh *.pt
+  popd
+
+  log "Export to torchscript model"
+  ./pruned_transducer_stateless7_ctc_bs/export.py \
+    --exp-dir $repo/exp \
+    --use-averaged-model false \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --epoch 99 \
+    --avg 1 \
+    --jit 1
+
+  ls -lh $repo/exp/*.pt
+
+  log "Decode with models exported by torch.jit.script()"
+
+  ./pruned_transducer_stateless7_ctc_bs/jit_pretrained.py \
+    --bpe-model $repo/data/lang_bpe_500/bpe.model \
+    --nn-model-filename $repo/exp/cpu_jit.pt \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+
+  for m in ctc-decoding 1best; do
+    ./pruned_transducer_stateless7_ctc_bs/jit_pretrained_ctc.py \
+      --model-filename $repo/exp/cpu_jit.pt \
+      --words-file $repo/data/lang_bpe_500/words.txt  \
+      --HLG $repo/data/lang_bpe_500/HLG.pt \
+      --bpe-model $repo/data/lang_bpe_500/bpe.model \
+      --method $m \
+      --sample-rate 16000 \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./pruned_transducer_stateless7_ctc_bs/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for method in modified_beam_search beam_search fast_beam_search; do
+    log "$method"
+
+    ./pruned_transducer_stateless7_ctc_bs/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for m in ctc-decoding 1best; do
+    ./pruned_transducer_stateless7_ctc_bs/pretrained_ctc.py \
+      --checkpoint $repo/exp/pretrained.pt \
+      --words-file $repo/data/lang_bpe_500/words.txt  \
+      --HLG $repo/data/lang_bpe_500/HLG.pt \
+      --bpe-model $repo/data/lang_bpe_500/bpe.model \
+      --method $m \
+      --sample-rate 16000 \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+  rm -rf $repo
+}
+
+function test_conformer_ctc3_2022_11_27() {
+  repo_url=https://huggingface.co/Zengwei/icefall-asr-librispeech-conformer-ctc3-2022-11-27
+
+  log "Downloading pre-trained model from $repo_url"
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  pushd $repo/exp
+  git lfs pull --include "data/lang_bpe_500/HLG.pt"
+  git lfs pull --include "data/lang_bpe_500/L.pt"
+  git lfs pull --include "data/lang_bpe_500/LG.pt"
+  git lfs pull --include "data/lang_bpe_500/Linv.pt"
+  git lfs pull --include "data/lang_bpe_500/bpe.model"
+  git lfs pull --include "data/lm/G_4_gram.pt"
+  git lfs pull --include "exp/jit_trace.pt"
+  git lfs pull --include "exp/pretrained.pt"
+  ln -s pretrained.pt epoch-99.pt
+  ls -lh *.pt
+  popd
+
+  log "Decode with models exported by torch.jit.trace()"
+
+  for m in ctc-decoding 1best; do
+    ./conformer_ctc3/jit_pretrained.py \
+      --model-filename $repo/exp/jit_trace.pt \
+      --words-file $repo/data/lang_bpe_500/words.txt \
+      --HLG $repo/data/lang_bpe_500/HLG.pt \
+      --bpe-model $repo/data/lang_bpe_500/bpe.model \
+      --G $repo/data/lm/G_4_gram.pt \
+      --method $m \
+      --sample-rate 16000 \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  log "Export to torchscript model"
+
+  ./conformer_ctc3/export.py \
+    --exp-dir $repo/exp \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --jit-trace 1 \
+    --epoch 99 \
+    --avg 1 \
+    --use-averaged-model 0
+
+  ls -lh $repo/exp/*.pt
+
+  log "Decode with models exported by torch.jit.trace()"
+
+  for m in ctc-decoding 1best; do
+    ./conformer_ctc3/jit_pretrained.py \
+      --model-filename $repo/exp/jit_trace.pt \
+      --words-file $repo/data/lang_bpe_500/words.txt  \
+      --HLG $repo/data/lang_bpe_500/HLG.pt \
+      --bpe-model $repo/data/lang_bpe_500/bpe.model \
+      --G $repo/data/lm/G_4_gram.pt \
+      --method $m \
+      --sample-rate 16000 \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for m in ctc-decoding 1best; do
+    ./conformer_ctc3/pretrained.py \
+      --checkpoint $repo/exp/pretrained.pt \
+      --words-file $repo/data/lang_bpe_500/words.txt \
+      --HLG $repo/data/lang_bpe_500/HLG.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      --G $repo/data/lm/G_4_gram.pt \
+      --method $m \
+      --sample-rate 16000 \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+  rm -rf $repo
+}
+
+function test_lstm_transducer_stateless2_2022_09_03() {
+  repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-lstm-transducer-stateless2-2022-09-03
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  git clone $repo_url
+  repo=$(basename $repo_url)
+  abs_repo=$(realpath $repo)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  pushd $repo/exp
+  ln -s pretrained-iter-468000-avg-16.pt pretrained.pt
+  ln -s pretrained-iter-468000-avg-16.pt epoch-99.pt
+  popd
+
+  log "Test exporting with torch.jit.trace()"
+
+  ./lstm_transducer_stateless2/export.py \
+    --exp-dir $repo/exp \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --epoch 99 \
+    --avg 1 \
+    --use-averaged-model 0 \
+    --jit-trace 1
+
+  log "Decode with models exported by torch.jit.trace()"
+
+  ./lstm_transducer_stateless2/jit_pretrained.py \
+    --bpe-model $repo/data/lang_bpe_500/bpe.model \
+    --encoder-model-filename $repo/exp/encoder_jit_trace.pt \
+    --decoder-model-filename $repo/exp/decoder_jit_trace.pt \
+    --joiner-model-filename $repo/exp/joiner_jit_trace.pt \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./lstm_transducer_stateless2/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for method in modified_beam_search beam_search fast_beam_search; do
+    log "$method"
+
+    ./lstm_transducer_stateless2/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+  rm -rf $repo
+}
+
+function test_pruned_transducer_stateless3_2022_05_13() {
+  repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-pruned-transducer-stateless3-2022-05-13
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  pushd $repo/exp
+  ln -s pretrained-iter-1224000-avg-14.pt pretrained.pt
+  ln -s pretrained-iter-1224000-avg-14.pt epoch-99.pt
+  popd
+
+
+  log "Export to torchscript model"
+  ./pruned_transducer_stateless3/export.py \
+    --exp-dir $repo/exp \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --epoch 99 \
+    --avg 1 \
+    --jit 1
+
+  ./pruned_transducer_stateless3/export.py \
+    --exp-dir $repo/exp \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --epoch 99 \
+    --avg 1 \
+    --jit-trace 1
+
+  ls -lh $repo/exp/*.pt
+
+  log "Decode with models exported by torch.jit.trace()"
+
+  ./pruned_transducer_stateless3/jit_pretrained.py \
+    --bpe-model $repo/data/lang_bpe_500/bpe.model \
+    --encoder-model-filename $repo/exp/encoder_jit_trace.pt \
+    --decoder-model-filename $repo/exp/decoder_jit_trace.pt \
+    --joiner-model-filename $repo/exp/joiner_jit_trace.pt \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+
+  log "Decode with models exported by torch.jit.script()"
+
+  ./pruned_transducer_stateless3/jit_pretrained.py \
+    --bpe-model $repo/data/lang_bpe_500/bpe.model \
+    --encoder-model-filename $repo/exp/encoder_jit_script.pt \
+    --decoder-model-filename $repo/exp/decoder_jit_script.pt \
+    --joiner-model-filename $repo/exp/joiner_jit_script.pt \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./pruned_transducer_stateless3/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for method in modified_beam_search beam_search fast_beam_search; do
+    log "$method"
+
+    ./pruned_transducer_stateless3/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  rm -rf $repo
+}
+
+function test_streaming_pruned_transducer_stateless2_20220625() {
+  repo_url=https://huggingface.co/pkufool/icefall_librispeech_streaming_pruned_transducer_stateless2_20220625
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  pushd $repo/exp
+  ln -s pretrained-epoch-24-avg-10.pt pretrained.pt
+  popd
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./pruned_transducer_stateless2/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      --simulate-streaming 1 \
+      --causal-convolution 1 \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for method in modified_beam_search beam_search fast_beam_search; do
+    log "$method"
+
+    ./pruned_transducer_stateless2/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      --simulate-streaming 1 \
+      --causal-convolution 1 \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+  rm -rf $repo
+}
+
+function test_streaming_zipformer_2023_05_17() {
+  repo_url=https://huggingface.co/Zengwei/icefall-asr-librispeech-streaming-zipformer-2023-05-17
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  pushd $repo/exp
+  git lfs pull --include "data/lang_bpe_500/bpe.model"
+  git lfs pull --include "data/lang_bpe_500/tokens.txt"
+  git lfs pull --include "exp/jit_script_chunk_16_left_128.pt"
+  git lfs pull --include "exp/pretrained.pt"
+  ln -s pretrained.pt epoch-99.pt
+  ls -lh *.pt
+  popd
+
+  log "Export to torchscript model"
+  ./zipformer/export.py \
+    --exp-dir $repo/exp \
+    --use-averaged-model false \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --causal 1 \
+    --chunk-size 16 \
+    --left-context-frames 128 \
+    --epoch 99 \
+    --avg 1 \
+    --jit 1
+
+  ls -lh $repo/exp/*.pt
+
+  log "Decode with models exported by torch.jit.script()"
+
+  ./zipformer/jit_pretrained_streaming.py \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --nn-model-filename $repo/exp/jit_script_chunk_16_left_128.pt \
+    $repo/test_wavs/1089-134686-0001.wav
+
+  for method in greedy_search modified_beam_search fast_beam_search; do
+    log "$method"
+
+    ./zipformer/pretrained.py \
+      --causal 1 \
+      --chunk-size 16 \
+      --left-context-frames 128 \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+  rm -rf $repo
+}
+
+function test_zipformer_2023_05_18() {
+  repo_url=https://huggingface.co/Zengwei/icefall-asr-librispeech-zipformer-2023-05-15
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  pushd $repo/exp
+  git lfs pull --include "data/lang_bpe_500/bpe.model"
+  git lfs pull --include "data/lang_bpe_500/tokens.txt"
+  git lfs pull --include "exp/jit_script.pt"
+  git lfs pull --include "exp/pretrained.pt"
+  ln -s pretrained.pt epoch-99.pt
+  ls -lh *.pt
+  popd
+
+  log "Export to torchscript model"
+  ./zipformer/export.py \
+    --exp-dir $repo/exp \
+    --use-averaged-model false \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --epoch 99 \
+    --avg 1 \
+    --jit 1
+
+  ls -lh $repo/exp/*.pt
+
+  log "Decode with models exported by torch.jit.script()"
+
+  ./zipformer/jit_pretrained.py \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --nn-model-filename $repo/exp/jit_script.pt \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+
+  for method in greedy_search modified_beam_search fast_beam_search; do
+    log "$method"
+
+    ./zipformer/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+  rm -rf $repo
+}
+
+function test_transducer_stateless2_torchaudio_2022_04_19() {
+  repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-transducer-stateless2-torchaudio-2022-04-19
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./transducer_stateless2/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for method in fast_beam_search modified_beam_search beam_search; do
+    log "$method"
+
+    ./transducer_stateless2/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+  rm -rf $repo
+}
+
+function test_zipformer_transducer_ctc_2023_06_13() {
+  repo_url=https://huggingface.co/Zengwei/icefall-asr-librispeech-zipformer-transducer-ctc-2023-06-13
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  pushd $repo/exp
+  git lfs pull --include "data/lang_bpe_500/bpe.model"
+  git lfs pull --include "data/lang_bpe_500/tokens.txt"
+  git lfs pull --include "data/lang_bpe_500/HLG.pt"
+  git lfs pull --include "data/lang_bpe_500/L.pt"
+  git lfs pull --include "data/lang_bpe_500/LG.pt"
+  git lfs pull --include "data/lang_bpe_500/Linv.pt"
+  git lfs pull --include "data/lm/G_4_gram.pt"
+  git lfs pull --include "exp/jit_script.pt"
+  git lfs pull --include "exp/pretrained.pt"
+  ln -s pretrained.pt epoch-99.pt
+  ls -lh *.pt
+  popd
+
+  log "Export to torchscript model"
+  ./zipformer/export.py \
+    --exp-dir $repo/exp \
+    --use-transducer 1 \
+    --use-ctc 1 \
+    --use-averaged-model false \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --epoch 99 \
+    --avg 1 \
+    --jit 1
+
+  ls -lh $repo/exp/*.pt
+
+  log "Decode with models exported by torch.jit.script()"
+
+  for method in ctc-decoding 1best; do
+    ./zipformer/jit_pretrained_ctc.py \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      --model-filename $repo/exp/jit_script.pt \
+      --HLG $repo/data/lang_bpe_500/HLG.pt \
+      --words-file $repo/data/lang_bpe_500/words.txt  \
+      --G $repo/data/lm/G_4_gram.pt \
+      --method $method \
+      --sample-rate 16000 \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for method in ctc-decoding 1best; do
+    log "$method"
+
+    ./zipformer/pretrained_ctc.py \
+      --use-transducer 1 \
+      --use-ctc 1 \
+      --method $method \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      --HLG $repo/data/lang_bpe_500/HLG.pt \
+      --G $repo/data/lm/G_4_gram.pt \
+      --words-file $repo/data/lang_bpe_500/words.txt  \
+      --sample-rate 16000 \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+  rm -rf $repo
+}
+
+function test_100h_transducer_stateless_multi_datasets_bpe_500_2022_02_21() {
+  repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-100h-transducer-stateless-multi-datasets-bpe-500-2022-02-21
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./transducer_stateless_multi_datasets/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for method in modified_beam_search beam_search fast_beam_search; do
+    log "$method"
+
+    ./transducer_stateless_multi_datasets/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+  rm -rf $repo
+}
+
+function test_transducer_stateless_multi_datasets_bpe_500_2022_03_01() {
+  repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-transducer-stateless-multi-datasets-bpe-500-2022-03-01
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./transducer_stateless_multi_datasets/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for method in modified_beam_search beam_search fast_beam_search; do
+    log "$method"
+
+    ./transducer_stateless_multi_datasets/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+  rm -rf $repo
+}
+
+function test_transducer_stateless_bpe_500_2022_02_07() {
+  repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-transducer-stateless-bpe-500-2022-02-07
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  for sym in 1 2 3; do
+    log "Greedy search with --max-sym-per-frame $sym"
+
+    ./transducer_stateless/pretrained.py \
+      --method greedy_search \
+      --max-sym-per-frame $sym \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+
+  for method in fast_beam_search modified_beam_search beam_search; do
+    log "$method"
+
+    ./transducer_stateless/pretrained.py \
+      --method $method \
+      --beam-size 4 \
+      --checkpoint $repo/exp/pretrained.pt \
+      --tokens $repo/data/lang_bpe_500/tokens.txt \
+      $repo/test_wavs/1089-134686-0001.wav \
+      $repo/test_wavs/1221-135766-0001.wav \
+      $repo/test_wavs/1221-135766-0002.wav
+  done
+  rm -rf $repo
+}
+
+function test_zipformer_ctc_en_2023_10_02() {
+  repo_url=https://huggingface.co/csukuangfj/sherpa-onnx-zipformer-ctc-en-2023-10-02
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  log "CTC greedy search"
+
+  ./zipformer/onnx_pretrained_ctc.py \
+    --nn-model $repo/model.onnx \
+    --tokens $repo/tokens.txt \
+    $repo/test_wavs/0.wav \
+    $repo/test_wavs/1.wav \
+    $repo/test_wavs/2.wav
+
+  log "CTC H decoding"
+
+  ./zipformer/onnx_pretrained_ctc_H.py \
+    --nn-model $repo/model.onnx \
+    --tokens $repo/tokens.txt \
+    --H $repo/H.fst \
+    $repo/test_wavs/0.wav \
+    $repo/test_wavs/1.wav \
+    $repo/test_wavs/2.wav
+
+  log "CTC HL decoding"
+
+  ./zipformer/onnx_pretrained_ctc_HL.py \
+    --nn-model $repo/model.onnx \
+    --words $repo/words.txt \
+    --HL $repo/HL.fst \
+    $repo/test_wavs/0.wav \
+    $repo/test_wavs/1.wav \
+    $repo/test_wavs/2.wav
+
+  log "CTC HLG decoding"
+
+  ./zipformer/onnx_pretrained_ctc_HLG.py \
+    --nn-model $repo/model.onnx \
+    --words $repo/words.txt \
+    --HLG $repo/HLG.fst \
+    $repo/test_wavs/0.wav \
+    $repo/test_wavs/1.wav \
+    $repo/test_wavs/2.wav
+
+  rm -rf $repo
+}
+
+function test_conformer_ctc_jit_bpe_500_2021_11_09() {
+  repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-conformer-ctc-jit-bpe-500-2021-11-09
+  log "Downloading pre-trained model from $repo_url"
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  repo=$(basename $repo_url)
+  pushd $repo
+
+  git lfs pull --include "exp/pretrained.pt"
+  git lfs pull --include "data/lang_bpe_500/HLG.pt"
+  git lfs pull --include "data/lang_bpe_500/L.pt"
+  git lfs pull --include "data/lang_bpe_500/L_disambig.pt"
+  git lfs pull --include "data/lang_bpe_500/Linv.pt"
+  git lfs pull --include "data/lang_bpe_500/bpe.model"
+  git lfs pull --include "data/lang_bpe_500/lexicon.txt"
+  git lfs pull --include "data/lang_bpe_500/lexicon_disambig.txt"
+  git lfs pull --include "data/lang_bpe_500/tokens.txt"
+  git lfs pull --include "data/lang_bpe_500/words.txt"
+  git lfs pull --include "data/lm/G_3_gram.fst.txt"
+
+  popd
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  log "CTC decoding"
+
+  ./conformer_ctc/pretrained.py \
+    --method ctc-decoding \
+    --num-classes 500 \
+    --checkpoint $repo/exp/pretrained.pt \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+
+  log "HLG decoding"
+
+  ./conformer_ctc/pretrained.py \
+    --method 1best \
+    --num-classes 500 \
+    --checkpoint $repo/exp/pretrained.pt \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --words-file $repo/data/lang_bpe_500/words.txt \
+    --HLG $repo/data/lang_bpe_500/HLG.pt \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+
+  log "CTC decoding on CPU with kaldi decoders using OpenFst"
+
+  log "Exporting model with torchscript"
+
+  pushd $repo/exp
+  ln -s pretrained.pt epoch-99.pt
+  popd
+
+  ./conformer_ctc/export.py \
+    --epoch 99 \
+    --avg 1 \
+    --exp-dir $repo/exp \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --jit 1
+
+  ls -lh $repo/exp
+
+
+  log "Generating H.fst, HL.fst"
+
+  ./local/prepare_lang_fst.py  --lang-dir $repo/data/lang_bpe_500 --ngram-G $repo/data/lm/G_3_gram.fst.txt
+
+  ls -lh $repo/data/lang_bpe_500
+
+  log "Decoding with H on CPU with OpenFst"
+
+  ./conformer_ctc/jit_pretrained_decode_with_H.py \
+    --nn-model $repo/exp/cpu_jit.pt \
+    --H $repo/data/lang_bpe_500/H.fst \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+
+  log "Decoding with HL on CPU with OpenFst"
+
+  ./conformer_ctc/jit_pretrained_decode_with_HL.py \
+    --nn-model $repo/exp/cpu_jit.pt \
+    --HL $repo/data/lang_bpe_500/HL.fst \
+    --words $repo/data/lang_bpe_500/words.txt \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+
+  log "Decoding with HLG on CPU with OpenFst"
+
+  ./conformer_ctc/jit_pretrained_decode_with_HLG.py \
+    --nn-model $repo/exp/cpu_jit.pt \
+    --HLG $repo/data/lang_bpe_500/HLG.fst \
+    --words $repo/data/lang_bpe_500/words.txt \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+
+  rm -rf $repo
+}
+
+function test_transducer_bpe_500_2021_12_23() {
+  repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-transducer-bpe-500-2021-12-23
+
+  log "Downloading pre-trained model from $repo_url"
+  git lfs install
+  git clone $repo_url
+  repo=$(basename $repo_url)
+
+  log "Display test files"
+  tree $repo/
+  ls -lh $repo/test_wavs/*.wav
+
+  log "Beam search decoding"
+
+  ./transducer/pretrained.py \
+    --method beam_search \
+    --beam-size 4 \
+    --checkpoint $repo/exp/pretrained.pt \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+
+  rm -rf $repo
+}
+
+prepare_data
+run_diagnostics
+test_streaming_zipformer_ctc_hlg
+test_pruned_transducer_stateless_2022_03_12
+test_pruned_transducer_stateless2_2022_04_29
+test_pruned_transducer_stateless3_2022_04_29
+test_pruned_transducer_stateless5_2022_05_13
+test_pruned_transducer_stateless7_2022_11_11
+test_pruned_transducer_stateless8_2022_11_14
+test_pruned_transducer_stateless7_ctc_2022_12_01
+test_zipformer_mmi_2022_12_08
+test_pruned_transducer_stateless7_streaming_2022_12_29
+test_pruned_transducer_stateless7_ctc_bs_2023_01_29
+test_conformer_ctc3_2022_11_27
+test_lstm_transducer_stateless2_2022_09_03
+test_pruned_transducer_stateless3_2022_05_13
+test_streaming_pruned_transducer_stateless2_20220625
+test_streaming_zipformer_2023_05_17
+test_zipformer_2023_05_18
+test_transducer_stateless2_torchaudio_2022_04_19
+test_zipformer_transducer_ctc_2023_06_13
+test_100h_transducer_stateless_multi_datasets_bpe_500_2022_02_21
+test_transducer_stateless_multi_datasets_bpe_500_2022_03_01
+test_transducer_stateless_bpe_500_2022_02_07
+test_zipformer_ctc_en_2023_10_02
+# test_conformer_ctc_jit_bpe_500_2021_11_09 # failes for torch != 1.13.x and torch != 2.0.x
+test_transducer_bpe_500_2021_12_23

.github/scripts/librispeech/ASR/run_rknn.sh

@@ -0,0 +1,275 @@
+#!/usr/bin/env bash
+
+set -ex
+
+python3 -m pip install kaldi-native-fbank soundfile librosa
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/librispeech/ASR
+
+# https://huggingface.co/csukuangfj/k2fsa-zipformer-chinese-english-mixed
+# sherpa-onnx-streaming-zipformer-bilingual-zh-en-2023-02-20
+function export_2023_02_20() {
+  d=exp_2023_02_20
+
+  mkdir $d
+  pushd $d
+
+  curl -SL -O https://huggingface.co/csukuangfj/k2fsa-zipformer-chinese-english-mixed/resolve/main/exp/pretrained.pt
+  mv pretrained.pt epoch-99.pt
+
+  curl -SL -O https://huggingface.co/csukuangfj/k2fsa-zipformer-chinese-english-mixed/resolve/main/data/lang_char_bpe/tokens.txt
+
+  curl -SL -O https://huggingface.co/csukuangfj/k2fsa-zipformer-chinese-english-mixed/resolve/main/test_wavs/0.wav
+  curl -SL -O https://huggingface.co/csukuangfj/k2fsa-zipformer-chinese-english-mixed/resolve/main/test_wavs/1.wav
+  curl -SL -O https://huggingface.co/csukuangfj/k2fsa-zipformer-chinese-english-mixed/resolve/main/test_wavs/2.wav
+  curl -SL -O https://huggingface.co/csukuangfj/k2fsa-zipformer-chinese-english-mixed/resolve/main/test_wavs/3.wav
+  curl -SL -O https://huggingface.co/csukuangfj/k2fsa-zipformer-chinese-english-mixed/resolve/main/test_wavs/4.wav
+  ls -lh
+  popd
+
+  ./pruned_transducer_stateless7_streaming/export-onnx-zh.py \
+    --dynamic-batch 0 \
+    --enable-int8-quantization 0 \
+    --tokens $d/tokens.txt \
+    --use-averaged-model 0 \
+    --epoch 99 \
+    --avg 1 \
+    --exp-dir $d/ \
+    --decode-chunk-len 64 \
+    --num-encoder-layers "2,4,3,2,4" \
+    --feedforward-dims "1024,1024,1536,1536,1024" \
+    --nhead "8,8,8,8,8" \
+    --encoder-dims "384,384,384,384,384" \
+    --attention-dims "192,192,192,192,192" \
+    --encoder-unmasked-dims "256,256,256,256,256" \
+    --zipformer-downsampling-factors "1,2,4,8,2" \
+    --cnn-module-kernels "31,31,31,31,31" \
+    --decoder-dim 512 \
+    --joiner-dim 512
+
+  ls -lh $d/
+
+  ./pruned_transducer_stateless7_streaming/onnx_pretrained.py \
+    --encoder-model-filename $d/encoder-epoch-99-avg-1.onnx \
+    --decoder-model-filename $d/decoder-epoch-99-avg-1.onnx \
+    --joiner-model-filename $d/joiner-epoch-99-avg-1.onnx \
+    --tokens $d/tokens.txt \
+    $d/0.wav
+
+  ./pruned_transducer_stateless7_streaming/onnx_pretrained.py \
+    --encoder-model-filename $d/encoder-epoch-99-avg-1.onnx \
+    --decoder-model-filename $d/decoder-epoch-99-avg-1.onnx \
+    --joiner-model-filename $d/joiner-epoch-99-avg-1.onnx \
+    --tokens $d/tokens.txt \
+    $d/1.wav
+
+  for platform in rk3562 rk3566 rk3568 rk3576 rk3588; do
+    dst=sherpa-onnx-$platform-streaming-zipformer-bilingual-zh-en-2023-02-20
+    mkdir -p $dst
+
+    ./pruned_transducer_stateless7_streaming/export_rknn.py \
+      --in-encoder $d/encoder-epoch-99-avg-1.onnx \
+      --in-decoder $d/decoder-epoch-99-avg-1.onnx \
+      --in-joiner $d/joiner-epoch-99-avg-1.onnx \
+      --out-encoder $dst/encoder.rknn \
+      --out-decoder $dst/decoder.rknn \
+      --out-joiner $dst/joiner.rknn \
+      --target-platform $platform  2>/dev/null
+
+    ls -lh $dst/
+
+    ./pruned_transducer_stateless7_streaming/test_rknn_on_cpu_simulator.py \
+      --encoder $d/encoder-epoch-99-avg-1.onnx \
+      --decoder $d/decoder-epoch-99-avg-1.onnx \
+      --joiner $d/joiner-epoch-99-avg-1.onnx \
+      --tokens $d/tokens.txt \
+      --wav $d/0.wav
+
+    cp $d/tokens.txt $dst
+    mkdir $dst/test_wavs
+    cp $d/*.wav $dst/test_wavs
+
+    tar cjvf $dst.tar.bz2 $dst
+    ls -lh $dst.tar.bz2
+    mv $dst.tar.bz2 /icefall/
+    ls -lh $dst/
+    echo "---"
+
+    rm -rf $dst
+  done
+}
+
+# https://huggingface.co/csukuangfj/k2fsa-zipformer-bilingual-zh-en-t
+# sherpa-onnx-streaming-zipformer-small-bilingual-zh-en-2023-02-16
+function export_2023_02_16() {
+  d=exp_2023_02_16
+
+  mkdir $d
+  pushd $d
+
+  curl -SL -O https://huggingface.co/csukuangfj/k2fsa-zipformer-bilingual-zh-en-t/resolve/main/exp/pretrained.pt
+  mv pretrained.pt epoch-99.pt
+
+  curl -SL -O https://huggingface.co/csukuangfj/k2fsa-zipformer-bilingual-zh-en-t/resolve/main/data/lang_char_bpe/tokens.txt
+  curl -SL -O https://huggingface.co/csukuangfj/k2fsa-zipformer-bilingual-zh-en-t/resolve/main/test_wavs/0.wav
+  curl -SL -O https://huggingface.co/csukuangfj/k2fsa-zipformer-bilingual-zh-en-t/resolve/main/test_wavs/1.wav
+  curl -SL -O https://huggingface.co/csukuangfj/k2fsa-zipformer-bilingual-zh-en-t/resolve/main/test_wavs/2.wav
+  curl -SL -O https://huggingface.co/csukuangfj/k2fsa-zipformer-bilingual-zh-en-t/resolve/main/test_wavs/3.wav
+  curl -SL -O https://huggingface.co/csukuangfj/k2fsa-zipformer-bilingual-zh-en-t/resolve/main/test_wavs/4.wav
+
+  ls -lh
+
+  popd
+
+  ./pruned_transducer_stateless7_streaming/export-onnx-zh.py \
+    --dynamic-batch 0 \
+    --enable-int8-quantization 0 \
+    --tokens $d/tokens.txt \
+    --use-averaged-model 0 \
+    --epoch 99 \
+    --avg 1 \
+    --exp-dir $d/ \
+    --decode-chunk-len 64 \
+    \
+    --num-encoder-layers 2,2,2,2,2 \
+    --feedforward-dims 768,768,768,768,768 \
+    --nhead 4,4,4,4,4 \
+    --encoder-dims 256,256,256,256,256 \
+    --attention-dims 192,192,192,192,192 \
+    --encoder-unmasked-dims 192,192,192,192,192 \
+    \
+    --zipformer-downsampling-factors "1,2,4,8,2" \
+    --cnn-module-kernels "31,31,31,31,31" \
+    --decoder-dim 512 \
+    --joiner-dim 512
+
+  ls -lh $d/
+
+  ./pruned_transducer_stateless7_streaming/onnx_pretrained.py \
+    --encoder-model-filename $d/encoder-epoch-99-avg-1.onnx \
+    --decoder-model-filename $d/decoder-epoch-99-avg-1.onnx \
+    --joiner-model-filename $d/joiner-epoch-99-avg-1.onnx \
+    --tokens $d/tokens.txt \
+    $d/0.wav
+
+  ./pruned_transducer_stateless7_streaming/onnx_pretrained.py \
+    --encoder-model-filename $d/encoder-epoch-99-avg-1.onnx \
+    --decoder-model-filename $d/decoder-epoch-99-avg-1.onnx \
+    --joiner-model-filename $d/joiner-epoch-99-avg-1.onnx \
+    --tokens $d/tokens.txt \
+    $d/1.wav
+
+  for platform in rk3562 rk3566 rk3568 rk3576 rk3588; do
+    dst=sherpa-onnx-$platform-streaming-zipformer-small-bilingual-zh-en-2023-02-16
+    mkdir -p $dst
+
+    ./pruned_transducer_stateless7_streaming/export_rknn.py \
+      --in-encoder $d/encoder-epoch-99-avg-1.onnx \
+      --in-decoder $d/decoder-epoch-99-avg-1.onnx \
+      --in-joiner $d/joiner-epoch-99-avg-1.onnx \
+      --out-encoder $dst/encoder.rknn \
+      --out-decoder $dst/decoder.rknn \
+      --out-joiner $dst/joiner.rknn \
+      --target-platform $platform  2>/dev/null
+
+    ls -lh $dst/
+
+    ./pruned_transducer_stateless7_streaming/test_rknn_on_cpu_simulator.py \
+      --encoder $d/encoder-epoch-99-avg-1.onnx \
+      --decoder $d/decoder-epoch-99-avg-1.onnx \
+      --joiner $d/joiner-epoch-99-avg-1.onnx \
+      --tokens $d/tokens.txt \
+      --wav $d/0.wav
+
+    cp $d/tokens.txt $dst
+    mkdir $dst/test_wavs
+    cp $d/*.wav $dst/test_wavs
+
+    tar cjvf $dst.tar.bz2 $dst
+    ls -lh $dst.tar.bz2
+    mv $dst.tar.bz2 /icefall/
+    ls -lh $dst/
+    echo "---"
+
+    rm -rf $dst
+  done
+}
+
+# https://k2-fsa.github.io/sherpa/onnx/pretrained_models/online-transducer/zipformer-transducer-models.html#csukuangfj-sherpa-onnx-streaming-zipformer-en-2023-06-26-english
+function export_2023_06_26() {
+  d=exp_2023_06_26
+
+  mkdir $d
+  pushd $d
+
+  curl -SL -O https://huggingface.co/Zengwei/icefall-asr-librispeech-streaming-zipformer-2023-05-17/resolve/main/exp/pretrained.pt
+  mv pretrained.pt epoch-99.pt
+
+  curl -SL -O https://huggingface.co/Zengwei/icefall-asr-librispeech-streaming-zipformer-2023-05-17/resolve/main/data/lang_bpe_500/tokens.txt
+
+  curl -SL -o 0.wav https://huggingface.co/Zengwei/icefall-asr-librispeech-streaming-zipformer-2023-05-17/resolve/main/data/lang_bpe_500/tokens.txt
+  curl -SL -o 1.wav https://huggingface.co/Zengwei/icefall-asr-librispeech-streaming-zipformer-2023-05-17/resolve/main/test_wavs/1221-135766-0001.wav
+  curl -SL -o 2.wav https://huggingface.co/Zengwei/icefall-asr-librispeech-streaming-zipformer-2023-05-17/resolve/main/test_wavs/1221-135766-0002.wav
+
+  ls -lh
+
+  popd
+
+  ./zipformer/export-onnx-streaming.py \
+    --dynamic-batch 0 \
+    --enable-int8-quantization 0 \
+    --tokens $d/tokens.txt \
+    --use-averaged-model 0 \
+    --epoch 99 \
+    --avg 1 \
+    --exp-dir $d \
+    --use-ctc 0 \
+    --use-transducer 1 \
+    \
+    --chunk-size 32 \
+    --left-context-frames 128 \
+    --causal 1
+
+  ls -lh $d/
+
+  for platform in rk3562 rk3566 rk3568 rk3576 rk3588; do
+    dst=sherpa-onnx-$platform-streaming-zipformer-en-2023-06-26
+    mkdir -p $dst
+
+    ./zipformer/export_rknn_transducer_streaming.py \
+      --in-encoder $d/encoder-epoch-99-avg-1-chunk-32-left-128.onnx \
+      --in-decoder $d/decoder-epoch-99-avg-1-chunk-32-left-128.onnx \
+      --in-joiner $d/joiner-epoch-99-avg-1-chunk-32-left-128.onnx \
+      --out-encoder $dst/encoder.rknn \
+      --out-decoder $dst/decoder.rknn \
+      --out-joiner $dst/joiner.rknn \
+      --target-platform $platform
+
+    ls -lh $dst/
+
+    cp $d/tokens.txt $dst
+    mkdir $dst/test_wavs
+    cp $d/*.wav $dst/test_wavs
+
+    tar cjvf $dst.tar.bz2 $dst
+    ls -lh $dst.tar.bz2
+    mv $dst.tar.bz2 /icefall/
+    ls -lh $dst/
+    echo "---"
+
+    rm -rf $dst
+  done
+}
+
+if [[ $rknn_toolkit2_version == "2.1.0" ]]; then
+  export_2023_02_16
+  export_2023_02_20
+else
+  export_2023_06_26
+fi

.github/scripts/ljspeech/TTS/run-matcha.sh

@@ -0,0 +1,157 @@
+#!/usr/bin/env bash
+
+set -ex
+
+apt-get update
+apt-get install -y sox
+
+python3 -m pip install piper_phonemize -f https://k2-fsa.github.io/icefall/piper_phonemize.html
+python3 -m pip install espnet_tts_frontend
+python3 -m pip install numba conformer==0.3.2 diffusers librosa
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/ljspeech/TTS
+
+sed -i.bak s/600/8/g ./prepare.sh
+sed -i.bak s/"first 100"/"first 3"/g ./prepare.sh
+sed -i.bak s/500/5/g ./prepare.sh
+git diff
+
+function prepare_data() {
+  # We have created a subset of the data for testing
+  #
+  mkdir -p download
+  pushd download
+  wget -q https://huggingface.co/csukuangfj/ljspeech-subset-for-ci-test/resolve/main/LJSpeech-1.1.tar.bz2
+  tar xvf LJSpeech-1.1.tar.bz2
+  popd
+
+  ./prepare.sh
+  tree .
+}
+
+function train() {
+  pushd ./matcha
+  sed -i.bak s/1500/3/g ./train.py
+  git diff .
+  popd
+
+  ./matcha/train.py \
+    --exp-dir matcha/exp \
+    --num-epochs 1 \
+    --save-every-n 1 \
+    --num-buckets 2 \
+    --tokens data/tokens.txt \
+    --max-duration 20
+
+    ls -lh matcha/exp
+}
+
+function infer() {
+
+  curl -SL -O https://github.com/csukuangfj/models/raw/refs/heads/master/hifigan/generator_v1
+
+  ./matcha/infer.py \
+    --num-buckets 2 \
+    --epoch 1 \
+    --exp-dir ./matcha/exp \
+    --tokens data/tokens.txt \
+    --vocoder ./generator_v1 \
+    --input-text "how are you doing?" \
+    --output-wav ./generated.wav
+
+  ls -lh *.wav
+  soxi ./generated.wav
+  rm -v ./generated.wav
+  rm -v generator_v1
+}
+
+function export_onnx() {
+  pushd matcha/exp
+  curl -SL -O https://huggingface.co/csukuangfj/icefall-tts-ljspeech-matcha-en-2024-10-28/resolve/main/exp/epoch-4000.pt
+  popd
+
+  pushd data/fbank
+  rm -fv *.json
+  curl -SL -O https://huggingface.co/csukuangfj/icefall-tts-ljspeech-matcha-en-2024-10-28/resolve/main/data/cmvn.json
+  popd
+
+  ./matcha/export_onnx.py \
+    --exp-dir ./matcha/exp \
+    --epoch 4000 \
+    --tokens ./data/tokens.txt \
+    --cmvn ./data/fbank/cmvn.json
+
+  ls -lh *.onnx
+
+  if false; then
+    # The CI machine does not have enough memory to run it
+    #
+    curl -SL -O https://github.com/csukuangfj/models/raw/refs/heads/master/hifigan/generator_v1
+    curl -SL -O https://github.com/csukuangfj/models/raw/refs/heads/master/hifigan/generator_v2
+    curl -SL -O https://github.com/csukuangfj/models/raw/refs/heads/master/hifigan/generator_v3
+    python3 ./matcha/export_onnx_hifigan.py
+  else
+    curl -SL -O https://huggingface.co/csukuangfj/icefall-tts-ljspeech-matcha-en-2024-10-28/resolve/main/exp/hifigan_v1.onnx
+    curl -SL -O https://huggingface.co/csukuangfj/icefall-tts-ljspeech-matcha-en-2024-10-28/resolve/main/exp/hifigan_v2.onnx
+    curl -SL -O https://huggingface.co/csukuangfj/icefall-tts-ljspeech-matcha-en-2024-10-28/resolve/main/exp/hifigan_v3.onnx
+  fi
+
+  ls -lh *.onnx
+
+  for v in v1 v2 v3; do
+    python3 ./matcha/onnx_pretrained.py \
+     --acoustic-model ./model-steps-6.onnx \
+     --vocoder ./hifigan_$v.onnx \
+     --tokens ./data/tokens.txt \
+     --input-text "how are you doing?" \
+     --output-wav /icefall/generated-matcha-tts-steps-6-$v.wav
+  done
+
+  ls -lh /icefall/*.wav
+  soxi /icefall/generated-matcha-tts-steps-6-*.wav
+
+  cp ./model-steps-*.onnx /icefall
+
+  d=matcha-icefall-en_US-ljspeech
+  mkdir $d
+  cp -v data/tokens.txt $d
+  cp model-steps-3.onnx $d
+  pushd $d
+  curl -SL -O https://github.com/k2-fsa/sherpa-onnx/releases/download/tts-models/espeak-ng-data.tar.bz2
+  tar xf espeak-ng-data.tar.bz2
+  rm espeak-ng-data.tar.bz2
+
+cat >README.md <<EOF
+# Introduction
+
+This model is trained using the dataset from
+https://keithito.com/LJ-Speech-Dataset/
+
+The dataset contains only 1 female speaker.
+
+You can find the training code at
+https://github.com/k2-fsa/icefall/tree/master/egs/ljspeech/TTS#matcha
+EOF
+
+  ls -lh
+
+  popd
+
+  tar cvjf $d.tar.bz2 $d
+  mv $d.tar.bz2 /icefall
+  mv $d /icefall
+}
+
+prepare_data
+train
+infer
+export_onnx
+
+rm -rfv generator_v* matcha/exp
+git checkout .

.github/scripts/ljspeech/TTS/run.sh

@@ -0,0 +1,157 @@
+#!/usr/bin/env bash
+
+set -ex
+
+python3 -m pip install piper_phonemize -f https://k2-fsa.github.io/icefall/piper_phonemize.html
+python3 -m pip install espnet_tts_frontend
+python3 -m pip install numba
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/ljspeech/TTS
+
+sed -i.bak s/600/8/g ./prepare.sh
+sed -i.bak s/"first 100"/"first 3"/g ./prepare.sh
+sed -i.bak s/500/5/g ./prepare.sh
+git diff
+
+function prepare_data() {
+  # We have created a subset of the data for testing
+  #
+  mkdir -p download
+  pushd download
+  wget -q https://huggingface.co/csukuangfj/ljspeech-subset-for-ci-test/resolve/main/LJSpeech-1.1.tar.bz2
+  tar xvf LJSpeech-1.1.tar.bz2
+  popd
+
+  ./prepare.sh
+  tree .
+}
+
+function train() {
+  pushd ./vits
+  sed -i.bak s/200/3/g ./train.py
+  git diff .
+  popd
+
+  for t in low medium high; do
+    ./vits/train.py \
+      --exp-dir vits/exp-$t \
+      --model-type $t \
+      --num-epochs 1 \
+      --save-every-n 1 \
+      --num-buckets 2 \
+      --tokens data/tokens.txt \
+      --max-duration 20
+
+    ls -lh vits/exp-$t
+  done
+}
+
+function infer() {
+  for t in low medium high; do
+    ./vits/infer.py \
+      --num-buckets 2 \
+      --model-type $t \
+      --epoch 1 \
+      --exp-dir ./vits/exp-$t \
+      --tokens data/tokens.txt \
+      --max-duration 20
+  done
+}
+
+function export_onnx() {
+  for t in low medium high; do
+    ./vits/export-onnx.py \
+      --model-type $t \
+      --epoch 1 \
+      --exp-dir ./vits/exp-$t \
+      --tokens data/tokens.txt
+
+    ls -lh vits/exp-$t/
+  done
+}
+
+function test_medium() {
+  git clone https://huggingface.co/csukuangfj/icefall-tts-ljspeech-vits-medium-2024-03-12
+
+  ./vits/export-onnx.py \
+    --model-type medium \
+    --epoch 820 \
+    --exp-dir ./icefall-tts-ljspeech-vits-medium-2024-03-12/exp \
+    --tokens ./icefall-tts-ljspeech-vits-medium-2024-03-12/data/tokens.txt
+
+  ls -lh ./icefall-tts-ljspeech-vits-medium-2024-03-12/exp
+
+  ./vits/test_onnx.py \
+    --model-filename ./icefall-tts-ljspeech-vits-medium-2024-03-12/exp/vits-epoch-820.onnx \
+    --tokens ./icefall-tts-ljspeech-vits-medium-2024-03-12/data/tokens.txt \
+    --output-filename /icefall/test-medium.wav
+
+  ls -lh /icefall/test-medium.wav
+
+  d=/icefall/vits-icefall-en_US-ljspeech-medium
+  mkdir $d
+  cp -v ./icefall-tts-ljspeech-vits-medium-2024-03-12/data/tokens.txt $d/
+  cp -v ./icefall-tts-ljspeech-vits-medium-2024-03-12/exp/vits-epoch-820.onnx $d/model.onnx
+
+  rm -rf icefall-tts-ljspeech-vits-medium-2024-03-12
+
+  pushd $d
+  wget -q https://github.com/k2-fsa/sherpa-onnx/releases/download/tts-models/espeak-ng-data.tar.bz2
+  tar xf espeak-ng-data.tar.bz2
+  rm espeak-ng-data.tar.bz2
+  cd ..
+  tar cjf vits-icefall-en_US-ljspeech-medium.tar.bz2 vits-icefall-en_US-ljspeech-medium
+  rm -rf vits-icefall-en_US-ljspeech-medium
+  ls -lh *.tar.bz2
+  popd
+}
+
+function test_low() {
+  git clone https://huggingface.co/csukuangfj/icefall-tts-ljspeech-vits-low-2024-03-12
+
+  ./vits/export-onnx.py \
+    --model-type low \
+    --epoch 1600 \
+    --exp-dir ./icefall-tts-ljspeech-vits-low-2024-03-12/exp \
+    --tokens ./icefall-tts-ljspeech-vits-low-2024-03-12/data/tokens.txt
+
+  ls -lh ./icefall-tts-ljspeech-vits-low-2024-03-12/exp
+
+  ./vits/test_onnx.py \
+    --model-filename ./icefall-tts-ljspeech-vits-low-2024-03-12/exp/vits-epoch-1600.onnx \
+    --tokens ./icefall-tts-ljspeech-vits-low-2024-03-12/data/tokens.txt \
+    --output-filename /icefall/test-low.wav
+
+  ls -lh /icefall/test-low.wav
+
+  d=/icefall/vits-icefall-en_US-ljspeech-low
+  mkdir $d
+  cp -v ./icefall-tts-ljspeech-vits-low-2024-03-12/data/tokens.txt $d/
+  cp -v ./icefall-tts-ljspeech-vits-low-2024-03-12/exp/vits-epoch-1600.onnx $d/model.onnx
+
+  rm -rf icefall-tts-ljspeech-vits-low-2024-03-12
+
+  pushd $d
+  wget -q https://github.com/k2-fsa/sherpa-onnx/releases/download/tts-models/espeak-ng-data.tar.bz2
+  tar xf espeak-ng-data.tar.bz2
+  rm espeak-ng-data.tar.bz2
+  cd ..
+  tar cjf vits-icefall-en_US-ljspeech-low.tar.bz2 vits-icefall-en_US-ljspeech-low
+  rm -rf vits-icefall-en_US-ljspeech-low
+  ls -lh *.tar.bz2
+  popd
+}
+
+prepare_data
+train
+infer
+export_onnx
+rm -rf vits/exp-{low,medium,high}
+test_medium
+test_low

.github/scripts/multi_zh-hans/ASR/run.sh

@@ -0,0 +1,756 @@
+#!/usr/bin/env bash
+
+set -ex
+
+git config --global user.name "k2-fsa"
+git config --global user.email "csukuangfj@gmail.com"
+git config --global lfs.allowincompletepush true
+
+python3 -m pip install onnxmltools==1.13.0 onnx==1.17.0 onnxruntime==1.17.1 sherpa-onnx
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/multi_zh-hans/ASR
+
+log "pwd: $PWD"
+
+function run_2023_9_2() {
+  repo_url=https://huggingface.co/zrjin/icefall-asr-multi-zh-hans-zipformer-2023-9-2
+  log "Downloading pre-trained model from $repo_url"
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  repo=$(basename $repo_url)
+  pushd $repo
+  cd exp
+  git lfs pull --include pretrained.pt
+  ln -s pretrained.pt epoch-99.pt
+  cd ../data/lang_bpe_2000
+  ls -lh
+  git lfs pull --include L.pt L_disambig.pt Linv.pt bpe.model
+  git lfs pull --include "*.model"
+  ls -lh
+  popd
+
+  log "--------------------------------------------"
+  log "Export non-streaming ONNX transducer models "
+  log "--------------------------------------------"
+  ./zipformer/export-onnx.py \
+    --tokens $repo/data/lang_bpe_2000/tokens.txt \
+    --use-averaged-model 0 \
+    --epoch 99 \
+    --avg 1 \
+    --exp-dir $repo/exp \
+    --causal False \
+    --fp16 1
+
+  ls -lh $repo/exp
+
+  ./zipformer/onnx_pretrained.py \
+    --encoder-model-filename $repo/exp/encoder-epoch-99-avg-1.onnx \
+    --decoder-model-filename $repo/exp/decoder-epoch-99-avg-1.onnx \
+    --joiner-model-filename $repo/exp/joiner-epoch-99-avg-1.onnx \
+    --tokens $repo/data/lang_bpe_2000/tokens.txt \
+    $repo/test_wavs/DEV_T0000000000.wav \
+    $repo/test_wavs/DEV_T0000000001.wav \
+    $repo/test_wavs/DEV_T0000000002.wav \
+    $repo/test_wavs/TEST_MEETING_T0000000113.wav \
+    $repo/test_wavs/TEST_MEETING_T0000000219.wav \
+    $repo/test_wavs/TEST_MEETING_T0000000351.wav
+
+  ./zipformer/onnx_pretrained.py \
+    --encoder-model-filename $repo/exp/encoder-epoch-99-avg-1.int8.onnx \
+    --decoder-model-filename $repo/exp/decoder-epoch-99-avg-1.onnx \
+    --joiner-model-filename $repo/exp/joiner-epoch-99-avg-1.int8.onnx \
+    --tokens $repo/data/lang_bpe_2000/tokens.txt \
+    $repo/test_wavs/DEV_T0000000000.wav \
+    $repo/test_wavs/DEV_T0000000001.wav \
+    $repo/test_wavs/DEV_T0000000002.wav \
+    $repo/test_wavs/TEST_MEETING_T0000000113.wav \
+    $repo/test_wavs/TEST_MEETING_T0000000219.wav \
+    $repo/test_wavs/TEST_MEETING_T0000000351.wav
+
+  ./zipformer/onnx_pretrained.py \
+    --encoder-model-filename $repo/exp/encoder-epoch-99-avg-1.fp16.onnx \
+    --decoder-model-filename $repo/exp/decoder-epoch-99-avg-1.fp16.onnx \
+    --joiner-model-filename $repo/exp/joiner-epoch-99-avg-1.fp16.onnx \
+    --tokens $repo/data/lang_bpe_2000/tokens.txt \
+    $repo/test_wavs/DEV_T0000000000.wav \
+    $repo/test_wavs/DEV_T0000000001.wav \
+    $repo/test_wavs/DEV_T0000000002.wav \
+    $repo/test_wavs/TEST_MEETING_T0000000113.wav \
+    $repo/test_wavs/TEST_MEETING_T0000000219.wav \
+    $repo/test_wavs/TEST_MEETING_T0000000351.wav
+
+  rm -rf $repo
+}
+
+function run_2023_11_05_streaming() {
+  repo_url=https://huggingface.co/zrjin/icefall-asr-multi-zh-hans-zipformer-ctc-streaming-2023-11-05
+  log "Downloading pre-trained model from $repo_url"
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  repo=$(basename $repo_url)
+
+  pushd $repo
+  cd exp/
+  git lfs pull --include pretrained.pt
+  rm -fv epoch-20.pt
+  rm -fv *.onnx
+  ln -s pretrained.pt epoch-20.pt
+  cd ../data/lang_bpe_2000
+  ls -lh
+  git lfs pull --include L.pt L_disambig.pt Linv.pt bpe.model
+  git lfs pull --include "*.model"
+  ls -lh
+  popd
+
+  log "----------------------------------------"
+  log "Export streaming ONNX CTC models "
+  log "----------------------------------------"
+  ./zipformer/export-onnx-streaming-ctc.py \
+    --exp-dir $repo/exp \
+    --tokens $repo/data/lang_bpe_2000/tokens.txt \
+    --causal 1 \
+    --avg 1 \
+    --epoch 20 \
+    --use-averaged-model 0 \
+    --chunk-size 16 \
+    --left-context-frames 128 \
+    --use-ctc 1 \
+    --fp16 1
+
+  ls -lh $repo/exp/
+
+  log "------------------------------------------------------------"
+  log "Test exported streaming ONNX CTC models (greedy search)     "
+  log "------------------------------------------------------------"
+
+  test_wavs=(
+    DEV_T0000000000.wav
+    DEV_T0000000001.wav
+    DEV_T0000000002.wav
+    TEST_MEETING_T0000000113.wav
+    TEST_MEETING_T0000000219.wav
+    TEST_MEETING_T0000000351.wav
+  )
+
+  for w in ${test_wavs[@]}; do
+    log "----fp32----"
+    ./zipformer/onnx_pretrained-streaming-ctc.py \
+      --model-filename $repo/exp/ctc-epoch-20-avg-1-chunk-16-left-128.onnx \
+      --tokens $repo/data/lang_bpe_2000/tokens.txt \
+      $repo/test_wavs/$w
+
+    log "----int8----"
+
+    ./zipformer/onnx_pretrained-streaming-ctc.py \
+      --model-filename $repo/exp/ctc-epoch-20-avg-1-chunk-16-left-128.int8.onnx \
+      --tokens $repo/data/lang_bpe_2000/tokens.txt \
+      $repo/test_wavs/$w
+
+    log "----fp16----"
+
+    ./zipformer/onnx_pretrained-streaming-ctc.py \
+      --model-filename $repo/exp/ctc-epoch-20-avg-1-chunk-16-left-128.fp16.onnx \
+      --tokens $repo/data/lang_bpe_2000/tokens.txt \
+      $repo/test_wavs/$w
+  done
+
+  log "Upload onnx CTC models to huggingface"
+  name=(
+    sherpa-onnx-streaming-zipformer-ctc-multi-zh-hans-2023-12-13
+    sherpa-onnx-streaming-zipformer-ctc-multi-zh-hans-int8-2023-12-13
+    sherpa-onnx-streaming-zipformer-ctc-multi-zh-hans-fp16-2023-12-13
+    )
+  for n in ${name[@]}; do
+      url=https://huggingface.co/k2-fsa/$n
+      GIT_LFS_SKIP_SMUDGE=1 git clone $url
+      dst=$(basename $url)
+      if [[ $n == sherpa-onnx-streaming-zipformer-ctc-multi-zh-hans-2023-12-13 ]]; then
+        cp -v $repo/exp/ctc-epoch-20-avg-1-chunk-16-left-128.onnx $dst
+      elif [[ $n == sherpa-onnx-streaming-zipformer-ctc-multi-zh-hans-int8-2023-12-13 ]]; then
+        cp -v $repo/exp/ctc-epoch-20-avg-1-chunk-16-left-128.int8.onnx $dst
+      elif [[ $n == sherpa-onnx-streaming-zipformer-ctc-multi-zh-hans-fp16-2023-12-13 ]]; then
+        cp -v $repo/exp/ctc-epoch-20-avg-1-chunk-16-left-128.fp16.onnx $dst
+      fi
+
+      cp -v $repo/data/lang_bpe_2000/tokens.txt $dst
+      cp -v $repo/data/lang_bpe_2000/bpe.model $dst
+      mkdir -p $dst/test_wavs
+      cp -v $repo/test_wavs/*.wav $dst/test_wavs
+      cd $dst
+      git lfs track "*.onnx" "bpe.model" "*.wav"
+      ls -lh
+      file bpe.model
+      git status
+      git add .
+      git commit -m "upload model" && git push https://k2-fsa:${HF_TOKEN}@huggingface.co/k2-fsa/$dst main || true
+
+      log "Upload models to https://github.com/k2-fsa/sherpa-onnx"
+      rm -rf .git
+      rm -fv .gitattributes
+      cd ..
+      tar cjfv $dst.tar.bz2 $dst
+      ls -lh *.tar.bz2
+      mv -v $dst.tar.bz2 ../../../
+  done
+
+  log "----------------------------------------"
+  log "Export streaming ONNX transducer models "
+  log "----------------------------------------"
+
+  ./zipformer/export-onnx-streaming.py \
+    --exp-dir $repo/exp \
+    --tokens $repo/data/lang_bpe_2000/tokens.txt \
+    --causal 1 \
+    --avg 1 \
+    --epoch 20 \
+    --use-averaged-model 0 \
+    --chunk-size 16 \
+    --left-context-frames 128 \
+    --use-ctc 0 \
+    --fp16 1
+
+  ls -lh $repo/exp
+
+  log "------------------------------------------------------------"
+  log "Test exported streaming ONNX transducer models (Python code)"
+  log "------------------------------------------------------------"
+
+  log "test fp32"
+  ./zipformer/onnx_pretrained-streaming.py \
+    --encoder-model-filename $repo/exp/encoder-epoch-20-avg-1-chunk-16-left-128.onnx \
+    --decoder-model-filename $repo/exp/decoder-epoch-20-avg-1-chunk-16-left-128.onnx \
+    --joiner-model-filename $repo/exp/joiner-epoch-20-avg-1-chunk-16-left-128.onnx \
+    --tokens $repo/data/lang_bpe_2000/tokens.txt \
+    $repo/test_wavs/DEV_T0000000000.wav
+
+  log "test int8"
+  ./zipformer/onnx_pretrained-streaming.py \
+    --encoder-model-filename $repo/exp/encoder-epoch-20-avg-1-chunk-16-left-128.int8.onnx \
+    --decoder-model-filename $repo/exp/decoder-epoch-20-avg-1-chunk-16-left-128.onnx \
+    --joiner-model-filename $repo/exp/joiner-epoch-20-avg-1-chunk-16-left-128.int8.onnx \
+    --tokens $repo/data/lang_bpe_2000/tokens.txt \
+    $repo/test_wavs/DEV_T0000000000.wav
+
+  log "test fp16"
+  ./zipformer/onnx_pretrained-streaming.py \
+    --encoder-model-filename $repo/exp/encoder-epoch-20-avg-1-chunk-16-left-128.fp16.onnx \
+    --decoder-model-filename $repo/exp/decoder-epoch-20-avg-1-chunk-16-left-128.fp16.onnx \
+    --joiner-model-filename $repo/exp/joiner-epoch-20-avg-1-chunk-16-left-128.fp16.onnx \
+    --tokens $repo/data/lang_bpe_2000/tokens.txt \
+    $repo/test_wavs/DEV_T0000000000.wav
+
+  name=(
+    sherpa-onnx-streaming-zipformer-multi-zh-hans-2023-12-13
+    sherpa-onnx-streaming-zipformer-multi-zh-hans-int8-2023-12-13
+    sherpa-onnx-streaming-zipformer-multi-zh-hans-fp16-2023-12-13
+  )
+
+  for n in ${name[@]}; do
+      url=https://huggingface.co/csukuangfj/$n
+      GIT_LFS_SKIP_SMUDGE=1 git clone $url
+      dst=$(basename $url)
+      if [[ $n == sherpa-onnx-streaming-zipformer-multi-zh-hans-2023-12-13 ]]; then
+        cp -v $repo/exp/encoder-epoch-20-avg-1-chunk-16-left-128.onnx $dst
+        cp -v $repo/exp/decoder-epoch-20-avg-1-chunk-16-left-128.onnx $dst
+        cp -v $repo/exp/joiner-epoch-20-avg-1-chunk-16-left-128.onnx $dst
+      elif [[ $n == sherpa-onnx-streaming-zipformer-multi-zh-hans-int8-2023-12-13 ]]; then
+        cp -v $repo/exp/encoder-epoch-20-avg-1-chunk-16-left-128.int8.onnx $dst
+        cp -v $repo/exp/decoder-epoch-20-avg-1-chunk-16-left-128.onnx $dst
+        cp -v $repo/exp/joiner-epoch-20-avg-1-chunk-16-left-128.int8.onnx $dst
+      elif [[ $n == sherpa-onnx-streaming-zipformer-multi-zh-hans-fp16-2023-12-13 ]]; then
+        cp -v $repo/exp/encoder-epoch-20-avg-1-chunk-16-left-128.fp16.onnx $dst
+        cp -v $repo/exp/decoder-epoch-20-avg-1-chunk-16-left-128.fp16.onnx $dst
+        cp -v $repo/exp/joiner-epoch-20-avg-1-chunk-16-left-128.fp16.onnx $dst
+      fi
+
+      cp -v $repo/data/lang_bpe_2000/tokens.txt $dst
+      cp -v $repo/data/lang_bpe_2000/bpe.model $dst
+      mkdir -p $dst/test_wavs
+      cp -v $repo/test_wavs/*.wav $dst/test_wavs
+      cd $dst
+      git lfs track "*.onnx" "bpe.model" "*.wav"
+      ls -lh
+      file bpe.model
+      git status
+      git add .
+      git commit -m "upload model" && git push https://csukuangfj:${HF_TOKEN}@huggingface.co/csukuangfj/$dst main || true
+
+      log "Upload models to https://github.com/k2-fsa/sherpa-onnx"
+      rm -rf .git
+      rm -fv .gitattributes
+      cd ..
+      tar cjfv $dst.tar.bz2 $dst
+      ls -lh *.tar.bz2
+      mv -v $dst.tar.bz2 ../../../
+  done
+}
+
+function run_2023_12_12_streaming() {
+  log "Upload onnx transducer models to huggingface"
+
+  url=https://huggingface.co/k2-fsa/sherpa-onnx-streaming-zipformer-multi-zh-hans-2023-12-12
+  GIT_LFS_SKIP_SMUDGE=1 git clone $url
+  dst=$(basename $url)
+  cp -v $repo/exp/encoder*.onnx $dst
+  cp -v $repo/exp/decoder*.onnx $dst
+  cp -v $repo/exp/joiner*.onnx $dst
+  cp -v $repo/data/lang_bpe_2000/tokens.txt $dst
+  cp -v $repo/data/lang_bpe_2000/bpe.model $dst
+  mkdir -p $dst/test_wavs
+  cp -v $repo/test_wavs/*.wav $dst/test_wavs
+  cd $dst
+  git lfs track "*.onnx" bpe.model "*.wav"
+  git add .
+  git commit -m "upload model" && git push https://k2-fsa:${HF_TOKEN}@huggingface.co/k2-fsa/$dst main || true
+
+  log "Upload models to https://github.com/k2-fsa/sherpa-onnx"
+  rm -rf .git
+  rm -fv .gitattributes
+  cd ..
+  tar cjfv $dst.tar.bz2 $dst
+  ls -lh *.tar.bz2
+  mv -v $dst.tar.bz2 ../../../
+}
+
+function run_yuekai_large() {
+  repo_url=https://csukuangfj:${HF_TOKEN}@huggingface.co/yuekai/icefall-asr-multi-zh-hans-zipformer-large
+  log "Downloading pre-trained model from $repo_url"
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  repo=$(basename $repo_url)
+  pushd $repo
+  git lfs pull --include pretrained.pt
+  mv pretrained.pt epoch-99.pt
+  curl -SL -O https://huggingface.co/pingzxy/icefall-asr-multi-zh-hans-zipformer-large-onnx/resolve/main/tokens.txt
+  popd
+
+  log "----------------------------------------"
+  log "Export streaming ONNX CTC models "
+  log "----------------------------------------"
+  ./zipformer/export-onnx-streaming-ctc.py \
+    --exp-dir $repo/ \
+    --tokens $repo/tokens.txt \
+    --causal 1 \
+    --avg 1 \
+    --epoch 99 \
+    --use-averaged-model 0 \
+    --chunk-size 16 \
+    --left-context-frames 128 \
+    --use-ctc 1 \
+    \
+    --num-encoder-layers 2,2,4,5,4,2 \
+    --feedforward-dim 768,1024,1536,2048,1536,768 \
+    --encoder-dim 256,384,512,768,512,256 \
+    --encoder-unmasked-dim 192,192,256,320,256,192 \
+    \
+    --fp16 1 \
+    --use-whisper-features 1
+
+
+  ls -lh $repo/
+  pushd $repo
+
+cat >README.md <<EOF
+# Introduction
+
+This model is converted
+from
+https://huggingface.co/yuekai/icefall-asr-multi-zh-hans-zipformer-large
+
+The training code can be found at
+https://github.com/k2-fsa/icefall/blob/master/egs/multi_zh-hans/ASR/RESULTS.md#multi-chinese-datasets-char-based-training-results-streaming-on-zipformer-large-model
+EOF
+
+  mv -v ctc-epoch-99-avg-1-chunk-16-left-128.fp16.onnx model.fp16.onnx
+  mv -v ctc-epoch-99-avg-1-chunk-16-left-128.int8.onnx model.int8.onnx
+  mv -v ctc-epoch-99-avg-1-chunk-16-left-128.onnx model.onnx
+
+  ls -lh *.onnx
+
+  mkdir test_wavs
+  cd test_wavs
+  curl -SL -O https://huggingface.co/csukuangfj/sherpa-onnx-streaming-zipformer-small-ctc-zh-int8-2025-04-01/resolve/main/test_wavs/0.wav
+  curl -SL -O https://huggingface.co/csukuangfj/sherpa-onnx-streaming-zipformer-small-ctc-zh-int8-2025-04-01/resolve/main/test_wavs/1.wav
+  curl -SL -O https://huggingface.co/csukuangfj/sherpa-onnx-streaming-zipformer-small-ctc-zh-int8-2025-04-01/resolve/main/test_wavs/8k.wav
+  popd
+
+  for w in 0.wav 1.wav 8k.wav; do
+    log "---fp32---"
+    sherpa-onnx \
+      --zipformer2-ctc-model=$repo/model.onnx \
+      --tokens=$repo/tokens.txt \
+      $repo/test_wavs/$w
+
+    log "---int8---"
+
+    sherpa-onnx \
+      --zipformer2-ctc-model=$repo/model.int8.onnx \
+      --tokens=$repo/tokens.txt \
+      $repo/test_wavs/$w
+
+    log "---fp16---"
+
+    sherpa-onnx \
+      --zipformer2-ctc-model=$repo/model.fp16.onnx \
+      --tokens=$repo/tokens.txt \
+      $repo/test_wavs/$w
+  done
+
+  name=(
+    sherpa-onnx-streaming-zipformer-ctc-zh-2025-06-30
+    sherpa-onnx-streaming-zipformer-ctc-zh-int8-2025-06-30
+    sherpa-onnx-streaming-zipformer-ctc-zh-fp16-2025-06-30
+  )
+  for n in ${name[@]}; do
+      url=https://huggingface.co/csukuangfj/$n
+      GIT_LFS_SKIP_SMUDGE=1 git clone $url
+      dst=$(basename $url)
+      if [[ $n == sherpa-onnx-streaming-zipformer-ctc-zh-2025-06-30 ]]; then
+        cp -v $repo/model.onnx $dst
+      elif [[ $n == sherpa-onnx-streaming-zipformer-ctc-zh-int8-2025-06-30 ]]; then
+        cp -v $repo/model.int8.onnx $dst
+      elif [[ $n == sherpa-onnx-streaming-zipformer-ctc-zh-fp16-2025-06-30 ]]; then
+        cp -v $repo/model.fp16.onnx $dst
+      fi
+
+      cp -v $repo/tokens.txt $dst
+      cp -v $repo/README.md $dst
+      mkdir -p $dst/test_wavs
+      cp -v $repo/test_wavs/*.wav $dst/test_wavs
+      cd $dst
+      git lfs track "*.onnx" "*.wav"
+      ls -lh
+      git status
+      git add .
+      git commit -m "upload model" && git push https://csukuangfj:${HF_TOKEN}@huggingface.co/csukuangfj/$dst main || true
+
+      log "Upload models to https://github.com/k2-fsa/sherpa-onnx"
+      rm -rf .git
+      rm -fv .gitattributes
+      cd ..
+      tar cjfv $dst.tar.bz2 $dst
+      ls -lh *.tar.bz2
+      mv -v $dst.tar.bz2 ../../../
+  done
+
+  rm $repo/*.onnx
+
+  log "----------------------------------------"
+  log "Export streaming ONNX transducer models "
+  log "----------------------------------------"
+
+  ./zipformer/export-onnx-streaming.py \
+    --exp-dir $repo \
+    --tokens $repo/tokens.txt \
+    --causal 1 \
+    --avg 1 \
+    --epoch 99 \
+    --use-averaged-model 0 \
+    --chunk-size 16 \
+    --left-context-frames 128 \
+    --use-ctc 0 \
+    \
+    --num-encoder-layers 2,2,4,5,4,2 \
+    --feedforward-dim 768,1024,1536,2048,1536,768 \
+    --encoder-dim 256,384,512,768,512,256 \
+    --encoder-unmasked-dim 192,192,256,320,256,192 \
+    \
+    --fp16 1 \
+    --use-whisper-features 1
+
+  ls -lh $repo
+  pushd $repo
+  for m in encoder decoder joiner; do
+    mv -v $m-epoch-99-avg-1-chunk-16-left-128.onnx $m.onnx
+    mv -v $m-epoch-99-avg-1-chunk-16-left-128.fp16.onnx $m.fp16.onnx
+    mv -v $m-epoch-99-avg-1-chunk-16-left-128.int8.onnx $m.int8.onnx
+  done
+  ls -lh *.onnx
+  popd
+
+  for w in 0.wav 1.wav 8k.wav; do
+    log "---fp32---"
+      sherpa-onnx \
+        --encoder=$repo/encoder.onnx \
+        --decoder=$repo/decoder.onnx \
+        --joiner=$repo/joiner.onnx \
+        --tokens=$repo/tokens.txt \
+        $repo/test_wavs/$w
+
+    log "---int8---"
+
+      sherpa-onnx \
+        --encoder=$repo/encoder.int8.onnx \
+        --decoder=$repo/decoder.onnx \
+        --joiner=$repo/joiner.int8.onnx \
+        --tokens=$repo/tokens.txt \
+        $repo/test_wavs/$w
+
+    log "---fp16---"
+
+      sherpa-onnx \
+        --encoder=$repo/encoder.fp16.onnx \
+        --decoder=$repo/decoder.fp16.onnx \
+        --joiner=$repo/joiner.fp16.onnx \
+        --tokens=$repo/tokens.txt \
+        $repo/test_wavs/$w
+  done
+
+  name=(
+    sherpa-onnx-streaming-zipformer-zh-2025-06-30
+    sherpa-onnx-streaming-zipformer-zh-int8-2025-06-30
+    sherpa-onnx-streaming-zipformer-zh-fp16-2025-06-30
+  )
+  for n in ${name[@]}; do
+      url=https://huggingface.co/csukuangfj/$n
+      GIT_LFS_SKIP_SMUDGE=1 git clone $url
+      dst=$(basename $url)
+      if [[ $n == sherpa-onnx-streaming-zipformer-zh-2025-06-30 ]]; then
+        cp -v $repo/encoder.onnx $dst
+        cp -v $repo/decoder.onnx $dst
+        cp -v $repo/joiner.onnx $dst
+      elif [[ $n == sherpa-onnx-streaming-zipformer-zh-int8-2025-06-30 ]]; then
+        cp -v $repo/encoder.int8.onnx $dst
+        cp -v $repo/decoder.onnx $dst
+        cp -v $repo/joiner.int8.onnx $dst
+      elif [[ $n == sherpa-onnx-streaming-zipformer-zh-fp16-2025-06-30 ]]; then
+        cp -v $repo/encoder.fp16.onnx $dst
+        cp -v $repo/decoder.fp16.onnx $dst
+        cp -v $repo/joiner.fp16.onnx $dst
+      fi
+
+      cp -v $repo/tokens.txt $dst
+      cp -v $repo/README.md $dst
+      mkdir -p $dst/test_wavs
+      cp -v $repo/test_wavs/*.wav $dst/test_wavs
+      cd $dst
+      git lfs track "*.onnx" "*.wav"
+      ls -lh
+      git status
+      git add .
+      git commit -m "upload model" && git push https://csukuangfj:${HF_TOKEN}@huggingface.co/csukuangfj/$dst main || true
+
+      log "Upload models to https://github.com/k2-fsa/sherpa-onnx"
+      rm -rf .git
+      rm -fv .gitattributes
+      cd ..
+      tar cjfv $dst.tar.bz2 $dst
+      ls -lh *.tar.bz2
+      mv -v $dst.tar.bz2 ../../../
+  done
+}
+
+function run_yuekai_xl() {
+  repo_url=https://csukuangfj:${HF_TOKEN}@huggingface.co/yuekai/icefall-asr-multi-zh-hans-zipformer-xl
+  log "Downloading pre-trained model from $repo_url"
+  GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+  repo=$(basename $repo_url)
+
+  pushd $repo
+  git lfs pull --include pretrained.pt
+  git lfs pull --include data/lang_bpe_2000/bpe.model
+  mv pretrained.pt epoch-99.pt
+  ls -lh *.pt
+  popd
+
+  log "----------------------------------------"
+  log "Export streaming ONNX CTC models "
+  log "----------------------------------------"
+  ./zipformer/export-onnx-streaming-ctc.py \
+    --exp-dir $repo/ \
+    --tokens $repo/data/lang_bpe_2000/tokens.txt \
+    --causal 1 \
+    --avg 1 \
+    --epoch 99 \
+    --use-averaged-model 0 \
+    --chunk-size 16 \
+    --left-context-frames 128 \
+    --use-ctc 1 \
+    \
+    --num-encoder-layers 2,3,5,6,5,3 \
+    --feedforward-dim 1536,2048,3072,4096,3072,1536 \
+    --encoder-dim 512,768,1024,1536,1024,512 \
+    --encoder-unmasked-dim 192,192,256,320,256,192 \
+    --decoder-dim 768 --joiner-dim 768 \
+    --value-head-dim 18 \
+    --query-head-dim 48 \
+    --num-heads 4,4,4,8,4,4 \
+    \
+    --fp16 1 \
+    --use-whisper-features 1 \
+    --use-external-data 1
+
+  mv -v ctc-epoch-99-avg-1-chunk-16-left-128.int8.onnx model.int8.onnx
+  mv -v ctc-epoch-99-avg-1-chunk-16-left-128.fp16.onnx model.fp16.onnx
+
+  ls -lh *.onnx
+
+  mkdir test_wavs
+  pushd test_wavs
+  curl -SL -O https://huggingface.co/csukuangfj/sherpa-onnx-streaming-zipformer-small-ctc-zh-int8-2025-04-01/resolve/main/test_wavs/0.wav
+  curl -SL -O https://huggingface.co/csukuangfj/sherpa-onnx-streaming-zipformer-small-ctc-zh-int8-2025-04-01/resolve/main/test_wavs/1.wav
+  curl -SL -O https://huggingface.co/csukuangfj/sherpa-onnx-streaming-zipformer-small-ctc-zh-int8-2025-04-01/resolve/main/test_wavs/8k.wav
+  popd
+
+  for w in 0.wav 1.wav 8k.wav; do
+    log "---int8---"
+
+    sherpa-onnx \
+      --zipformer2-ctc-model=./model.int8.onnx \
+      --tokens=$repo/data/lang_bpe_2000/tokens.txt \
+      test_wavs/$w
+
+    log "---fp16---"
+
+    sherpa-onnx \
+      --zipformer2-ctc-model=./model.fp16.onnx \
+      --tokens=$repo/data/lang_bpe_2000/tokens.txt \
+      test_wavs/$w
+  done
+
+  pushd $repo
+cat >README.md <<EOF
+# Introduction
+
+This model is converted
+from
+https://huggingface.co/yuekai/icefall-asr-multi-zh-hans-zipformer-xl
+
+The training code can be found at
+https://github.com/k2-fsa/icefall/blob/master/egs/multi_zh-hans/ASR/RESULTS.md#multi-chinese-datasets-char-based-training-results-streaming-on-zipformer-xl-model
+EOF
+  popd
+
+  name=(
+    sherpa-onnx-streaming-zipformer-ctc-zh-xlarge-int8-2025-06-30
+    sherpa-onnx-streaming-zipformer-ctc-zh-xlarge-fp16-2025-06-30
+  )
+
+  for n in ${name[@]}; do
+      url=https://huggingface.co/csukuangfj/$n
+      GIT_LFS_SKIP_SMUDGE=1 git clone $url
+      dst=$(basename $url)
+      if [[ $n == sherpa-onnx-streaming-zipformer-ctc-zh-xlarge-fp16-2025-06-30 ]]; then
+        cp -v model.fp16.onnx $dst
+      elif [[ $n == sherpa-onnx-streaming-zipformer-ctc-zh-xlarge-int8-2025-06-30 ]]; then
+        cp -v model.int8.onnx $dst
+      fi
+
+      cp -v $repo/data/lang_bpe_2000/tokens.txt $dst
+      cp -v $repo/data/lang_bpe_2000/bpe.model $dst
+      cp -v $repo/README.md $dst
+      mkdir -p $dst/test_wavs
+      cp -v ./test_wavs/*.wav $dst/test_wavs
+      cd $dst
+      git lfs track "*.onnx" "*.wav" "bpe.model"
+      ls -lh
+      git status
+      git add .
+      git commit -m "upload model" && git push https://csukuangfj:${HF_TOKEN}@huggingface.co/csukuangfj/$dst main || true
+
+      log "Upload models to https://github.com/k2-fsa/sherpa-onnx"
+      rm -rf .git
+      rm -fv .gitattributes
+      cd ..
+
+      ls -lh $dst
+      tar cjfv $dst.tar.bz2 $dst
+      ls -lh *.tar.bz2
+      mv -v $dst.tar.bz2 ../../../
+  done
+
+  rm -fv *.onnx *.weights
+
+  log "----------------------------------------"
+  log "Export streaming ONNX transducer models "
+  log "----------------------------------------"
+
+  ./zipformer/export-onnx-streaming.py \
+    --exp-dir $repo/ \
+    --tokens $repo/data/lang_bpe_2000/tokens.txt \
+    --causal 1 \
+    --avg 1 \
+    --epoch 99 \
+    --use-averaged-model 0 \
+    --chunk-size 16 \
+    --left-context-frames 128 \
+    --use-ctc 0 \
+    \
+    --num-encoder-layers 2,3,5,6,5,3 \
+    --feedforward-dim 1536,2048,3072,4096,3072,1536 \
+    --encoder-dim 512,768,1024,1536,1024,512 \
+    --encoder-unmasked-dim 192,192,256,320,256,192 \
+    --decoder-dim 768 --joiner-dim 768 \
+    --value-head-dim 18 \
+    --query-head-dim 48 \
+    --num-heads 4,4,4,8,4,4 \
+    \
+    --fp16 1 \
+    --use-whisper-features 1 \
+    --use-external-data 1
+
+    ls -lh *.onnx
+    ls -lh *.weights
+
+    mv encoder-epoch-99-avg-1-chunk-16-left-128.fp16.onnx encoder.fp16.onnx
+    mv encoder-epoch-99-avg-1-chunk-16-left-128.int8.onnx encoder.int8.onnx
+
+    mv $repo/decoder-epoch-99-avg-1-chunk-16-left-128.onnx decoder.onnx
+    mv $repo/decoder-epoch-99-avg-1-chunk-16-left-128.fp16.onnx decoder.fp16.onnx
+
+    mv $repo/joiner-epoch-99-avg-1-chunk-16-left-128.int8.onnx joiner.int8.onnx
+    mv $repo/joiner-epoch-99-avg-1-chunk-16-left-128.fp16.onnx joiner.fp16.onnx
+
+  name=(
+    sherpa-onnx-streaming-zipformer-zh-xlarge-int8-2025-06-30
+    sherpa-onnx-streaming-zipformer-zh-xlarge-fp16-2025-06-30
+  )
+
+  for n in ${name[@]}; do
+      url=https://huggingface.co/csukuangfj/$n
+      GIT_LFS_SKIP_SMUDGE=1 git clone $url
+      dst=$(basename $url)
+      if [[ $n == sherpa-onnx-streaming-zipformer-zh-xlarge-fp16-2025-06-30 ]]; then
+        cp -v encoder.fp16.onnx $dst
+        cp -v decoder.fp16.onnx $dst
+        cp -v joiner.fp16.onnx $dst
+      elif [[ $n == sherpa-onnx-streaming-zipformer-zh-xlarge-int8-2025-06-30 ]]; then
+        cp -v encoder.int8.onnx $dst
+        cp -v decoder.onnx $dst
+        cp -v joiner.int8.onnx $dst
+      fi
+
+      cp -v $repo/data/lang_bpe_2000/tokens.txt $dst
+      cp -v $repo/data/lang_bpe_2000/bpe.model $dst
+      cp -v $repo/README.md $dst
+      mkdir -p $dst/test_wavs
+      cp -v ./test_wavs/*.wav $dst/test_wavs
+      cd $dst
+      git lfs track "*.onnx" "*.wav" "bpe.model"
+      ls -lh
+      git status
+      git add .
+      git commit -m "upload model" && git push https://csukuangfj:${HF_TOKEN}@huggingface.co/csukuangfj/$dst main || true
+
+      log "Upload models to https://github.com/k2-fsa/sherpa-onnx"
+      rm -rf .git
+      rm -fv .gitattributes
+      cd ..
+
+      ls -lh $dst
+      tar cjfv $dst.tar.bz2 $dst
+      ls -lh *.tar.bz2
+      mv -v $dst.tar.bz2 ../../../
+  done
+
+  rm -fv *.onnx *.weights
+}
+
+# run_yuekai_large
+# run_yuekai_xl
+# run_2023_9_2
+run_2023_11_05_streaming
+# run_2023_12_12_streaming

.github/scripts/multi_zh-hans/ASR/run_rknn.sh

@@ -0,0 +1,73 @@
+#!/usr/bin/env bash
+
+set -ex
+
+python3 -m pip install kaldi-native-fbank soundfile librosa
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/multi_zh-hans/ASR
+
+
+
+# https://k2-fsa.github.io/sherpa/onnx/pretrained_models/online-transducer/zipformer-transducer-models.html#sherpa-onnx-streaming-zipformer-multi-zh-hans-2023-12-12-chinese
+function export_2023_11_05() {
+  d=exp
+  mkdir $d
+  pushd $d
+  curl -SL -O https://huggingface.co/zrjin/icefall-asr-multi-zh-hans-zipformer-ctc-streaming-2023-11-05/resolve/main/data/lang_bpe_2000/tokens.txt
+  curl -SL -O https://huggingface.co/zrjin/icefall-asr-multi-zh-hans-zipformer-ctc-streaming-2023-11-05/resolve/main/exp/pretrained.pt
+  mv pretrained.pt epoch-99.pt
+
+  curl -SL -o 0.wav https://huggingface.co/zrjin/icefall-asr-multi-zh-hans-zipformer-ctc-streaming-2023-11-05/resolve/main/test_wavs/DEV_T0000000000.wav
+  curl -SL -o 1.wav https://huggingface.co/zrjin/icefall-asr-multi-zh-hans-zipformer-ctc-streaming-2023-11-05/resolve/main/test_wavs/DEV_T0000000001.wav
+  curl -SL -o 2.wav https://huggingface.co/zrjin/icefall-asr-multi-zh-hans-zipformer-ctc-streaming-2023-11-05/resolve/main/test_wavs/DEV_T0000000002.wav
+  ls -lh
+  popd
+
+  ./zipformer/export-onnx-streaming.py \
+    --dynamic-batch 0 \
+    --enable-int8-quantization 0 \
+    --tokens $d/tokens.txt \
+    --use-averaged-model 0 \
+    --epoch 99 \
+    --avg 1 \
+    --exp-dir $d \
+    --use-ctc 0 \
+    --use-transducer 1 \
+    --chunk-size 32 \
+    --left-context-frames 128 \
+    --causal 1
+
+  for platform in rk3562 rk3566 rk3568 rk3576 rk3588; do
+    dst=sherpa-onnx-$platform-streaming-zipformer-multi-zh-hans-2023-12-12
+    mkdir -p $dst
+
+    ./zipformer/export_rknn_transducer_streaming.py \
+      --in-encoder $d/encoder-epoch-99-avg-1-chunk-32-left-128.onnx \
+      --in-decoder $d/decoder-epoch-99-avg-1-chunk-32-left-128.onnx \
+      --in-joiner $d/joiner-epoch-99-avg-1-chunk-32-left-128.onnx \
+      --out-encoder $dst/encoder.rknn \
+      --out-decoder $dst/decoder.rknn \
+      --out-joiner $dst/joiner.rknn \
+      --target-platform $platform
+
+    cp $d/tokens.txt $dst
+    mkdir $dst/test_wavs
+    cp $d/*.wav $dst/test_wavs
+
+    tar cjvf $dst.tar.bz2 $dst
+    ls -lh $dst.tar.bz2
+    mv $dst.tar.bz2 /icefall/
+    ls -lh $dst/
+    echo "---"
+
+    rm -rf $dst
+  done
+}
+
+export_2023_11_05

.github/scripts/prepare-librispeech-test-clean-and-test-other-manifests.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+# This script assumes that test-clean and test-other are downloaded
+# to egs/librispeech/ASR/download/LibriSpeech and generates manifest
+# files in egs/librispeech/ASR/data/manifests
+
+set -e
+
+cd egs/librispeech/ASR
+[ ! -e download ] && ln -s ~/tmp/download .
+mkdir -p data/manifests
+lhotse prepare librispeech -j 2 -p test-clean -p test-other ./download/LibriSpeech data/manifests
+ls -lh data/manifests

.github/scripts/run-gigaspeech-pruned-transducer-stateless2-2022-05-12.sh

@@ -0,0 +1,62 @@
+#!/usr/bin/env bash
+
+set -e
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/gigaspeech/ASR
+
+repo_url=https://huggingface.co/wgb14/icefall-asr-gigaspeech-pruned-transducer-stateless2
+
+log "Downloading pre-trained model from $repo_url"
+git lfs install
+git clone $repo_url
+repo=$(basename $repo_url)
+
+echo "GITHUB_EVENT_NAME: ${GITHUB_EVENT_NAME}"
+echo "GITHUB_EVENT_LABEL_NAME: ${GITHUB_EVENT_LABEL_NAME}"
+if [[ x"${GITHUB_EVENT_NAME}" == x"schedule" || x"${GITHUB_EVENT_NAME}" == x"workflow_dispatch" || x"${GITHUB_EVENT_LABEL_NAME}" == x"run-decode"  ]]; then
+  mkdir -p pruned_transducer_stateless2/exp
+  ln -s $PWD/$repo/exp/pretrained-iter-3488000-avg-20.pt pruned_transducer_stateless2/exp/epoch-999.pt
+  ln -s $PWD/$repo/data/lang_bpe_500 data/
+
+  ls -lh data
+  ls -lh data/lang_bpe_500
+  ls -lh data/fbank
+  ls -lh pruned_transducer_stateless2/exp
+
+  pushd data/fbank
+  curl -SL -O https://huggingface.co/csukuangfj/giga-dev-dataset-fbank/resolve/main/data/fbank/cuts_DEV.jsonl.gz
+  curl -SL -O https://huggingface.co/csukuangfj/giga-dev-dataset-fbank/resolve/main/data/fbank/cuts_TEST.jsonl.gz
+  curl -SL -O https://huggingface.co/csukuangfj/giga-dev-dataset-fbank/resolve/main/data/fbank/feats_DEV.lca
+  curl -SL -O https://huggingface.co/csukuangfj/giga-dev-dataset-fbank/resolve/main/data/fbank/feats_TEST.lca
+
+  ln -sf cuts_DEV.jsonl.gz gigaspeech_cuts_DEV.jsonl.gz
+  ln -sf cuts_TEST.jsonl.gz gigaspeech_cuts_TEST.jsonl.gz
+  popd
+
+
+  log "Decoding dev and test"
+
+  # use a small value for decoding with CPU
+  max_duration=100
+
+  # Test only greedy_search to reduce CI running time
+  # for method in greedy_search fast_beam_search modified_beam_search; do
+  for method in greedy_search; do
+    log "Decoding with $method"
+
+    ./pruned_transducer_stateless2/decode.py \
+      --decoding-method $method \
+      --epoch 999 \
+      --avg 1 \
+      --max-duration $max_duration \
+      --exp-dir pruned_transducer_stateless2/exp
+  done
+
+  rm pruned_transducer_stateless2/exp/*.pt
+fi

.github/scripts/run-gigaspeech-zipformer-2023-10-17.sh

@@ -0,0 +1,172 @@
+#!/usr/bin/env bash
+
+set -e
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/gigaspeech/ASR
+
+repo_url=https://huggingface.co/yfyeung/icefall-asr-gigaspeech-zipformer-2023-10-17
+
+log "Downloading pre-trained model from $repo_url"
+git lfs install
+GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+repo=$(basename $repo_url)
+
+log "Display test files"
+tree $repo/
+ls -lh $repo/test_wavs/*.wav
+
+pushd $repo/exp
+git lfs pull --include "data/lang_bpe_500/bpe.model"
+git lfs pull --include "data/lang_bpe_500/tokens.txt"
+git lfs pull --include "exp/jit_script.pt"
+git lfs pull --include "exp/pretrained.pt"
+rm epoch-30.pt
+ln -s pretrained.pt epoch-30.pt
+rm *.onnx
+ls -lh
+popd
+
+log "----------------------------------------"
+log "Export ONNX transducer models "
+log "----------------------------------------"
+
+./zipformer/export-onnx.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --use-averaged-model 0 \
+  --epoch 30 \
+  --avg 1 \
+  --exp-dir $repo/exp
+
+ls -lh $repo/exp
+
+log "------------------------------------------------------------"
+log "Test exported ONNX transducer models (Python code)          "
+log "------------------------------------------------------------"
+
+log "test fp32"
+./zipformer/onnx_pretrained.py \
+  --encoder-model-filename $repo/exp/encoder-epoch-30-avg-1.onnx \
+  --decoder-model-filename $repo/exp/decoder-epoch-30-avg-1.onnx \
+  --joiner-model-filename $repo/exp/joiner-epoch-30-avg-1.onnx \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  $repo/test_wavs/1089-134686-0001.wav \
+  $repo/test_wavs/1221-135766-0001.wav \
+  $repo/test_wavs/1221-135766-0002.wav
+
+log "test int8"
+./zipformer/onnx_pretrained.py \
+  --encoder-model-filename $repo/exp/encoder-epoch-30-avg-1.int8.onnx \
+  --decoder-model-filename $repo/exp/decoder-epoch-30-avg-1.onnx \
+  --joiner-model-filename $repo/exp/joiner-epoch-30-avg-1.int8.onnx \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  $repo/test_wavs/1089-134686-0001.wav \
+  $repo/test_wavs/1221-135766-0001.wav \
+  $repo/test_wavs/1221-135766-0002.wav
+
+log "Upload models to huggingface"
+git config --global user.name "k2-fsa"
+git config --global user.email "xxx@gmail.com"
+
+url=https://huggingface.co/k2-fsa/sherpa-onnx-zipformer-gigaspeech-2023-12-12
+GIT_LFS_SKIP_SMUDGE=1 git clone $url
+dst=$(basename $url)
+cp -v $repo/exp/*.onnx $dst
+cp -v $repo/data/lang_bpe_500/tokens.txt $dst
+cp -v $repo/data/lang_bpe_500/bpe.model $dst
+mkdir -p $dst/test_wavs
+cp -v $repo/test_wavs/*.wav $dst/test_wavs
+cd $dst
+git lfs track "*.onnx"
+git add .
+git commit -m "upload model" && git push https://k2-fsa:${HF_TOKEN}@huggingface.co/k2-fsa/$dst main || true
+
+log "Upload models to https://github.com/k2-fsa/sherpa-onnx"
+rm -rf .git
+rm -fv .gitattributes
+cd ..
+tar cjfv $dst.tar.bz2 $dst
+ls -lh
+mv -v $dst.tar.bz2 ../../../
+
+log "Export to torchscript model"
+./zipformer/export.py \
+  --exp-dir $repo/exp \
+  --use-averaged-model false \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --epoch 30 \
+  --avg 1 \
+  --jit 1
+
+ls -lh $repo/exp/*.pt
+
+log "Decode with models exported by torch.jit.script()"
+
+./zipformer/jit_pretrained.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --nn-model-filename $repo/exp/jit_script.pt \
+  $repo/test_wavs/1089-134686-0001.wav \
+  $repo/test_wavs/1221-135766-0001.wav \
+  $repo/test_wavs/1221-135766-0002.wav
+
+for method in greedy_search modified_beam_search fast_beam_search; do
+  log "$method"
+
+  ./zipformer/pretrained.py \
+    --method $method \
+    --beam-size 4 \
+    --checkpoint $repo/exp/pretrained.pt \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+done
+
+echo "GITHUB_EVENT_NAME: ${GITHUB_EVENT_NAME}"
+echo "GITHUB_EVENT_LABEL_NAME: ${GITHUB_EVENT_LABEL_NAME}"
+if [[ x"${GITHUB_EVENT_NAME}" == x"schedule" || x"${GITHUB_EVENT_NAME}" == x"workflow_dispatch" || x"${GITHUB_EVENT_LABEL_NAME}" == x"run-decode"  ]]; then
+  mkdir -p zipformer/exp
+  ln -s $PWD/$repo/exp/pretrained.pt zipformer/exp/epoch-30.pt
+  mkdir -p data
+  ln -s $PWD/$repo/data/lang_bpe_500 data/
+
+  ls -lh data
+  ls -lh zipformer/exp
+
+  mkdir -p data/fbank
+  pushd data/fbank
+
+  curl -SL -O https://huggingface.co/csukuangfj/giga-dev-dataset-fbank/resolve/main/data/fbank/cuts_DEV.jsonl.gz
+  curl -SL -O https://huggingface.co/csukuangfj/giga-dev-dataset-fbank/resolve/main/data/fbank/cuts_TEST.jsonl.gz
+  curl -SL -O https://huggingface.co/csukuangfj/giga-dev-dataset-fbank/resolve/main/data/fbank/feats_DEV.lca
+  curl -SL -O https://huggingface.co/csukuangfj/giga-dev-dataset-fbank/resolve/main/data/fbank/feats_TEST.lca
+
+  ln -sf cuts_DEV.jsonl.gz gigaspeech_cuts_DEV.jsonl.gz
+  ln -sf cuts_TEST.jsonl.gz gigaspeech_cuts_TEST.jsonl.gz
+
+  popd
+
+  log "Decoding test-clean and test-other"
+
+  # use a small value for decoding with CPU
+  max_duration=100
+
+  for method in greedy_search; do
+    log "Decoding with $method"
+
+    ./zipformer/decode.py \
+      --decoding-method $method \
+      --epoch 30 \
+      --avg 1 \
+      --use-averaged-model 0 \
+      --max-duration $max_duration \
+      --exp-dir zipformer/exp
+  done
+
+  rm zipformer/exp/*.pt
+fi

.github/scripts/run-librispeech-lstm-transducer-stateless2-2022-09-03.sh

@@ -0,0 +1,191 @@
+#!/usr/bin/env bash
+#
+set -e
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/librispeech/ASR
+
+repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-lstm-transducer-stateless2-2022-09-03
+
+log "Downloading pre-trained model from $repo_url"
+git lfs install
+git clone $repo_url
+repo=$(basename $repo_url)
+abs_repo=$(realpath $repo)
+
+log "Display test files"
+tree $repo/
+ls -lh $repo/test_wavs/*.wav
+
+pushd $repo/exp
+ln -s pretrained-iter-468000-avg-16.pt pretrained.pt
+ln -s pretrained-iter-468000-avg-16.pt epoch-99.pt
+popd
+
+log "Test exporting with torch.jit.trace()"
+
+./lstm_transducer_stateless2/export.py \
+  --exp-dir $repo/exp \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --epoch 99 \
+  --avg 1 \
+  --use-averaged-model 0 \
+  --jit-trace 1
+
+log "Decode with models exported by torch.jit.trace()"
+
+./lstm_transducer_stateless2/jit_pretrained.py \
+  --bpe-model $repo/data/lang_bpe_500/bpe.model \
+  --encoder-model-filename $repo/exp/encoder_jit_trace.pt \
+  --decoder-model-filename $repo/exp/decoder_jit_trace.pt \
+  --joiner-model-filename $repo/exp/joiner_jit_trace.pt \
+  $repo/test_wavs/1089-134686-0001.wav \
+  $repo/test_wavs/1221-135766-0001.wav \
+  $repo/test_wavs/1221-135766-0002.wav
+
+for sym in 1 2 3; do
+  log "Greedy search with --max-sym-per-frame $sym"
+
+  ./lstm_transducer_stateless2/pretrained.py \
+    --method greedy_search \
+    --max-sym-per-frame $sym \
+    --checkpoint $repo/exp/pretrained.pt \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+done
+
+for method in modified_beam_search beam_search fast_beam_search; do
+  log "$method"
+
+  ./lstm_transducer_stateless2/pretrained.py \
+    --method $method \
+    --beam-size 4 \
+    --checkpoint $repo/exp/pretrained.pt \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    $repo/test_wavs/1089-134686-0001.wav \
+    $repo/test_wavs/1221-135766-0001.wav \
+    $repo/test_wavs/1221-135766-0002.wav
+done
+
+echo "GITHUB_EVENT_NAME: ${GITHUB_EVENT_NAME}"
+echo "GITHUB_EVENT_LABEL_NAME: ${GITHUB_EVENT_LABEL_NAME}"
+
+if [[ x"${GITHUB_EVENT_LABEL_NAME}" == x"shallow-fusion" ]]; then
+  lm_repo_url=https://huggingface.co/ezerhouni/icefall-librispeech-rnn-lm
+  log "Download pre-trained RNN-LM model from ${lm_repo_url}"
+  GIT_LFS_SKIP_SMUDGE=1 git clone $lm_repo_url
+  lm_repo=$(basename $lm_repo_url)
+  pushd $lm_repo
+  git lfs pull --include "exp/pretrained.pt"
+  mv exp/pretrained.pt exp/epoch-88.pt
+  popd
+
+  mkdir -p lstm_transducer_stateless2/exp
+  ln -sf $PWD/$repo/exp/pretrained.pt lstm_transducer_stateless2/exp/epoch-999.pt
+  ln -s $PWD/$repo/data/lang_bpe_500 data/
+
+  ls -lh data
+  ls -lh lstm_transducer_stateless2/exp
+
+  log "Decoding test-clean and test-other with RNN LM"
+
+  ./lstm_transducer_stateless2/decode.py \
+    --use-averaged-model 0 \
+    --epoch 999 \
+    --avg 1 \
+    --exp-dir lstm_transducer_stateless2/exp \
+    --max-duration 600 \
+    --decoding-method modified_beam_search_lm_shallow_fusion \
+    --beam 4 \
+    --use-shallow-fusion 1 \
+    --lm-type rnn \
+    --lm-exp-dir $lm_repo/exp \
+    --lm-epoch 88 \
+    --lm-avg 1 \
+    --lm-scale 0.3 \
+    --rnn-lm-num-layers 3 \
+    --rnn-lm-tie-weights 1
+fi
+
+if [[ x"${GITHUB_EVENT_LABEL_NAME}" == x"LODR" ]]; then
+  bigram_repo_url=https://huggingface.co/marcoyang/librispeech_bigram
+  log "Download bi-gram LM from ${bigram_repo_url}"
+  GIT_LFS_SKIP_SMUDGE=1 git clone $bigram_repo_url
+  bigramlm_repo=$(basename $bigram_repo_url)
+  pushd $bigramlm_repo
+  git lfs pull --include "2gram.fst.txt"
+  cp 2gram.fst.txt $abs_repo/data/lang_bpe_500/.
+  popd
+
+  lm_repo_url=https://huggingface.co/ezerhouni/icefall-librispeech-rnn-lm
+  log "Download pre-trained RNN-LM model from ${lm_repo_url}"
+  GIT_LFS_SKIP_SMUDGE=1 git clone $lm_repo_url
+  lm_repo=$(basename $lm_repo_url)
+  pushd $lm_repo
+  git lfs pull --include "exp/pretrained.pt"
+  mv exp/pretrained.pt exp/epoch-88.pt
+  popd
+
+  mkdir -p lstm_transducer_stateless2/exp
+  ln -sf $PWD/$repo/exp/pretrained.pt lstm_transducer_stateless2/exp/epoch-999.pt
+  ln -s $PWD/$repo/data/lang_bpe_500 data/
+
+  ls -lh data
+  ls -lh lstm_transducer_stateless2/exp
+
+  log "Decoding test-clean and test-other"
+
+  ./lstm_transducer_stateless2/decode.py \
+    --use-averaged-model 0 \
+    --epoch 999 \
+    --avg 1 \
+    --exp-dir lstm_transducer_stateless2/exp \
+    --max-duration 600 \
+    --decoding-method modified_beam_search_LODR \
+    --beam 4 \
+    --use-shallow-fusion 1 \
+    --lm-type rnn \
+    --lm-exp-dir $lm_repo/exp \
+    --lm-scale 0.4 \
+    --lm-epoch 88 \
+    --rnn-lm-avg 1 \
+    --rnn-lm-num-layers 3 \
+    --rnn-lm-tie-weights 1 \
+    --tokens-ngram 2 \
+    --ngram-lm-scale -0.16
+fi
+
+if [[ x"${GITHUB_EVENT_NAME}" == x"schedule" || x"${GITHUB_EVENT_NAME}" == x"workflow_dispatch" ]]; then
+  mkdir -p lstm_transducer_stateless2/exp
+  ln -s $PWD/$repo/exp/pretrained.pt lstm_transducer_stateless2/exp/epoch-999.pt
+  ln -s $PWD/$repo/data/lang_bpe_500 data/
+
+  ls -lh data
+  ls -lh lstm_transducer_stateless2/exp
+
+  log "Decoding test-clean and test-other"
+
+  # use a small value for decoding with CPU
+  max_duration=100
+
+  for method in greedy_search fast_beam_search; do
+    log "Decoding with $method"
+
+    ./lstm_transducer_stateless2/decode.py \
+      --decoding-method $method \
+      --epoch 999 \
+      --avg 1 \
+      --use-averaged-model 0 \
+      --max-duration $max_duration \
+      --exp-dir lstm_transducer_stateless2/exp
+  done
+
+  rm lstm_transducer_stateless2/exp/*.pt
+fi

.github/scripts/run-multi-corpora-zipformer.sh

@@ -0,0 +1,135 @@
+#!/usr/bin/env bash
+
+set -e
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/multi_zh-hans/ASR
+
+log "==== Test icefall-asr-multi-zh-hans-zipformer-2023-9-2 ===="
+repo_url=https://huggingface.co/zrjin/icefall-asr-multi-zh-hans-zipformer-2023-9-2/
+
+log "Downloading pre-trained model from $repo_url"
+git lfs install
+git clone $repo_url
+repo=$(basename $repo_url)
+
+
+log "Display test files"
+tree $repo/
+ls -lh $repo/test_wavs/*.wav
+
+pushd $repo/exp
+ln -s epoch-20.pt epoch-99.pt
+popd
+
+ls -lh $repo/exp/*.pt
+
+
+./zipformer/pretrained.py \
+  --checkpoint $repo/exp/epoch-99.pt \
+  --tokens $repo/data/lang_bpe_2000/tokens.txt \
+  --method greedy_search \
+$repo/test_wavs/DEV_T0000000000.wav \
+$repo/test_wavs/DEV_T0000000001.wav \
+$repo/test_wavs/DEV_T0000000002.wav
+
+for method in modified_beam_search fast_beam_search; do
+  log "$method"
+
+  ./zipformer/pretrained.py \
+    --method $method \
+    --beam-size 4 \
+    --checkpoint $repo/exp/epoch-99.pt \
+    --tokens $repo/data/lang_bpe_2000/tokens.txt \
+  $repo/test_wavs/DEV_T0000000000.wav \
+  $repo/test_wavs/DEV_T0000000001.wav \
+  $repo/test_wavs/DEV_T0000000002.wav
+done
+
+rm -rf $repo
+
+log "==== Test icefall-asr-multi-zh-hans-zipformer-ctc-2023-10-24 ===="
+repo_url=https://huggingface.co/zrjin/icefall-asr-multi-zh-hans-zipformer-ctc-2023-10-24/
+
+log "Downloading pre-trained model from $repo_url"
+git lfs install
+git clone $repo_url
+repo=$(basename $repo_url)
+
+
+log "Display test files"
+tree $repo/
+ls -lh $repo/test_wavs/*.wav
+
+pushd $repo/exp
+ln -s epoch-20.pt epoch-99.pt
+popd
+
+ls -lh $repo/exp/*.pt
+
+
+./zipformer/pretrained.py \
+  --checkpoint $repo/exp/epoch-99.pt \
+  --tokens $repo/data/lang_bpe_2000/tokens.txt \
+  --use-ctc 1 \
+  --method greedy_search \
+$repo/test_wavs/DEV_T0000000000.wav \
+$repo/test_wavs/DEV_T0000000001.wav \
+$repo/test_wavs/DEV_T0000000002.wav
+
+for method in modified_beam_search fast_beam_search; do
+  log "$method"
+
+  ./zipformer/pretrained.py \
+    --method $method \
+    --beam-size 4 \
+    --use-ctc 1 \
+    --checkpoint $repo/exp/epoch-99.pt \
+    --tokens $repo/data/lang_bpe_2000/tokens.txt \
+  $repo/test_wavs/DEV_T0000000000.wav \
+  $repo/test_wavs/DEV_T0000000001.wav \
+  $repo/test_wavs/DEV_T0000000002.wav
+done
+
+rm -rf $repo
+
+cd ../../../egs/multi_zh_en/ASR
+log "==== Test icefall-asr-zipformer-multi-zh-en-2023-11-22 ===="
+repo_url=https://huggingface.co/zrjin/icefall-asr-zipformer-multi-zh-en-2023-11-22/
+
+log "Downloading pre-trained model from $repo_url"
+git lfs install
+git clone $repo_url
+repo=$(basename $repo_url)
+
+log "Display test files"
+tree $repo/
+ls -lh $repo/test_wavs/*.wav
+
+./zipformer/pretrained.py \
+  --checkpoint $repo/exp/pretrained.pt \
+  --bpe-model $repo/data/lang_bbpe_2000/bbpe.model \
+  --method greedy_search \
+$repo/test_wavs/_1634_210_2577_1_1525157964032_3712259_29.wav \
+$repo/test_wavs/_1634_210_2577_1_1525157964032_3712259_55.wav \
+$repo/test_wavs/_1634_210_2577_1_1525157964032_3712259_75.wav
+
+for method in modified_beam_search fast_beam_search; do
+  log "$method"
+
+  ./zipformer/pretrained.py \
+    --method $method \
+    --beam-size 4 \
+    --checkpoint $repo/exp/pretrained.pt \
+    --bpe-model $repo/data/lang_bbpe_2000/bbpe.model \
+  $repo/test_wavs/_1634_210_2577_1_1525157964032_3712259_29.wav \
+  $repo/test_wavs/_1634_210_2577_1_1525157964032_3712259_55.wav \
+  $repo/test_wavs/_1634_210_2577_1_1525157964032_3712259_75.wav
+done
+
+rm -rf $repo

.github/scripts/run-swbd-conformer-ctc-2023-08-26.sh

@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+
+set -e
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/swbd/ASR
+
+repo_url=https://huggingface.co/zrjin/icefall-asr-swbd-conformer-ctc-2023-8-26
+
+log "Downloading pre-trained model from $repo_url"
+git lfs install
+git clone $repo_url
+repo=$(basename $repo_url)
+
+
+log "Display test files"
+tree $repo/
+ls -lh $repo/test_wavs/*.wav
+
+pushd $repo/exp
+ln -s epoch-98.pt epoch-99.pt
+popd
+
+ls -lh $repo/exp/*.pt
+
+for method in ctc-decoding 1best; do
+  log "$method"
+
+  ./conformer_ctc/pretrained.py \
+    --method $method \
+    --checkpoint $repo/exp/epoch-99.pt \
+    --tokens $repo/data/lang_bpe_500/tokens.txt \
+    --words-file $repo/data/lang_bpe_500/words.txt \
+    --HLG  $repo/data/lang_bpe_500/HLG.pt \
+    --G $repo/data/lm/G_4_gram.pt \
+  $repo/test_wavs/1089-134686-0001.wav \
+  $repo/test_wavs/1221-135766-0001.wav \
+  $repo/test_wavs/1221-135766-0002.wav
+done

.github/scripts/run-wenetspeech-pruned-transducer-stateless2.sh

@@ -0,0 +1,119 @@
+#!/usr/bin/env bash
+
+set -e
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/wenetspeech/ASR
+
+repo_url=https://huggingface.co/luomingshuang/icefall_asr_wenetspeech_pruned_transducer_stateless2
+
+log "Downloading pre-trained model from $repo_url"
+git lfs install
+git clone $repo_url
+repo=$(basename $repo_url)
+
+log "Display test files"
+tree $repo/
+ls -lh $repo/test_wavs/*.wav
+
+pushd $repo/exp
+ln -s pretrained_epoch_10_avg_2.pt pretrained.pt
+ln -s pretrained_epoch_10_avg_2.pt epoch-99.pt
+popd
+
+log "Test exporting to ONNX format"
+
+./pruned_transducer_stateless2/export-onnx.py \
+  --exp-dir $repo/exp \
+  --tokens $repo/data/lang_char/tokens.txt \
+  --epoch 99 \
+  --avg 1
+
+log "Export to torchscript model"
+
+./pruned_transducer_stateless2/export.py \
+  --exp-dir $repo/exp \
+  --tokens $repo/data/lang_char/tokens.txt \
+  --epoch 99 \
+  --avg 1 \
+  --jit 1
+
+./pruned_transducer_stateless2/export.py \
+  --exp-dir $repo/exp \
+  --tokens $repo/data/lang_char/tokens.txt \
+  --epoch 99 \
+  --avg 1 \
+  --jit-trace 1
+
+ls -lh $repo/exp/*.onnx
+ls -lh $repo/exp/*.pt
+
+log "Decode with ONNX models"
+
+./pruned_transducer_stateless2/onnx_check.py \
+  --jit-filename $repo/exp/cpu_jit.pt \
+  --onnx-encoder-filename $repo/exp/encoder-epoch-10-avg-2.onnx \
+  --onnx-decoder-filename $repo/exp/decoder-epoch-10-avg-2.onnx \
+  --onnx-joiner-filename $repo/exp/joiner-epoch-10-avg-2.onnx \
+  --onnx-joiner-encoder-proj-filename $repo/exp/joiner_encoder_proj-epoch-10-avg-2.onnx \
+  --onnx-joiner-decoder-proj-filename $repo/exp/joiner_decoder_proj-epoch-10-avg-2.onnx
+
+./pruned_transducer_stateless2/onnx_pretrained.py \
+  --tokens $repo/data/lang_char/tokens.txt \
+  --encoder-model-filename $repo/exp/encoder-epoch-99-avg-1.onnx \
+  --decoder-model-filename $repo/exp/decoder-epoch-99-avg-1.onnx \
+  --joiner-model-filename $repo/exp/joiner-epoch-99-avg-1.onnx \
+  $repo/test_wavs/DEV_T0000000000.wav \
+  $repo/test_wavs/DEV_T0000000001.wav \
+  $repo/test_wavs/DEV_T0000000002.wav
+
+log "Decode with models exported by torch.jit.trace()"
+
+./pruned_transducer_stateless2/jit_pretrained.py \
+  --tokens $repo/data/lang_char/tokens.txt \
+  --encoder-model-filename $repo/exp/encoder_jit_trace.pt \
+  --decoder-model-filename $repo/exp/decoder_jit_trace.pt \
+  --joiner-model-filename $repo/exp/joiner_jit_trace.pt \
+  $repo/test_wavs/DEV_T0000000000.wav \
+  $repo/test_wavs/DEV_T0000000001.wav \
+  $repo/test_wavs/DEV_T0000000002.wav
+
+./pruned_transducer_stateless2/jit_pretrained.py \
+  --tokens $repo/data/lang_char/tokens.txt \
+  --encoder-model-filename $repo/exp/encoder_jit_script.pt \
+  --decoder-model-filename $repo/exp/decoder_jit_script.pt \
+  --joiner-model-filename $repo/exp/joiner_jit_script.pt \
+  $repo/test_wavs/DEV_T0000000000.wav \
+  $repo/test_wavs/DEV_T0000000001.wav \
+  $repo/test_wavs/DEV_T0000000002.wav
+
+for sym in 1 2 3; do
+  log "Greedy search with --max-sym-per-frame $sym"
+
+  ./pruned_transducer_stateless2/pretrained.py \
+    --checkpoint $repo/exp/epoch-99.pt \
+    --lang-dir $repo/data/lang_char \
+    --decoding-method greedy_search \
+    --max-sym-per-frame $sym \
+    $repo/test_wavs/DEV_T0000000000.wav \
+    $repo/test_wavs/DEV_T0000000001.wav \
+    $repo/test_wavs/DEV_T0000000002.wav
+done
+
+for method in modified_beam_search beam_search fast_beam_search; do
+  log "$method"
+
+  ./pruned_transducer_stateless2/pretrained.py \
+    --decoding-method $method \
+    --beam-size 4 \
+    --checkpoint $repo/exp/epoch-99.pt \
+    --lang-dir $repo/data/lang_char \
+    $repo/test_wavs/DEV_T0000000000.wav \
+    $repo/test_wavs/DEV_T0000000001.wav \
+    $repo/test_wavs/DEV_T0000000002.wav
+done

.github/scripts/test-ncnn-export.sh

@@ -0,0 +1,230 @@
+#!/usr/bin/env bash
+
+set -e
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+pushd egs/librispeech/ASR
+
+log  "Install ncnn and pnnx"
+
+# We are using a modified ncnn here. Will try to merge it to the official repo
+# of ncnn
+git clone https://github.com/csukuangfj/ncnn
+pushd ncnn
+git submodule init
+git submodule update python/pybind11
+python3 setup.py bdist_wheel
+ls -lh dist/
+pip install dist/*.whl
+cd tools/pnnx
+mkdir build
+cd build
+
+echo "which python3"
+
+which python3
+#/opt/hostedtoolcache/Python/3.8.16/x64/bin/python3
+
+cmake -D Python3_EXECUTABLE=$(which python3) ..
+make -j4 pnnx
+
+./src/pnnx || echo "pass"
+
+popd
+
+export PATH=$PWD/ncnn/tools/pnnx/build/src:$PATH
+
+log "=========================================================================="
+repo_url=https://huggingface.co/Zengwei/icefall-asr-librispeech-conv-emformer-transducer-stateless2-2022-07-05
+GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+repo=$(basename $repo_url)
+
+pushd $repo
+git lfs pull --include "exp/pretrained-epoch-30-avg-10-averaged.pt"
+
+cd exp
+ln -s pretrained-epoch-30-avg-10-averaged.pt epoch-99.pt
+popd
+
+log "Export via torch.jit.trace()"
+
+./conv_emformer_transducer_stateless2/export-for-ncnn.py \
+  --exp-dir $repo/exp \
+  --epoch 99 \
+  --avg 1 \
+  --use-averaged-model 0 \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --num-encoder-layers 12 \
+  --chunk-length 32 \
+  --cnn-module-kernel 31 \
+  --left-context-length 32 \
+  --right-context-length 8 \
+  --memory-size 32
+
+pnnx $repo/exp/encoder_jit_trace-pnnx.pt
+pnnx $repo/exp/decoder_jit_trace-pnnx.pt
+pnnx $repo/exp/joiner_jit_trace-pnnx.pt
+
+python3 ./conv_emformer_transducer_stateless2/streaming-ncnn-decode.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --encoder-param-filename $repo/exp/encoder_jit_trace-pnnx.ncnn.param \
+  --encoder-bin-filename $repo/exp/encoder_jit_trace-pnnx.ncnn.bin \
+  --decoder-param-filename $repo/exp/decoder_jit_trace-pnnx.ncnn.param \
+  --decoder-bin-filename $repo/exp/decoder_jit_trace-pnnx.ncnn.bin \
+  --joiner-param-filename $repo/exp/joiner_jit_trace-pnnx.ncnn.param \
+  --joiner-bin-filename $repo/exp/joiner_jit_trace-pnnx.ncnn.bin \
+  $repo/test_wavs/1089-134686-0001.wav
+
+rm -rf $repo
+log "--------------------------------------------------------------------------"
+
+log "=========================================================================="
+repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-lstm-transducer-stateless2-2022-09-03
+GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+repo=$(basename $repo_url)
+
+pushd $repo
+git lfs pull --include "exp/pretrained-iter-468000-avg-16.pt"
+
+cd exp
+ln -s pretrained-iter-468000-avg-16.pt epoch-99.pt
+popd
+
+log "Export via torch.jit.trace()"
+
+./lstm_transducer_stateless2/export-for-ncnn.py \
+  --exp-dir $repo/exp \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --epoch 99 \
+  --avg 1 \
+  --use-averaged-model 0
+
+pnnx $repo/exp/encoder_jit_trace-pnnx.pt
+pnnx $repo/exp/decoder_jit_trace-pnnx.pt
+pnnx $repo/exp/joiner_jit_trace-pnnx.pt
+
+python3 ./lstm_transducer_stateless2/streaming-ncnn-decode.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --encoder-param-filename $repo/exp/encoder_jit_trace-pnnx.ncnn.param \
+  --encoder-bin-filename $repo/exp/encoder_jit_trace-pnnx.ncnn.bin \
+  --decoder-param-filename $repo/exp/decoder_jit_trace-pnnx.ncnn.param \
+  --decoder-bin-filename $repo/exp/decoder_jit_trace-pnnx.ncnn.bin \
+  --joiner-param-filename $repo/exp/joiner_jit_trace-pnnx.ncnn.param \
+  --joiner-bin-filename $repo/exp/joiner_jit_trace-pnnx.ncnn.bin \
+  $repo/test_wavs/1089-134686-0001.wav
+
+python3 ./lstm_transducer_stateless2/ncnn-decode.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --encoder-param-filename $repo/exp/encoder_jit_trace-pnnx.ncnn.param \
+  --encoder-bin-filename $repo/exp/encoder_jit_trace-pnnx.ncnn.bin \
+  --decoder-param-filename $repo/exp/decoder_jit_trace-pnnx.ncnn.param \
+  --decoder-bin-filename $repo/exp/decoder_jit_trace-pnnx.ncnn.bin \
+  --joiner-param-filename $repo/exp/joiner_jit_trace-pnnx.ncnn.param \
+  --joiner-bin-filename $repo/exp/joiner_jit_trace-pnnx.ncnn.bin \
+  $repo/test_wavs/1089-134686-0001.wav
+
+rm -rf $repo
+log "--------------------------------------------------------------------------"
+
+log "=========================================================================="
+repo_url=https://huggingface.co/Zengwei/icefall-asr-librispeech-pruned-transducer-stateless7-streaming-2022-12-29
+GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+repo=$(basename $repo_url)
+
+pushd $repo
+git lfs pull --include "exp/pretrained.pt"
+
+cd exp
+ln -s pretrained.pt epoch-99.pt
+popd
+
+./pruned_transducer_stateless7_streaming/export-for-ncnn.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --exp-dir $repo/exp \
+  --use-averaged-model 0 \
+  --epoch 99 \
+  --avg 1 \
+  \
+  --decode-chunk-len 32 \
+  --num-encoder-layers "2,4,3,2,4" \
+  --feedforward-dims "1024,1024,2048,2048,1024" \
+  --nhead "8,8,8,8,8" \
+  --encoder-dims "384,384,384,384,384" \
+  --attention-dims "192,192,192,192,192" \
+  --encoder-unmasked-dims "256,256,256,256,256" \
+  --zipformer-downsampling-factors "1,2,4,8,2" \
+  --cnn-module-kernels "31,31,31,31,31" \
+  --decoder-dim 512 \
+  --joiner-dim 512
+
+pnnx $repo/exp/encoder_jit_trace-pnnx.pt
+pnnx $repo/exp/decoder_jit_trace-pnnx.pt
+pnnx $repo/exp/joiner_jit_trace-pnnx.pt
+
+python3 ./pruned_transducer_stateless7_streaming/streaming-ncnn-decode.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --encoder-param-filename $repo/exp/encoder_jit_trace-pnnx.ncnn.param \
+  --encoder-bin-filename $repo/exp/encoder_jit_trace-pnnx.ncnn.bin \
+  --decoder-param-filename $repo/exp/decoder_jit_trace-pnnx.ncnn.param \
+  --decoder-bin-filename $repo/exp/decoder_jit_trace-pnnx.ncnn.bin \
+  --joiner-param-filename $repo/exp/joiner_jit_trace-pnnx.ncnn.param \
+  --joiner-bin-filename $repo/exp/joiner_jit_trace-pnnx.ncnn.bin \
+  $repo/test_wavs/1089-134686-0001.wav
+
+rm -rf $repo
+log "--------------------------------------------------------------------------"
+
+log "=========================================================================="
+repo_url=https://huggingface.co/pfluo/k2fsa-zipformer-chinese-english-mixed
+GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+repo=$(basename $repo_url)
+
+pushd $repo
+git lfs pull --include "data/lang_char_bpe/L.pt"
+git lfs pull --include "data/lang_char_bpe/L_disambig.pt"
+git lfs pull --include "data/lang_char_bpe/Linv.pt"
+git lfs pull --include "exp/pretrained.pt"
+
+cd exp
+ln -s pretrained.pt epoch-9999.pt
+popd
+
+./pruned_transducer_stateless7_streaming/export-for-ncnn-zh.py \
+  --tokens $repo/data/lang_char_bpe/tokens.txt \
+  --exp-dir $repo/exp \
+  --use-averaged-model 0 \
+  --epoch 9999 \
+  --avg 1 \
+  --decode-chunk-len 32 \
+  --num-encoder-layers "2,4,3,2,4" \
+  --feedforward-dims "1024,1024,1536,1536,1024" \
+  --nhead "8,8,8,8,8" \
+  --encoder-dims "384,384,384,384,384" \
+  --attention-dims "192,192,192,192,192" \
+  --encoder-unmasked-dims "256,256,256,256,256" \
+  --zipformer-downsampling-factors "1,2,4,8,2" \
+  --cnn-module-kernels "31,31,31,31,31" \
+  --decoder-dim 512 \
+  --joiner-dim 512
+
+pnnx $repo/exp/encoder_jit_trace-pnnx.pt
+pnnx $repo/exp/decoder_jit_trace-pnnx.pt
+pnnx $repo/exp/joiner_jit_trace-pnnx.pt
+
+python3 ./pruned_transducer_stateless7_streaming/streaming-ncnn-decode.py \
+  --tokens $repo/data/lang_char_bpe/tokens.txt \
+  --encoder-param-filename $repo/exp/encoder_jit_trace-pnnx.ncnn.param \
+  --encoder-bin-filename $repo/exp/encoder_jit_trace-pnnx.ncnn.bin \
+  --decoder-param-filename $repo/exp/decoder_jit_trace-pnnx.ncnn.param \
+  --decoder-bin-filename $repo/exp/decoder_jit_trace-pnnx.ncnn.bin \
+  --joiner-param-filename $repo/exp/joiner_jit_trace-pnnx.ncnn.param \
+  --joiner-bin-filename $repo/exp/joiner_jit_trace-pnnx.ncnn.bin \
+  $repo/test_wavs/0.wav
+
+rm -rf $repo
+log "--------------------------------------------------------------------------"

.github/scripts/test-onnx-export.sh

@@ -0,0 +1,466 @@
+#!/usr/bin/env bash
+
+set -e
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/librispeech/ASR
+
+log "=========================================================================="
+repo_url=https://huggingface.co/Zengwei/icefall-asr-librispeech-zipformer-2023-05-15
+log "Downloading pre-trained model from $repo_url"
+git lfs install
+GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+repo=$(basename $repo_url)
+
+pushd $repo
+git lfs pull --include "exp/pretrained.pt"
+cd exp
+ln -s pretrained.pt epoch-99.pt
+popd
+
+log "Export via torch.jit.script()"
+./zipformer/export.py \
+  --use-averaged-model 0 \
+  --exp-dir $repo/exp \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --epoch 99 \
+  --avg 1 \
+  --jit 1
+
+log "Test export to ONNX format"
+./zipformer/export-onnx.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --use-averaged-model 0 \
+  --epoch 99 \
+  --avg 1 \
+  --exp-dir $repo/exp \
+  --num-encoder-layers "2,2,3,4,3,2" \
+  --downsampling-factor "1,2,4,8,4,2" \
+  --feedforward-dim "512,768,1024,1536,1024,768" \
+  --num-heads "4,4,4,8,4,4" \
+  --encoder-dim "192,256,384,512,384,256" \
+  --query-head-dim 32 \
+  --value-head-dim 12 \
+  --pos-head-dim 4 \
+  --pos-dim 48 \
+  --encoder-unmasked-dim "192,192,256,256,256,192" \
+  --cnn-module-kernel "31,31,15,15,15,31" \
+  --decoder-dim 512 \
+  --joiner-dim 512 \
+  --causal False \
+  --chunk-size "16,32,64,-1" \
+  --left-context-frames "64,128,256,-1"
+
+ls -lh $repo/exp
+
+log "Run onnx_check.py"
+
+./zipformer/onnx_check.py \
+  --jit-filename $repo/exp/jit_script.pt \
+  --onnx-encoder-filename $repo/exp/encoder-epoch-99-avg-1.onnx \
+  --onnx-decoder-filename $repo/exp/decoder-epoch-99-avg-1.onnx \
+  --onnx-joiner-filename $repo/exp/joiner-epoch-99-avg-1.onnx
+
+log "Run onnx_pretrained.py"
+
+./zipformer/onnx_pretrained.py \
+  --encoder-model-filename $repo/exp/encoder-epoch-99-avg-1.onnx \
+  --decoder-model-filename $repo/exp/decoder-epoch-99-avg-1.onnx \
+  --joiner-model-filename $repo/exp/joiner-epoch-99-avg-1.onnx \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  $repo/test_wavs/1089-134686-0001.wav
+
+rm -rf $repo
+
+repo_url=https://huggingface.co/Zengwei/icefall-asr-librispeech-streaming-zipformer-2023-05-17
+log "Downloading pre-trained model from $repo_url"
+git lfs install
+GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+repo=$(basename $repo_url)
+
+pushd $repo
+git lfs pull --include "exp/pretrained.pt"
+
+cd exp
+ln -s pretrained.pt epoch-99.pt
+popd
+
+log "Test export streaming model to ONNX format"
+./zipformer/export-onnx-streaming.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --use-averaged-model 0 \
+  --epoch 99 \
+  --avg 1 \
+  --exp-dir $repo/exp \
+  --num-encoder-layers "2,2,3,4,3,2" \
+  --downsampling-factor "1,2,4,8,4,2" \
+  --feedforward-dim "512,768,1024,1536,1024,768" \
+  --num-heads "4,4,4,8,4,4" \
+  --encoder-dim "192,256,384,512,384,256" \
+  --query-head-dim 32 \
+  --value-head-dim 12 \
+  --pos-head-dim 4 \
+  --pos-dim 48 \
+  --encoder-unmasked-dim "192,192,256,256,256,192" \
+  --cnn-module-kernel "31,31,15,15,15,31" \
+  --decoder-dim 512 \
+  --joiner-dim 512 \
+  --causal True \
+  --chunk-size 16 \
+  --left-context-frames 64
+
+ls -lh $repo/exp
+
+log "Run onnx_pretrained-streaming.py"
+
+./zipformer/onnx_pretrained-streaming.py \
+  --encoder-model-filename $repo/exp/encoder-epoch-99-avg-1-chunk-16-left-64.onnx \
+  --decoder-model-filename $repo/exp/decoder-epoch-99-avg-1-chunk-16-left-64.onnx \
+  --joiner-model-filename $repo/exp/joiner-epoch-99-avg-1-chunk-16-left-64.onnx \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  $repo/test_wavs/1089-134686-0001.wav
+
+rm -rf $repo
+
+log "--------------------------------------------------------------------------"
+
+log "=========================================================================="
+repo_url=https://huggingface.co/Zengwei/icefall-asr-librispeech-pruned-transducer-stateless7-streaming-2022-12-29
+log "Downloading pre-trained model from $repo_url"
+git lfs install
+GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+repo=$(basename $repo_url)
+
+pushd $repo
+git lfs pull --include "data/lang_bpe_500/bpe.model"
+git lfs pull --include "exp/pretrained.pt"
+cd exp
+ln -s pretrained.pt epoch-99.pt
+popd
+
+log "Export via torch.jit.trace()"
+
+./pruned_transducer_stateless7_streaming/jit_trace_export.py \
+  --bpe-model $repo/data/lang_bpe_500/bpe.model \
+  --use-averaged-model 0 \
+  --epoch 99 \
+  --avg 1 \
+  --decode-chunk-len 32 \
+  --exp-dir $repo/exp/
+
+log "Test exporting to ONNX format"
+
+./pruned_transducer_stateless7_streaming/export-onnx.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --use-averaged-model 0 \
+  --epoch 99 \
+  --avg 1 \
+  --decode-chunk-len 32 \
+  --exp-dir $repo/exp/
+
+ls -lh $repo/exp
+
+log "Run onnx_check.py"
+
+./pruned_transducer_stateless7_streaming/onnx_check.py \
+  --jit-encoder-filename $repo/exp/encoder_jit_trace.pt \
+  --jit-decoder-filename $repo/exp/decoder_jit_trace.pt \
+  --jit-joiner-filename $repo/exp/joiner_jit_trace.pt \
+  --onnx-encoder-filename $repo/exp/encoder-epoch-99-avg-1.onnx \
+  --onnx-decoder-filename $repo/exp/decoder-epoch-99-avg-1.onnx \
+  --onnx-joiner-filename $repo/exp/joiner-epoch-99-avg-1.onnx
+
+log "Run onnx_pretrained.py"
+
+./pruned_transducer_stateless7_streaming/onnx_pretrained.py \
+  --encoder-model-filename $repo/exp/encoder-epoch-99-avg-1.onnx \
+  --decoder-model-filename $repo/exp/decoder-epoch-99-avg-1.onnx \
+  --joiner-model-filename $repo/exp/joiner-epoch-99-avg-1.onnx \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  $repo/test_wavs/1089-134686-0001.wav
+
+rm -rf $repo
+log "--------------------------------------------------------------------------"
+
+log "=========================================================================="
+repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-pruned-transducer-stateless3-2022-05-13
+log "Downloading pre-trained model from $repo_url"
+git lfs install
+GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+repo=$(basename $repo_url)
+
+pushd $repo
+git lfs pull --include "data/lang_bpe_500/bpe.model"
+git lfs pull --include "exp/pretrained-iter-1224000-avg-14.pt"
+
+cd exp
+ln -s pretrained-iter-1224000-avg-14.pt epoch-9999.pt
+popd
+
+log "Export via torch.jit.script()"
+
+./pruned_transducer_stateless3/export.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --epoch 9999 \
+  --avg 1 \
+  --exp-dir $repo/exp/ \
+  --jit 1
+
+log "Test exporting to ONNX format"
+
+./pruned_transducer_stateless3/export-onnx.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --epoch 9999 \
+  --avg 1 \
+  --exp-dir $repo/exp/
+
+ls -lh $repo/exp
+
+log "Run onnx_check.py"
+
+./pruned_transducer_stateless3/onnx_check.py \
+  --jit-filename $repo/exp/cpu_jit.pt \
+  --onnx-encoder-filename $repo/exp/encoder-epoch-9999-avg-1.onnx \
+  --onnx-decoder-filename $repo/exp/decoder-epoch-9999-avg-1.onnx \
+  --onnx-joiner-filename $repo/exp/joiner-epoch-9999-avg-1.onnx
+
+log "Run onnx_pretrained.py"
+
+./pruned_transducer_stateless3/onnx_pretrained.py \
+  --encoder-model-filename $repo/exp/encoder-epoch-9999-avg-1.onnx \
+  --decoder-model-filename $repo/exp/decoder-epoch-9999-avg-1.onnx \
+  --joiner-model-filename $repo/exp/joiner-epoch-9999-avg-1.onnx \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  $repo/test_wavs/1089-134686-0001.wav \
+  $repo/test_wavs/1221-135766-0001.wav \
+  $repo/test_wavs/1221-135766-0002.wav
+
+rm -rf $repo
+log "--------------------------------------------------------------------------"
+
+log "=========================================================================="
+repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-pruned-transducer-stateless5-2022-05-13
+GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+repo=$(basename $repo_url)
+
+pushd $repo
+git lfs pull --include "data/lang_bpe_500/bpe.model"
+git lfs pull --include "exp/pretrained-epoch-39-avg-7.pt"
+
+cd exp
+ln -s pretrained-epoch-39-avg-7.pt epoch-99.pt
+popd
+
+log "Export via torch.jit.script()"
+
+./pruned_transducer_stateless5/export.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --epoch 99 \
+  --avg 1 \
+  --use-averaged-model 0 \
+  --exp-dir $repo/exp \
+  --num-encoder-layers 18 \
+  --dim-feedforward 2048 \
+  --nhead 8 \
+  --encoder-dim 512 \
+  --decoder-dim 512 \
+  --joiner-dim 512 \
+  --jit 1
+
+log "Test exporting to ONNX format"
+
+./pruned_transducer_stateless5/export-onnx.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --epoch 99 \
+  --avg 1 \
+  --use-averaged-model 0 \
+  --exp-dir $repo/exp \
+  --num-encoder-layers 18 \
+  --dim-feedforward 2048 \
+  --nhead 8 \
+  --encoder-dim 512 \
+  --decoder-dim 512 \
+  --joiner-dim 512
+
+ls -lh $repo/exp
+
+log "Run onnx_check.py"
+
+./pruned_transducer_stateless5/onnx_check.py \
+  --jit-filename $repo/exp/cpu_jit.pt \
+  --onnx-encoder-filename $repo/exp/encoder-epoch-99-avg-1.onnx \
+  --onnx-decoder-filename $repo/exp/decoder-epoch-99-avg-1.onnx \
+  --onnx-joiner-filename $repo/exp/joiner-epoch-99-avg-1.onnx
+
+log "Run onnx_pretrained.py"
+
+./pruned_transducer_stateless5/onnx_pretrained.py \
+  --encoder-model-filename $repo/exp/encoder-epoch-99-avg-1.onnx \
+  --decoder-model-filename $repo/exp/decoder-epoch-99-avg-1.onnx \
+  --joiner-model-filename $repo/exp/joiner-epoch-99-avg-1.onnx \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  $repo/test_wavs/1089-134686-0001.wav \
+  $repo/test_wavs/1221-135766-0001.wav \
+  $repo/test_wavs/1221-135766-0002.wav
+
+rm -rf $repo
+log "--------------------------------------------------------------------------"
+
+log "=========================================================================="
+repo_url=
+
+rm -rf $repo
+log "--------------------------------------------------------------------------"
+repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-pruned-transducer-stateless7-2022-11-11
+GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+repo=$(basename $repo_url)
+
+pushd $repo
+git lfs pull --include "exp/pretrained.pt"
+
+cd exp
+ln -s pretrained.pt epoch-99.pt
+popd
+
+log "Export via torch.jit.script()"
+
+./pruned_transducer_stateless7/export.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --use-averaged-model 0 \
+  --epoch 99 \
+  --avg 1 \
+  --exp-dir $repo/exp \
+  --feedforward-dims "1024,1024,2048,2048,1024" \
+  --jit 1
+
+log "Test exporting to ONNX format"
+
+./pruned_transducer_stateless7/export-onnx.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --use-averaged-model 0 \
+  --epoch 99 \
+  --avg 1 \
+  --exp-dir $repo/exp \
+  --feedforward-dims "1024,1024,2048,2048,1024"
+
+ls -lh $repo/exp
+
+log "Run onnx_check.py"
+
+./pruned_transducer_stateless7/onnx_check.py \
+  --jit-filename $repo/exp/cpu_jit.pt \
+  --onnx-encoder-filename $repo/exp/encoder-epoch-99-avg-1.onnx \
+  --onnx-decoder-filename $repo/exp/decoder-epoch-99-avg-1.onnx \
+  --onnx-joiner-filename $repo/exp/joiner-epoch-99-avg-1.onnx
+
+log "Run onnx_pretrained.py"
+
+./pruned_transducer_stateless7/onnx_pretrained.py \
+  --encoder-model-filename $repo/exp/encoder-epoch-99-avg-1.onnx \
+  --decoder-model-filename $repo/exp/decoder-epoch-99-avg-1.onnx \
+  --joiner-model-filename $repo/exp/joiner-epoch-99-avg-1.onnx \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  $repo/test_wavs/1089-134686-0001.wav \
+  $repo/test_wavs/1221-135766-0001.wav \
+  $repo/test_wavs/1221-135766-0002.wav
+
+log "=========================================================================="
+repo_url=https://huggingface.co/Zengwei/icefall-asr-librispeech-conv-emformer-transducer-stateless2-2022-07-05
+GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+repo=$(basename $repo_url)
+
+pushd $repo
+git lfs pull --include "data/lang_bpe_500/bpe.model"
+git lfs pull --include "exp/pretrained-epoch-30-avg-10-averaged.pt"
+
+cd exp
+ln -s pretrained-epoch-30-avg-10-averaged.pt epoch-99.pt
+popd
+
+log "Test exporting to ONNX format"
+
+./conv_emformer_transducer_stateless2/export-onnx.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --use-averaged-model 0 \
+  --epoch 99 \
+  --avg 1 \
+  --exp-dir $repo/exp \
+  --num-encoder-layers 12 \
+  --chunk-length 32 \
+  --cnn-module-kernel 31 \
+  --left-context-length 32 \
+  --right-context-length 8 \
+  --memory-size 32
+
+log "Run onnx_pretrained.py"
+
+./conv_emformer_transducer_stateless2/onnx_pretrained.py \
+  --encoder-model-filename $repo/exp/encoder-epoch-99-avg-1.onnx \
+  --decoder-model-filename $repo/exp/decoder-epoch-99-avg-1.onnx \
+  --joiner-model-filename $repo/exp/joiner-epoch-99-avg-1.onnx \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  $repo/test_wavs/1221-135766-0001.wav
+
+rm -rf $repo
+log "--------------------------------------------------------------------------"
+
+log "=========================================================================="
+repo_url=https://huggingface.co/csukuangfj/icefall-asr-librispeech-lstm-transducer-stateless2-2022-09-03
+GIT_LFS_SKIP_SMUDGE=1 git clone $repo_url
+repo=$(basename $repo_url)
+
+pushd $repo
+git lfs pull --include "data/lang_bpe_500/bpe.model"
+git lfs pull --include "exp/pretrained-iter-468000-avg-16.pt"
+
+cd exp
+ln -s pretrained-iter-468000-avg-16.pt epoch-99.pt
+popd
+
+log "Export via torch.jit.trace()"
+
+./lstm_transducer_stateless2/export.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --use-averaged-model 0 \
+  --epoch 99 \
+  --avg 1 \
+  --exp-dir $repo/exp/ \
+  --jit-trace 1
+
+log "Test exporting to ONNX format"
+
+./lstm_transducer_stateless2/export-onnx.py \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  --use-averaged-model 0 \
+  --epoch 99 \
+  --avg 1 \
+  --exp-dir $repo/exp
+
+ls -lh $repo/exp
+
+log "Run onnx_check.py"
+
+./lstm_transducer_stateless2/onnx_check.py \
+  --jit-encoder-filename $repo/exp/encoder_jit_trace.pt \
+  --jit-decoder-filename $repo/exp/decoder_jit_trace.pt \
+  --jit-joiner-filename $repo/exp/joiner_jit_trace.pt \
+  --onnx-encoder-filename $repo/exp/encoder-epoch-99-avg-1.onnx \
+  --onnx-decoder-filename $repo/exp/decoder-epoch-99-avg-1.onnx \
+  --onnx-joiner-filename $repo/exp/joiner-epoch-99-avg-1.onnx
+
+log "Run onnx_pretrained.py"
+
+./lstm_transducer_stateless2/onnx_pretrained.py \
+  --encoder-model-filename $repo/exp/encoder-epoch-99-avg-1.onnx \
+  --decoder-model-filename $repo/exp/decoder-epoch-99-avg-1.onnx \
+  --joiner-model-filename $repo/exp/joiner-epoch-99-avg-1.onnx \
+  --tokens $repo/data/lang_bpe_500/tokens.txt \
+  $repo/test_wavs/1221-135766-0001.wav
+
+rm -rf $repo
+log "--------------------------------------------------------------------------"

.github/scripts/wenetspeech/ASR/run_rknn.sh

@@ -0,0 +1,196 @@
+#!/usr/bin/env bash
+
+set -ex
+
+python3 -m pip install kaldi-native-fbank soundfile librosa
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/wenetspeech/ASR
+
+#https://k2-fsa.github.io/sherpa/onnx/pretrained_models/online-transducer/zipformer-transducer-models.html#k2-fsa-icefall-asr-zipformer-wenetspeech-streaming-small-chinese
+function export_2025_03_02() {
+  d=exp_2025_03_02
+  mkdir $d
+  pushd $d
+  curl -SL -O https://huggingface.co/k2-fsa/icefall-asr-zipformer-wenetspeech-streaming-small/resolve/main/data/lang_char/tokens.txt
+  curl -SL -O https://huggingface.co/k2-fsa/icefall-asr-zipformer-wenetspeech-streaming-small/resolve/main/exp/pretrained.pt
+  mv pretrained.pt epoch-99.pt
+
+  curl -SL -o 0.wav https://huggingface.co/k2-fsa/icefall-asr-zipformer-wenetspeech-streaming-small/resolve/main/test_wavs/DEV_T0000000000.wav
+  curl -SL -o 1.wav https://huggingface.co/k2-fsa/icefall-asr-zipformer-wenetspeech-streaming-small/resolve/main/test_wavs/DEV_T0000000001.wav
+  curl -SL -o 2.wav https://huggingface.co/k2-fsa/icefall-asr-zipformer-wenetspeech-streaming-small/resolve/main/test_wavs/DEV_T0000000002.wav
+  ls -lh
+  popd
+
+  ./zipformer/export-onnx-streaming.py \
+    --dynamic-batch 0 \
+    --enable-int8-quantization 0 \
+    --tokens $d/tokens.txt \
+    --use-averaged-model 0 \
+    --epoch 99 \
+    --avg 1 \
+    --exp-dir $d \
+    --use-ctc 0 \
+    --use-transducer 1 \
+    \
+    --num-encoder-layers 2,2,2,2,2,2 \
+    --feedforward-dim 512,768,768,768,768,768 \
+    --encoder-dim 192,256,256,256,256,256 \
+    --encoder-unmasked-dim 192,192,192,192,192,192 \
+    \
+    --chunk-size 32 \
+    --left-context-frames 128 \
+    --causal 1
+
+  for platform in rk3562 rk3566 rk3568 rk3576 rk3588; do
+    dst=sherpa-onnx-$platform-streaming-zipformer-small-zh-2025-03-02
+    mkdir -p $dst
+
+    ./zipformer/export_rknn_transducer_streaming.py \
+      --in-encoder $d/encoder-epoch-99-avg-1-chunk-32-left-128.onnx \
+      --in-decoder $d/decoder-epoch-99-avg-1-chunk-32-left-128.onnx \
+      --in-joiner $d/joiner-epoch-99-avg-1-chunk-32-left-128.onnx \
+      --out-encoder $dst/encoder.rknn \
+      --out-decoder $dst/decoder.rknn \
+      --out-joiner $dst/joiner.rknn \
+      --target-platform $platform
+
+    cp $d/tokens.txt $dst
+    mkdir $dst/test_wavs
+    cp $d/*.wav $dst/test_wavs
+
+    tar cjvf $dst.tar.bz2 $dst
+    ls -lh $dst.tar.bz2
+    mv $dst.tar.bz2 /icefall/
+    ls -lh $dst/
+    echo "---"
+
+    rm -rf $dst
+  done
+  rm -rf $d
+}
+
+# https://k2-fsa.github.io/sherpa/onnx/pretrained_models/online-transducer/zipformer-transducer-models.html#k2-fsa-icefall-asr-zipformer-wenetspeech-streaming-large-chinese
+function export_2025_03_03() {
+  d=exp_2025_03_03
+  mkdir $d
+  pushd $d
+  curl -SL -O https://huggingface.co/pkufool/icefall-asr-zipformer-streaming-wenetspeech-20230615/resolve/main/data/lang_char/tokens.txt
+  curl -SL -O https://huggingface.co/pkufool/icefall-asr-zipformer-streaming-wenetspeech-20230615/resolve/main/exp/pretrained.pt
+  mv pretrained.pt epoch-99.pt
+
+  curl -SL -o 0.wav https://huggingface.co/pkufool/icefall-asr-zipformer-streaming-wenetspeech-20230615/resolve/main/test_wavs/DEV_T0000000000.wav
+  curl -SL -o 1.wav https://huggingface.co/pkufool/icefall-asr-zipformer-streaming-wenetspeech-20230615/resolve/main/test_wavs/DEV_T0000000001.wav
+  curl -SL -o 2.wav https://huggingface.co/pkufool/icefall-asr-zipformer-streaming-wenetspeech-20230615/resolve/main/test_wavs/DEV_T0000000002.wav
+  ls -lh
+  popd
+
+  ./zipformer/export-onnx-streaming.py \
+    --dynamic-batch 0 \
+    --enable-int8-quantization 0 \
+    --tokens $d/tokens.txt \
+    --use-averaged-model 0 \
+    --epoch 99 \
+    --avg 1 \
+    --exp-dir $d \
+    --use-ctc 0 \
+    --use-transducer 1 \
+    \
+    --chunk-size 32 \
+    --left-context-frames 128 \
+    --causal 1
+
+  for platform in rk3562 rk3566 rk3568 rk3576 rk3588; do
+    dst=sherpa-onnx-$platform-streaming-zipformer-zh-2025-03-03
+    mkdir -p $dst
+
+    ./zipformer/export_rknn_transducer_streaming.py \
+      --in-encoder $d/encoder-epoch-99-avg-1-chunk-32-left-128.onnx \
+      --in-decoder $d/decoder-epoch-99-avg-1-chunk-32-left-128.onnx \
+      --in-joiner $d/joiner-epoch-99-avg-1-chunk-32-left-128.onnx \
+      --out-encoder $dst/encoder.rknn \
+      --out-decoder $dst/decoder.rknn \
+      --out-joiner $dst/joiner.rknn \
+      --target-platform $platform
+
+    cp $d/tokens.txt $dst
+    mkdir $dst/test_wavs
+    cp $d/*.wav $dst/test_wavs
+
+    tar cjvf $dst.tar.bz2 $dst
+    ls -lh $dst.tar.bz2
+    mv $dst.tar.bz2 /icefall/
+    ls -lh $dst/
+    echo "---"
+    ls -lh $dst.tar.bz2
+
+    rm -rf $dst
+  done
+  rm -rf $d
+}
+
+function export_2023_06_15() {
+  d=exp_2023_06_15
+  mkdir $d
+  pushd $d
+  curl -SL -O https://huggingface.co/pkufool/icefall-asr-zipformer-streaming-wenetspeech-20230615/resolve/main/data/lang_char/tokens.txt
+  curl -SL -O https://huggingface.co/pkufool/icefall-asr-zipformer-streaming-wenetspeech-20230615/resolve/main/exp/pretrained.pt
+  mv pretrained.pt epoch-99.pt
+
+  curl -SL -o 0.wav https://huggingface.co/pkufool/icefall-asr-zipformer-streaming-wenetspeech-20230615/resolve/main/test_wavs/DEV_T0000000000.wav
+  curl -SL -o 1.wav https://huggingface.co/pkufool/icefall-asr-zipformer-streaming-wenetspeech-20230615/resolve/main/test_wavs/DEV_T0000000001.wav
+  curl -SL -o 2.wav https://huggingface.co/pkufool/icefall-asr-zipformer-streaming-wenetspeech-20230615/resolve/main/test_wavs/DEV_T0000000002.wav
+  ls -lh
+  popd
+
+  ./zipformer/export-onnx-streaming.py \
+    --dynamic-batch 0 \
+    --enable-int8-quantization 0 \
+    --tokens $d/tokens.txt \
+    --use-averaged-model 0 \
+    --epoch 99 \
+    --avg 1 \
+    --exp-dir $d \
+    --use-ctc 0 \
+    --use-transducer 1 \
+    \
+    --chunk-size 32 \
+    --left-context-frames 128 \
+    --causal 1
+
+  for platform in rk3562 rk3566 rk3568 rk3576 rk3588; do
+    dst=sherpa-onnx-$platform-streaming-zipformer-zh-2023-06-15
+    mkdir -p $dst
+
+    ./zipformer/export_rknn_transducer_streaming.py \
+      --in-encoder $d/encoder-epoch-99-avg-1-chunk-32-left-128.onnx \
+      --in-decoder $d/decoder-epoch-99-avg-1-chunk-32-left-128.onnx \
+      --in-joiner $d/joiner-epoch-99-avg-1-chunk-32-left-128.onnx \
+      --out-encoder $dst/encoder.rknn \
+      --out-decoder $dst/decoder.rknn \
+      --out-joiner $dst/joiner.rknn \
+      --target-platform $platform
+
+    cp $d/tokens.txt $dst
+    mkdir $dst/test_wavs
+    cp $d/*.wav $dst/test_wavs
+
+    tar cjvf $dst.tar.bz2 $dst
+    ls -lh $dst.tar.bz2
+    mv $dst.tar.bz2 /icefall/
+    ls -lh $dst/
+    echo "---"
+    ls -lh $dst.tar.bz2
+
+    rm -rf $dst
+  done
+}
+
+export_2025_03_02
+export_2025_03_03
+export_2023_06_15

.github/scripts/yesno/ASR/run.sh

@@ -0,0 +1,86 @@
+#!/usr/bin/env bash
+
+set -ex
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+cd egs/yesno/ASR
+
+log "data preparation"
+./prepare.sh
+
+log "training"
+python3 ./tdnn/train.py
+
+log "decoding"
+python3 ./tdnn/decode.py
+
+log "export to pretrained.pt"
+
+python3 ./tdnn/export.py --epoch 14 --avg 2
+
+python3 ./tdnn/pretrained.py \
+  --checkpoint ./tdnn/exp/pretrained.pt \
+  --HLG ./data/lang_phone/HLG.pt \
+  --words-file ./data/lang_phone/words.txt \
+  download/waves_yesno/0_0_0_1_0_0_0_1.wav \
+  download/waves_yesno/0_0_1_0_0_0_1_0.wav
+
+log "Test exporting to torchscript"
+python3 ./tdnn/export.py --epoch 14 --avg 2 --jit 1
+
+python3 ./tdnn/jit_pretrained.py \
+  --nn-model ./tdnn/exp/cpu_jit.pt \
+  --HLG ./data/lang_phone/HLG.pt \
+  --words-file ./data/lang_phone/words.txt \
+  download/waves_yesno/0_0_0_1_0_0_0_1.wav \
+  download/waves_yesno/0_0_1_0_0_0_1_0.wav
+
+log "Test exporting to onnx"
+python3 ./tdnn/export_onnx.py --epoch 14 --avg 2
+
+log "Test float32 model"
+python3 ./tdnn/onnx_pretrained.py \
+  --nn-model ./tdnn/exp/model-epoch-14-avg-2.onnx \
+  --HLG ./data/lang_phone/HLG.pt \
+  --words-file ./data/lang_phone/words.txt \
+  download/waves_yesno/0_0_0_1_0_0_0_1.wav \
+  download/waves_yesno/0_0_1_0_0_0_1_0.wav
+
+log "Test int8 model"
+python3 ./tdnn/onnx_pretrained.py \
+  --nn-model ./tdnn/exp/model-epoch-14-avg-2.int8.onnx \
+  --HLG ./data/lang_phone/HLG.pt \
+  --words-file ./data/lang_phone/words.txt \
+  download/waves_yesno/0_0_0_1_0_0_0_1.wav \
+  download/waves_yesno/0_0_1_0_0_0_1_0.wav
+
+log "Test decoding with H"
+python3 ./tdnn/export.py --epoch 14 --avg 2 --jit 1
+
+python3 ./tdnn/jit_pretrained_decode_with_H.py \
+    --nn-model ./tdnn/exp/cpu_jit.pt \
+    --H ./data/lang_phone/H.fst \
+    --tokens ./data/lang_phone/tokens.txt \
+    ./download/waves_yesno/0_0_0_1_0_0_0_1.wav \
+    ./download/waves_yesno/0_0_1_0_0_0_1_0.wav \
+    ./download/waves_yesno/0_0_1_0_0_1_1_1.wav
+
+log "Test decoding with HL"
+python3 ./tdnn/export.py --epoch 14 --avg 2 --jit 1
+
+python3 ./tdnn/jit_pretrained_decode_with_HL.py \
+    --nn-model ./tdnn/exp/cpu_jit.pt \
+    --HL ./data/lang_phone/HL.fst \
+    --words ./data/lang_phone/words.txt \
+    ./download/waves_yesno/0_0_0_1_0_0_0_1.wav \
+    ./download/waves_yesno/0_0_1_0_0_0_1_0.wav \
+    ./download/waves_yesno/0_0_1_0_0_1_1_1.wav
+
+log "Show generated files"
+ls -lh tdnn/exp
+ls -lh data/lang_phone

.github/workflows/aishell.yml

@@ -0,0 +1,72 @@
+name: aishell
+
+on:
+  push:
+    branches:
+      - master
+
+  pull_request:
+    branches:
+      - master
+
+  workflow_dispatch:
+
+concurrency:
+  group: aishell-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  generate_build_matrix:
+    if: github.repository_owner == 'csukuangfj' || github.repository_owner == 'k2-fsa'
+
+    # see https://github.com/pytorch/pytorch/pull/50633
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Generating build matrix
+        id: set-matrix
+        run: |
+          # outputting for debugging purposes
+          python ./.github/scripts/docker/generate_build_matrix.py --python-version "3.10"
+          MATRIX=$(python ./.github/scripts/docker/generate_build_matrix.py --python-version "3.10")
+          echo "::set-output name=matrix::${MATRIX}"
+  aishell:
+    needs: generate_build_matrix
+    name: py${{ matrix.python-version }} torch${{ matrix.torch-version }} v${{ matrix.version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ${{ fromJson(needs.generate_build_matrix.outputs.matrix) }}
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Free space
+        shell: bash
+        run: |
+          df -h
+          rm -rf /opt/hostedtoolcache
+          df -h
+          echo "pwd: $PWD"
+          echo "github.workspace ${{ github.workspace }}"
+
+      - name: Run aishell tests
+        uses: addnab/docker-run-action@v3
+        with:
+            image: ghcr.io/${{ github.repository_owner }}/icefall:cpu-py${{ matrix.python-version }}-torch${{ matrix.torch-version }}-v${{ matrix.version }}
+            options: |
+              --volume ${{ github.workspace }}/:/icefall
+            shell: bash
+            run: |
+              export PYTHONPATH=/icefall:$PYTHONPATH
+              cd /icefall
+              git config --global --add safe.directory /icefall
+
+              .github/scripts/aishell/ASR/run.sh

.github/workflows/audioset.yml

@@ -0,0 +1,137 @@
+name: audioset
+
+on:
+  push:
+    branches:
+      - master
+
+  pull_request:
+    branches:
+      - master
+
+  workflow_dispatch:
+
+concurrency:
+  group: audioset-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  generate_build_matrix:
+    if: github.repository_owner == 'csukuangfj' || github.repository_owner == 'k2-fsa'
+    # see https://github.com/pytorch/pytorch/pull/50633
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Generating build matrix
+        id: set-matrix
+        run: |
+          # outputting for debugging purposes
+          python ./.github/scripts/docker/generate_build_matrix.py --python-version "3.10"
+          MATRIX=$(python ./.github/scripts/docker/generate_build_matrix.py --python-version "3.10")
+          echo "::set-output name=matrix::${MATRIX}"
+
+  audioset:
+    needs: generate_build_matrix
+    name: py${{ matrix.python-version }} torch${{ matrix.torch-version }} v${{ matrix.version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ${{ fromJson(needs.generate_build_matrix.outputs.matrix) }}
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Free space
+        shell: bash
+        run: |
+          ls -lh
+          df -h
+          rm -rf /opt/hostedtoolcache
+          df -h
+          echo "pwd: $PWD"
+          echo "github.workspace ${{ github.workspace }}"
+
+      - name: Run tests
+        uses: addnab/docker-run-action@v3
+        with:
+            image: ghcr.io/${{ github.repository_owner }}/icefall:cpu-py${{ matrix.python-version }}-torch${{ matrix.torch-version }}-v${{ matrix.version }}
+            options: |
+              --volume ${{ github.workspace }}/:/icefall
+            shell: bash
+            run: |
+              export PYTHONPATH=/icefall:$PYTHONPATH
+              cd /icefall
+              git config --global --add safe.directory /icefall
+
+              .github/scripts/audioset/AT/run.sh
+
+      - name: Show model files
+        shell: bash
+        run: |
+          sudo chown -R runner ./model-onnx
+          ls -lh ./model-onnx
+          chmod -x ./model-onnx/class_labels_indices.csv
+
+          echo "----------"
+          ls -lh ./model-onnx/*
+
+      - name: Upload model to huggingface
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0' && github.event_name == 'push'
+        env:
+          HF_TOKEN: ${{ secrets.HF_TOKEN }}
+        uses: nick-fields/retry@v3
+        with:
+          max_attempts: 20
+          timeout_seconds: 200
+          shell: bash
+          command: |
+            git config --global user.email "csukuangfj@gmail.com"
+            git config --global user.name "Fangjun Kuang"
+
+            rm -rf huggingface
+            export GIT_LFS_SKIP_SMUDGE=1
+
+            git clone https://huggingface.co/k2-fsa/sherpa-onnx-zipformer-audio-tagging-2024-04-09 huggingface
+            cd huggingface
+            git fetch
+            git pull
+            git merge -m "merge remote" --ff origin main
+            cp ../model-onnx/*.onnx ./
+            cp ../model-onnx/*.csv ./
+            cp -a ../model-onnx/test_wavs ./
+            ls -lh
+            git add .
+            git status
+            git commit -m "update models"
+            git status
+
+            git push https://csukuangfj:$HF_TOKEN@huggingface.co/k2-fsa/sherpa-onnx-zipformer-audio-tagging-2024-04-09 main || true
+            rm -rf huggingface
+
+      - name: Prepare for release
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0' && github.event_name == 'push'
+        shell: bash
+        run: |
+          d=sherpa-onnx-zipformer-audio-tagging-2024-04-09
+          mv ./model-onnx $d
+          tar cjvf ${d}.tar.bz2 $d
+          ls -lh
+
+      - name: Release exported onnx models
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0' && github.event_name == 'push'
+        uses: svenstaro/upload-release-action@v2
+        with:
+          file_glob: true
+          overwrite: true
+          file: sherpa-onnx-*.tar.bz2
+          repo_name: k2-fsa/sherpa-onnx
+          repo_token: ${{ secrets.UPLOAD_GH_SHERPA_ONNX_TOKEN }}
+          tag: audio-tagging-models
+

.github/workflows/baker_zh.yml

@@ -0,0 +1,152 @@
+name: baker_zh
+
+on:
+  push:
+    branches:
+      - master
+      - baker-matcha-2
+
+  pull_request:
+    branches:
+      - master
+
+  workflow_dispatch:
+
+concurrency:
+  group: baker-zh-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  generate_build_matrix:
+    if: github.repository_owner == 'csukuangfj' || github.repository_owner == 'k2-fsa'
+    # see https://github.com/pytorch/pytorch/pull/50633
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Generating build matrix
+        id: set-matrix
+        run: |
+          # outputting for debugging purposes
+          python ./.github/scripts/docker/generate_build_matrix.py --python-version "3.10"
+          MATRIX=$(python ./.github/scripts/docker/generate_build_matrix.py --python-version "3.10")
+          echo "::set-output name=matrix::${MATRIX}"
+
+  baker_zh:
+    needs: generate_build_matrix
+    name: py${{ matrix.python-version }} torch${{ matrix.torch-version }} v${{ matrix.version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ${{ fromJson(needs.generate_build_matrix.outputs.matrix) }}
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Free space
+        shell: bash
+        run: |
+          ls -lh
+          df -h
+          rm -rf /opt/hostedtoolcache
+          df -h
+          echo "pwd: $PWD"
+          echo "github.workspace ${{ github.workspace }}"
+
+      - name: Run tests
+        uses: addnab/docker-run-action@v3
+        with:
+            image: ghcr.io/${{ github.repository_owner }}/icefall:cpu-py${{ matrix.python-version }}-torch${{ matrix.torch-version }}-v${{ matrix.version }}
+            options: |
+              --volume ${{ github.workspace }}/:/icefall
+            shell: bash
+            run: |
+              export PYTHONPATH=/icefall:$PYTHONPATH
+              cd /icefall
+
+              pip install onnx==1.17.0
+
+              pip list
+
+              git config --global --add safe.directory /icefall
+
+              .github/scripts/baker_zh/TTS/run-matcha.sh
+
+      - name: display files
+        shell: bash
+        run: |
+          ls -lh
+
+      - uses: actions/upload-artifact@v4
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0'
+        with:
+          name: generated-test-files-${{ matrix.python-version }}-${{ matrix.torch-version }}
+          path: ./*.wav
+
+      - uses: actions/upload-artifact@v4
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0'
+        with:
+          name: step-2
+          path: ./model-steps-2.onnx
+
+      - uses: actions/upload-artifact@v4
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0'
+        with:
+          name: step-3
+          path: ./model-steps-3.onnx
+
+      - uses: actions/upload-artifact@v4
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0'
+        with:
+          name: step-4
+          path: ./model-steps-4.onnx
+
+      - uses: actions/upload-artifact@v4
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0'
+        with:
+          name: step-5
+          path: ./model-steps-5.onnx
+
+      - uses: actions/upload-artifact@v4
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0'
+        with:
+          name: step-6
+          path: ./model-steps-6.onnx
+
+      - name: Upload models to huggingface
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0' && github.event_name == 'push'
+        shell: bash
+        env:
+          HF_TOKEN: ${{ secrets.HF_TOKEN }}
+        run: |
+          d=matcha-icefall-zh-baker
+
+          GIT_LFS_SKIP_SMUDGE=1  git clone https://huggingface.co/csukuangfj/$d hf
+          cp -av $d/* hf/
+
+          pushd hf
+          git add .
+
+          git config --global user.name "csukuangfj"
+          git config --global user.email "csukuangfj@gmail.com"
+          git config --global lfs.allowincompletepush true
+
+          git commit -m "upload model" && git push https://csukuangfj:${HF_TOKEN}@huggingface.co/csukuangfj/$d main || true
+          popd
+
+      - name: Release exported onnx models
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0' && github.event_name == 'push'
+        uses: svenstaro/upload-release-action@v2
+        with:
+          file_glob: true
+          overwrite: true
+          file: matcha-icefall-*.tar.bz2
+          repo_name: k2-fsa/sherpa-onnx
+          repo_token: ${{ secrets.UPLOAD_GH_SHERPA_ONNX_TOKEN }}
+          tag: tts-models

.github/workflows/build-cpu-docker.yml

@@ -0,0 +1,81 @@
+name: build-cpu-docker
+on:
+  workflow_dispatch:
+
+concurrency:
+  group: build-cpu-docker-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  generate_build_matrix:
+    if: github.repository_owner == 'csukuangfj' || github.repository_owner == 'k2-fsa'
+    # see https://github.com/pytorch/pytorch/pull/50633
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Generating build matrix
+        id: set-matrix
+        run: |
+          # outputting for debugging purposes
+          python ./.github/scripts/docker/generate_build_matrix.py
+          MATRIX=$(python ./.github/scripts/docker/generate_build_matrix.py)
+          echo "::set-output name=matrix::${MATRIX}"
+  build-cpu-docker:
+    needs: generate_build_matrix
+    name: py${{ matrix.python-version }} torch${{ matrix.torch-version }} v${{ matrix.version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ${{ fromJson(needs.generate_build_matrix.outputs.matrix) }}
+
+    steps:
+      # refer to https://github.com/actions/checkout
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Free space
+        shell: bash
+        run: |
+          df -h
+          rm -rf /opt/hostedtoolcache
+          df -h
+
+      - name: 'Login to GitHub Container Registry'
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build docker Image
+        shell: bash
+        run: |
+          cd .github/scripts/docker
+          torch_version=${{ matrix.torch-version }}
+          torchaudio_version=${{ matrix.torchaudio-version }}
+
+          echo "torch_version: $torch_version"
+          echo "torchaudio_version: $torchaudio_version"
+
+          version=${{ matrix.version }}
+
+          tag=ghcr.io/${{ github.repository_owner }}/icefall:cpu-py${{ matrix.python-version }}-torch${{ matrix.torch-version }}-v$version
+          echo "tag: $tag"
+
+          docker build \
+            -t $tag \
+            --build-arg PYTHON_VERSION=${{ matrix.python-version }} \
+            --build-arg TORCH_VERSION=$torch_version \
+            --build-arg TORCHAUDIO_VERSION=$torchaudio_version \
+            --build-arg K2_VERSION=${{ matrix.k2-version }} \
+            --build-arg KALDIFEAT_VERSION=${{ matrix.kaldifeat-version }} \
+            .
+
+          docker image ls
+          docker push $tag

.github/workflows/build-doc.yml

@@ -0,0 +1,74 @@
+# Copyright      2022  Xiaomi Corp.       (author: Fangjun Kuang)
+
+# See ../../LICENSE for clarification regarding multiple authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# refer to https://github.com/actions/starter-workflows/pull/47/files
+
+# You can access it at https://k2-fsa.github.io/icefall/
+name: Generate doc
+on:
+  push:
+    branches:
+    - master
+    - doc
+  pull_request:
+    types: [labeled]
+
+  workflow_dispatch:
+
+concurrency:
+  group: build_doc-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build-doc:
+    # if: github.event.label.name == 'doc' || github.event_name == 'push'
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        python-version: ["3.8"]
+    steps:
+      # refer to https://github.com/actions/checkout
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Display Python version
+        run: python -c "import sys; print(sys.version)"
+
+      - name: Build doc
+        shell: bash
+        run: |
+          .github/scripts/generate-piper-phonemize-page.py
+          cd docs
+          python3 -m pip install -r ./requirements.txt
+          make html
+          touch build/html/.nojekyll
+
+          cp -v ../piper_phonemize.html ./build/html/
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./docs/build/html
+          publish_branch: gh-pages

.github/workflows/build-docker-image.yml

@@ -0,0 +1,84 @@
+# see also
+# https://docs.github.com/en/actions/publishing-packages/publishing-docker-images#publishing-images-to-github-packages
+name: Build docker image
+on:
+  workflow_dispatch:
+
+concurrency:
+  group: build_docker-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build-docker-image:
+    name: ${{ matrix.image }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        image: ["torch2.4.1-cuda12.4", "torch2.4.1-cuda12.1", "torch2.4.1-cuda11.8", "torch2.4.0-cuda12.4", "torch2.4.0-cuda12.1", "torch2.4.0-cuda11.8", "torch2.3.1-cuda12.1", "torch2.3.1-cuda11.8", "torch2.2.2-cuda12.1", "torch2.2.2-cuda11.8", "torch2.2.1-cuda12.1", "torch2.2.1-cuda11.8", "torch2.2.0-cuda12.1", "torch2.2.0-cuda11.8", "torch2.1.0-cuda12.1", "torch2.1.0-cuda11.8", "torch2.0.0-cuda11.7", "torch1.13.0-cuda11.6", "torch1.12.1-cuda11.3", "torch1.9.0-cuda10.2"]
+
+    steps:
+      # refer to https://github.com/actions/checkout
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Rename
+        shell: bash
+        run: |
+          image=${{ matrix.image }}
+          mv -v ./docker/$image.dockerfile ./Dockerfile
+
+      - name: Free space
+        shell: bash
+        run: |
+          df -h
+          rm -rf /opt/hostedtoolcache
+          df -h
+
+      - name: Free more space
+        shell: bash
+        run: |
+          # https://github.com/orgs/community/discussions/25678
+          cd /opt
+          find . -maxdepth 1 -mindepth 1 '!' -path ./containerd '!' -path ./actionarchivecache '!' -path ./runner '!' -path ./runner-cache -exec rm -rf '{}' ';'
+
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf "/usr/local/share/boost"
+          sudo rm -rf "$AGENT_TOOLSDIRECTORY"
+
+      - name: Free Disk Space (Ubuntu)
+        uses: jlumbroso/free-disk-space@main
+        with:
+          # this might remove tools that are actually needed,
+          # if set to "true" but frees about 6 GB
+          tool-cache: false
+
+          # all of these default to true, but feel free to set to
+          # "false" if necessary for your workflow
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: true
+          docker-images: false
+          swap-storage: true
+
+      - name: Check space
+        shell: bash
+        run: |
+          df -h
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: k2fsa/icefall:${{ matrix.image }}

.github/workflows/ksponspeech.yml

@@ -0,0 +1,167 @@
+name: ksponspeech
+
+on:
+  push:
+    branches:
+      - ksponspeech
+
+  workflow_dispatch:
+
+jobs:
+  ksponspeech:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        python-version: [3.8]
+      fail-fast: false
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pip'
+          cache-dependency-path: '**/requirements-ci.txt'
+
+      - name: Install Python dependencies
+        run: |
+          grep -v '^#' ./requirements-ci.txt  | xargs -n 1 -L 1 pip install
+          pip uninstall -y protobuf
+          pip install --no-binary protobuf protobuf==3.20.*
+
+      - name: Cache kaldifeat
+        id: my-cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/tmp/kaldifeat
+          key: cache-tmp-${{ matrix.python-version }}-2023-05-22
+
+      - name: Install kaldifeat
+        if: steps.my-cache.outputs.cache-hit != 'true'
+        shell: bash
+        run: |
+          .github/scripts/install-kaldifeat.sh
+
+      - name: Test
+        shell: bash
+        run: |
+          export PYTHONPATH=$PWD:$PYTHONPATH
+          export PYTHONPATH=~/tmp/kaldifeat/kaldifeat/python:$PYTHONPATH
+          export PYTHONPATH=~/tmp/kaldifeat/build/lib:$PYTHONPATH
+
+          .github/scripts/ksponspeech/ASR/run.sh
+
+      - name: Show model files (2024-06-24)
+        shell: bash
+        run: |
+          src=/tmp/model-2024-06-24
+          ls -lh $src
+
+      - name: Show model files (2024-06-16)
+        shell: bash
+        run: |
+          src=/tmp/model-2024-06-16
+          ls -lh $src
+
+      - name: Upload model to huggingface (2024-06-24)
+        env:
+          HF_TOKEN: ${{ secrets.HF_TOKEN }}
+        uses: nick-fields/retry@v3
+        with:
+          max_attempts: 20
+          timeout_seconds: 200
+          shell: bash
+          command: |
+            src=/tmp/model-2024-06-24
+            git config --global user.email "csukuangfj@gmail.com"
+            git config --global user.name "Fangjun Kuang"
+
+            rm -rf hf
+            export GIT_LFS_SKIP_SMUDGE=1
+            export GIT_CLONE_PROTECTION_ACTIVE=false
+
+            git clone https://huggingface.co/k2-fsa/sherpa-onnx-zipformer-korean-2024-06-24 hf
+            cd hf
+            git fetch
+            git pull
+            git merge -m "merge remote" --ff origin main
+            cp -av $src/* ./
+            ls -lh
+            git lfs track "bpe.model"
+            git lfs track "*.onnx"
+            git add .
+            git status
+            git commit -m "update models"
+            git status
+
+            git push https://csukuangfj:$HF_TOKEN@huggingface.co/k2-fsa/sherpa-onnx-zipformer-korean-2024-06-24 main || true
+            rm -rf hf
+
+      - name: Upload model to huggingface (2024-06-16)
+        env:
+          HF_TOKEN: ${{ secrets.HF_TOKEN }}
+        uses: nick-fields/retry@v3
+        with:
+          max_attempts: 20
+          timeout_seconds: 200
+          shell: bash
+          command: |
+            src=/tmp/model-2024-06-16
+            git config --global user.email "csukuangfj@gmail.com"
+            git config --global user.name "Fangjun Kuang"
+
+            rm -rf hf
+            export GIT_LFS_SKIP_SMUDGE=1
+            export GIT_CLONE_PROTECTION_ACTIVE=false
+
+            git clone https://huggingface.co/k2-fsa/sherpa-onnx-streaming-zipformer-korean-2024-06-16 hf
+            cd hf
+            git fetch
+            git pull
+            git merge -m "merge remote" --ff origin main
+            cp -v $src/* ./
+            ls -lh
+            git lfs track "bpe.model"
+            git lfs track "*.onnx"
+            cp -av test_wavs $src/
+            git add .
+            git status
+            git commit -m "update models"
+            git status
+
+            git push https://csukuangfj:$HF_TOKEN@huggingface.co/k2-fsa/sherpa-onnx-streaming-zipformer-korean-2024-06-16 main || true
+            rm -rf hf
+
+      - name: Prepare for release (2024-06-16)
+        shell: bash
+        run: |
+          src=/tmp/model-2024-06-16
+          d=sherpa-onnx-streaming-zipformer-korean-2024-06-16
+          mv $src ./$d
+          tar cjvf ${d}.tar.bz2 $d
+          ls -lh
+
+      - name: Prepare for release (2024-06-24)
+        shell: bash
+        run: |
+          src=/tmp/model-2024-06-24
+          d=sherpa-onnx-zipformer-korean-2024-06-24
+          mv $src ./$d
+          tar cjvf ${d}.tar.bz2 $d
+          ls -lh
+
+      - name: Release exported onnx models
+        uses: svenstaro/upload-release-action@v2
+        with:
+          file_glob: true
+          overwrite: true
+          file: sherpa-onnx-*.tar.bz2
+          repo_name: k2-fsa/sherpa-onnx
+          repo_token: ${{ secrets.UPLOAD_GH_SHERPA_ONNX_TOKEN }}
+          tag: asr-models

.github/workflows/librispeech.yml

@@ -0,0 +1,72 @@
+name: librispeech
+on:
+  push:
+    branches:
+      - master
+
+  pull_request:
+    branches:
+      - master
+
+  workflow_dispatch:
+
+concurrency:
+  group: librispeech-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  generate_build_matrix:
+    if: github.repository_owner == 'csukuangfj' || github.repository_owner == 'k2-fsa'
+    # see https://github.com/pytorch/pytorch/pull/50633
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Generating build matrix
+        id: set-matrix
+        run: |
+          # outputting for debugging purposes
+          python ./.github/scripts/docker/generate_build_matrix.py --python-version "3.10"
+          # MATRIX=$(python ./.github/scripts/docker/generate_build_matrix.py --python-version "3.10")
+          MATRIX=$(python ./.github/scripts/docker/generate_build_matrix.py --python-version "3.10" --min-torch-version "2.6.0")
+          echo "::set-output name=matrix::${MATRIX}"
+  librispeech:
+    needs: generate_build_matrix
+    name: py${{ matrix.python-version }} torch${{ matrix.torch-version }} v${{ matrix.version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ${{ fromJson(needs.generate_build_matrix.outputs.matrix) }}
+
+    steps:
+      # refer to https://github.com/actions/checkout
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Free space
+        shell: bash
+        run: |
+          df -h
+          rm -rf /opt/hostedtoolcache
+          df -h
+          echo "pwd: $PWD"
+          echo "github.workspace ${{ github.workspace }}"
+
+      - name: Test zipformer/train.py with LibriSpeech
+        uses: addnab/docker-run-action@v3
+        with:
+            image: ghcr.io/${{ github.repository_owner }}/icefall:cpu-py${{ matrix.python-version }}-torch${{ matrix.torch-version }}-v${{ matrix.version }}
+            options: |
+              --volume ${{ github.workspace }}/:/icefall
+            shell: bash
+            run: |
+              export PYTHONPATH=/icefall:$PYTHONPATH
+              cd /icefall
+              git config --global --add safe.directory /icefall
+
+              .github/scripts/librispeech/ASR/run.sh

.github/workflows/ljspeech.yml

@@ -0,0 +1,166 @@
+name: ljspeech
+
+on:
+  push:
+    branches:
+      - master
+
+  pull_request:
+    branches:
+      - master
+
+  workflow_dispatch:
+
+concurrency:
+  group: ljspeech-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  generate_build_matrix:
+    if: github.repository_owner == 'csukuangfj' || github.repository_owner == 'k2-fsa'
+    # see https://github.com/pytorch/pytorch/pull/50633
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Generating build matrix
+        id: set-matrix
+        run: |
+          # outputting for debugging purposes
+          python ./.github/scripts/docker/generate_build_matrix.py --python-version "3.10"
+          MATRIX=$(python ./.github/scripts/docker/generate_build_matrix.py --python-version "3.10")
+          echo "::set-output name=matrix::${MATRIX}"
+
+  ljspeech:
+    needs: generate_build_matrix
+    name: py${{ matrix.python-version }} torch${{ matrix.torch-version }} v${{ matrix.version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ${{ fromJson(needs.generate_build_matrix.outputs.matrix) }}
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Free space
+        shell: bash
+        run: |
+          ls -lh
+          df -h
+          rm -rf /opt/hostedtoolcache
+          df -h
+          echo "pwd: $PWD"
+          echo "github.workspace ${{ github.workspace }}"
+
+      - name: Run tests
+        uses: addnab/docker-run-action@v3
+        with:
+            image: ghcr.io/${{ github.repository_owner }}/icefall:cpu-py${{ matrix.python-version }}-torch${{ matrix.torch-version }}-v${{ matrix.version }}
+            options: |
+              --volume ${{ github.workspace }}/:/icefall
+            shell: bash
+            run: |
+              export PYTHONPATH=/icefall:$PYTHONPATH
+              cd /icefall
+              git config --global --add safe.directory /icefall
+
+              pip install "matplotlib<=3.9.4"
+
+              pip list
+
+              .github/scripts/ljspeech/TTS/run-matcha.sh
+              .github/scripts/ljspeech/TTS/run.sh
+
+      - name: display files
+        shell: bash
+        run: |
+          ls -lh
+
+      - uses: actions/upload-artifact@v4
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0'
+        with:
+          name: generated-test-files-${{ matrix.python-version }}-${{ matrix.torch-version }}
+          path: ./*.wav
+
+      - name: Release exported onnx models
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0' && github.event_name == 'push'
+        uses: svenstaro/upload-release-action@v2
+        with:
+          file_glob: true
+          overwrite: true
+          file: vits-icefall-*.tar.bz2
+          repo_name: k2-fsa/sherpa-onnx
+          repo_token: ${{ secrets.UPLOAD_GH_SHERPA_ONNX_TOKEN }}
+          tag: tts-models
+
+      - uses: actions/upload-artifact@v4
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0'
+        with:
+          name: step-2
+          path: ./model-steps-2.onnx
+
+      - uses: actions/upload-artifact@v4
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0'
+        with:
+          name: step-3
+          path: ./model-steps-3.onnx
+
+      - uses: actions/upload-artifact@v4
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0'
+        with:
+          name: step-4
+          path: ./model-steps-4.onnx
+
+      - uses: actions/upload-artifact@v4
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0'
+        with:
+          name: step-5
+          path: ./model-steps-5.onnx
+
+      - uses: actions/upload-artifact@v4
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0'
+        with:
+          name: step-6
+          path: ./model-steps-6.onnx
+
+      - name: Upload models to huggingface
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0'
+        shell: bash
+        env:
+          HF_TOKEN: ${{ secrets.HF_TOKEN }}
+        run: |
+          d=matcha-icefall-en_US-ljspeech
+
+          GIT_LFS_SKIP_SMUDGE=1  git clone https://huggingface.co/csukuangfj/$d hf
+          cp -av $d/* hf/
+
+          pushd hf
+
+          git lfs track "cmn_dict"
+          git lfs track "ru_dict"
+
+          git add .
+
+          git config --global user.name "csukuangfj"
+          git config --global user.email "csukuangfj@gmail.com"
+          git config --global lfs.allowincompletepush true
+
+          git commit -m "upload model" && git push https://csukuangfj:${HF_TOKEN}@huggingface.co/csukuangfj/$d main || true
+          popd
+
+      - name: Release exported onnx models
+        if: matrix.python-version == '3.10' && matrix.torch-version == '2.3.0'
+        uses: svenstaro/upload-release-action@v2
+        with:
+          file_glob: true
+          overwrite: true
+          file: matcha-icefall-*.tar.bz2
+          repo_name: k2-fsa/sherpa-onnx
+          repo_token: ${{ secrets.UPLOAD_GH_SHERPA_ONNX_TOKEN }}
+          tag: tts-models

.github/workflows/multi-zh-hans.yml

@@ -0,0 +1,86 @@
+name: multi-zh-hans
+
+on:
+  push:
+    branches:
+      - master
+
+  workflow_dispatch:
+
+concurrency:
+  group: multi-zh-hans-${{ github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  contents: write
+
+jobs:
+  generate_build_matrix:
+    if: github.repository_owner == 'csukuangfj' || github.repository_owner == 'k2-fsa'
+    # see https://github.com/pytorch/pytorch/pull/50633
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Generating build matrix
+        id: set-matrix
+        run: |
+          # outputting for debugging purposes
+          python ./.github/scripts/docker/generate_build_matrix.py --torch-version "2.7.0" --python-version "3.11"
+          MATRIX=$(python ./.github/scripts/docker/generate_build_matrix.py --torch-version "2.7.0" --python-version "3.11")
+          echo "::set-output name=matrix::${MATRIX}"
+  multi-zh-hans:
+    needs: generate_build_matrix
+    name: py${{ matrix.python-version }} torch${{ matrix.torch-version }} v${{ matrix.version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ${{ fromJson(needs.generate_build_matrix.outputs.matrix) }}
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Free space
+        shell: bash
+        run: |
+          df -h
+          rm -rf /opt/hostedtoolcache
+          df -h
+          echo "pwd: $PWD"
+          echo "github.workspace ${{ github.workspace }}"
+
+      - name: Test with multi_zh-hans
+        uses: addnab/docker-run-action@v3
+        with:
+            image: ghcr.io/${{ github.repository_owner }}/icefall:cpu-py${{ matrix.python-version }}-torch${{ matrix.torch-version }}-v${{ matrix.version }}
+            options: |
+              --volume ${{ github.workspace }}/:/icefall
+            shell: bash
+            run: |
+              export PYTHONPATH=/icefall:$PYTHONPATH
+              export HF_TOKEN=${{ secrets.HF_TOKEN }}
+              cd /icefall
+              git config --global --add safe.directory /icefall
+
+              .github/scripts/multi_zh-hans/ASR/run.sh
+
+      - name: Show models
+        shell: bash
+        run: |
+          ls -lh *.tar.bz2
+
+      - name: upload model to https://github.com/k2-fsa/sherpa-onnx
+        uses: svenstaro/upload-release-action@v2
+        with:
+          file_glob: true
+          file: ./*.tar.bz2
+          overwrite: true
+          repo_name: k2-fsa/sherpa-onnx
+          repo_token: ${{ secrets.UPLOAD_GH_SHERPA_ONNX_TOKEN }}
+          tag: asr-models

.github/workflows/rknn.yml

@@ -0,0 +1,134 @@
+name: rknn
+
+on:
+  push:
+    branches:
+      - master
+      - rknn-zipformer2
+
+  pull_request:
+    branches:
+      - master
+
+  workflow_dispatch:
+
+concurrency:
+  group: rknn-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  rknn:
+    name: RKNN ${{ matrix.recipe }} ${{ matrix.rknn_toolkit2_version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.10"]
+        k2-version: ["1.24.4.dev20241029"]
+        kaldifeat-version: ["1.25.5.dev20241029"]
+        torch-version: ["2.0.0"]
+        torchaudio-version: ["2.0.1"]
+        version: ["20241218"]
+        # recipe: ["librispeech", "wenetspeech", "multi_zh-hans"]
+        recipe: ["librispeech"]
+        rknn_toolkit2_version: ["2.2.0", "2.1.0"]
+
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Export RKNN model
+        uses: addnab/docker-run-action@v3
+        with:
+            image: ghcr.io/${{ github.repository_owner }}/icefall:cpu-py${{ matrix.python-version }}-torch${{ matrix.torch-version }}-v${{ matrix.version }}
+            options: |
+              --volume ${{ github.workspace }}/:/icefall
+            shell: bash
+            run: |
+              cat /etc/*release
+              lsb_release -a
+              uname -a
+              python3 --version
+              export PYTHONPATH=/icefall:$PYTHONPATH
+              cd /icefall
+              git config --global --add safe.directory /icefall
+
+              python3 -m torch.utils.collect_env
+              python3 -m k2.version
+              pip list
+              export rknn_toolkit2_version=${{ matrix.rknn_toolkit2_version }}
+
+              if [[ $rknn_toolkit2_version == "2.1.0" ]]; then
+                # for the folder pruned_transducer_stateless7_streaming
+                curl -SL -O https://huggingface.co/csukuangfj/rknn-toolkit2/resolve/main/rknn_toolkit2-2.1.0%2B708089d1-cp310-cp310-linux_x86_64.whl
+              else
+                # for the folder zipformer/
+                curl -SL -O https://huggingface.co/csukuangfj/rknn-toolkit2/resolve/main/rknn_toolkit2-2.2.0-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
+              fi
+
+              # Install rknn
+              pip install ./*.whl "numpy<=1.26.4"
+              pip list | grep rknn
+              echo "---"
+              pip list
+              echo "---"
+
+              recipe=${{ matrix.recipe }}
+              .github/scripts/$recipe/ASR/run_rknn.sh > log-$recipe.txt 2>&1 || true
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: log-${{ matrix.recipe }}-${{ matrix.rknn_toolkit2_version }}
+          path: ./log-*.txt
+
+      - name: Display results
+        shell: bash
+        run: |
+          ls -lh *rk*.tar.bz2 || true
+
+      - name: Release to GitHub
+        uses: svenstaro/upload-release-action@v2
+        with:
+          file_glob: true
+          overwrite: true
+          file: sherpa-onnx-*.tar.bz2
+          repo_name: k2-fsa/sherpa-onnx
+          repo_token: ${{ secrets.UPLOAD_GH_SHERPA_ONNX_TOKEN }}
+          tag: asr-models
+
+      - name: Upload model to huggingface
+        if: github.event_name == 'push' || github.event_name == 'workflow_dispatch'
+        env:
+          HF_TOKEN: ${{ secrets.HF_TOKEN }}
+        uses: nick-fields/retry@v3
+        with:
+          max_attempts: 20
+          timeout_seconds: 200
+          shell: bash
+          command: |
+            git config --global user.email "csukuangfj@gmail.com"
+            git config --global user.name "Fangjun Kuang"
+
+            rm -rf huggingface
+            export GIT_LFS_SKIP_SMUDGE=1
+
+            git clone https://huggingface.co/csukuangfj/sherpa-onnx-rknn-models huggingface
+            cd huggingface
+
+            git fetch
+            git pull
+            git merge -m "merge remote" --ff origin main
+            dst=streaming-asr
+            mkdir -p $dst
+            cp ../*rk*.tar.bz2 $dst/ || true
+
+            ls -lh $dst
+            git add .
+            git status
+            git commit -m "update models"
+            git status
+
+            git push https://csukuangfj:$HF_TOKEN@huggingface.co/csukuangfj/sherpa-onnx-rknn-models main || true
+            rm -rf huggingface

.github/workflows/run-docker-image.yml

@@ -0,0 +1,144 @@
+name: Run docker image
+on:
+  workflow_dispatch:
+
+concurrency:
+  group: run_docker_image-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  run-docker-image:
+    name: ${{ matrix.image }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        image: ["torch2.4.0-cuda12.4", "torch2.4.0-cuda12.1", "torch2.4.0-cuda11.8", "torch2.3.1-cuda12.1", "torch2.3.1-cuda11.8", "torch2.2.2-cuda12.1", "torch2.2.2-cuda11.8", "torch2.2.1-cuda12.1", "torch2.2.1-cuda11.8", "torch2.2.0-cuda12.1", "torch2.2.0-cuda11.8", "torch2.1.0-cuda12.1", "torch2.1.0-cuda11.8", "torch2.0.0-cuda11.7", "torch1.13.0-cuda11.6", "torch1.12.1-cuda11.3", "torch1.9.0-cuda10.2"]
+    steps:
+      # refer to https://github.com/actions/checkout
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Free space
+        shell: bash
+        run: |
+          df -h
+          rm -rf /opt/hostedtoolcache
+          df -h
+
+      - name: Free more space
+        shell: bash
+        run: |
+          # https://github.com/orgs/community/discussions/25678
+          cd /opt
+          find . -maxdepth 1 -mindepth 1 '!' -path ./containerd '!' -path ./actionarchivecache '!' -path ./runner '!' -path ./runner-cache -exec rm -rf '{}' ';'
+
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf "/usr/local/share/boost"
+          sudo rm -rf "$AGENT_TOOLSDIRECTORY"
+
+      - name: Free Disk Space (Ubuntu)
+        uses: jlumbroso/free-disk-space@main
+        with:
+          # this might remove tools that are actually needed,
+          # if set to "true" but frees about 6 GB
+          tool-cache: false
+
+          # all of these default to true, but feel free to set to
+          # "false" if necessary for your workflow
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: true
+          docker-images: false
+          swap-storage: true
+
+      - name: Check space
+        shell: bash
+        run: |
+          df -h
+
+      - name: Run the build process with Docker
+        uses: addnab/docker-run-action@v3
+        with:
+            image: k2fsa/icefall:${{ matrix.image }}
+            shell: bash
+            run: |
+              uname -a
+              cat /etc/*release
+
+              find / -name libcuda* 2>/dev/null
+
+              ls -lh /usr/local/
+              ls -lh /usr/local/cuda*
+
+              nvcc --version
+
+              ls -lh /usr/local/cuda-*/compat/*
+
+              # For torch1.9.0-cuda10.2
+              export LD_LIBRARY_PATH=/usr/local/cuda-10.2/compat:$LD_LIBRARY_PATH
+
+              # For torch1.12.1-cuda11.3
+              export LD_LIBRARY_PATH=/usr/local/cuda-11.3/compat:$LD_LIBRARY_PATH
+
+              # For torch2.0.0-cuda11.7
+              export LD_LIBRARY_PATH=/usr/local/cuda-11.7/compat:$LD_LIBRARY_PATH
+
+              # For torch2.1.0-cuda11.8
+              export LD_LIBRARY_PATH=/usr/local/cuda-11.8/compat:$LD_LIBRARY_PATH
+
+              # For torch2.1.0-cuda12.1
+              export LD_LIBRARY_PATH=/usr/local/cuda-12.1/compat:$LD_LIBRARY_PATH
+
+
+              which nvcc
+              cuda_dir=$(dirname $(which nvcc))
+              echo "cuda_dir: $cuda_dir"
+
+              find $cuda_dir -name libcuda.so*
+              echo "--------------------"
+
+              find / -name libcuda.so* 2>/dev/null
+
+              # for torch1.13.0-cuda11.6
+              if [ -e /opt/conda/lib/stubs/libcuda.so ]; then
+                cd /opt/conda/lib/stubs && ln -s libcuda.so libcuda.so.1 && cd -
+                export LD_LIBRARY_PATH=/opt/conda/lib/stubs:$LD_LIBRARY_PATH
+              fi
+
+              find / -name libcuda.so* 2>/dev/null
+              echo "LD_LIBRARY_PATH: $LD_LIBRARY_PATH"
+
+              python3 --version
+              which python3
+
+              python3 -m pip list
+
+              echo "----------torch----------"
+              python3 -m torch.utils.collect_env
+
+              echo "----------k2----------"
+              python3 -c "import k2; print(k2.__file__)"
+              python3 -c "import k2; print(k2.__dev_version__)"
+              python3 -m k2.version
+
+              echo "----------lhotse----------"
+              python3 -c "import lhotse; print(lhotse.__file__)"
+              python3 -c "import lhotse; print(lhotse.__version__)"
+
+              echo "----------kaldifeat----------"
+              python3 -c "import kaldifeat; print(kaldifeat.__file__)"
+              python3 -c "import kaldifeat; print(kaldifeat.__version__)"
+
+              echo "Test yesno recipe"
+
+              cd egs/yesno/ASR
+
+              ./prepare.sh
+
+              ./tdnn/train.py
+
+              ./tdnn/decode.py

.github/workflows/run-gigaspeech-2022-05-13.yml

@@ -0,0 +1,128 @@
+# Copyright      2021  Fangjun Kuang (csukuangfj@gmail.com)
+
+# See ../../LICENSE for clarification regarding multiple authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: run-gigaspeech-2022-05-13
+# stateless transducer + k2 pruned rnnt-loss + reworked conformer
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    types: [labeled]
+
+  schedule:
+    # minute (0-59)
+    # hour (0-23)
+    # day of the month (1-31)
+    # month (1-12)
+    # day of the week (0-6)
+    # nightly build at 15:50 UTC time every day
+    - cron: "50 15 * * *"
+
+  workflow_dispatch:
+
+concurrency:
+  group: run_gigaspeech_2022_05_13-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  run_gigaspeech_2022_05_13:
+    if: github.event_name == 'workflow_dispatch' || github.event.label.name == 'ready' || github.event.label.name == 'run-decode' || github.event_name == 'push' || github.event_name == 'schedule'
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        python-version: [3.8]
+
+      fail-fast: false
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Setup Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pip'
+          cache-dependency-path: '**/requirements-ci.txt'
+
+      - name: Install Python dependencies
+        run: |
+          grep -v '^#' ./requirements-ci.txt  | xargs -n 1 -L 1 pip install
+          pip uninstall -y protobuf
+          pip install --no-binary protobuf protobuf==3.20.*
+
+      - name: Cache kaldifeat
+        id: my-cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/tmp/kaldifeat
+          key: cache-tmp-${{ matrix.python-version }}-2023-05-22
+
+      - name: Install kaldifeat
+        if: steps.my-cache.outputs.cache-hit != 'true'
+        shell: bash
+        run: |
+          .github/scripts/install-kaldifeat.sh
+
+      - name: Download GigaSpeech dev/test dataset
+        shell: bash
+        run: |
+          sudo apt-get install -y -q git-lfs
+
+          .github/scripts/download-gigaspeech-dev-test-dataset.sh
+
+      - name: Inference with pre-trained model
+        shell: bash
+        env:
+          GITHUB_EVENT_NAME: ${{ github.event_name }}
+          GITHUB_EVENT_LABEL_NAME: ${{ github.event.label.name }}
+        run: |
+          ln -s ~/tmp/giga-dev-dataset-fbank/data egs/gigaspeech/ASR/
+
+          ls -lh egs/gigaspeech/ASR/data/fbank
+
+          export PYTHONPATH=$PWD:$PYTHONPATH
+          export PYTHONPATH=~/tmp/kaldifeat/kaldifeat/python:$PYTHONPATH
+          export PYTHONPATH=~/tmp/kaldifeat/build/lib:$PYTHONPATH
+
+          .github/scripts/run-gigaspeech-pruned-transducer-stateless2-2022-05-12.sh
+
+      - name: Display decoding results for gigaspeech pruned_transducer_stateless2
+        if: github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' || github.event.label.name == 'run-decode'
+        shell: bash
+        run: |
+          cd egs/gigaspeech/ASR/
+          tree ./pruned_transducer_stateless2/exp
+
+          sudo apt-get -qq install tree
+
+          cd pruned_transducer_stateless2
+          echo "results for pruned_transducer_stateless2"
+          echo "===greedy search==="
+          find exp/greedy_search -name "log-*" -exec grep -n --color "best for dev" {} + | sort -n -k2
+          find exp/greedy_search -name "log-*" -exec grep -n --color "best for test" {} + | sort -n -k2
+
+      - name: Upload decoding results for gigaspeech pruned_transducer_stateless2
+        uses: actions/upload-artifact@v4
+        if: github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' || github.event.label.name == 'run-decode'
+        with:
+          name: torch-${{ matrix.torch }}-python-${{ matrix.python-version }}-ubuntu-latest-cpu-gigaspeech-pruned_transducer_stateless2-2022-05-12
+          path: egs/gigaspeech/ASR/pruned_transducer_stateless2/exp/

.github/workflows/run-gigaspeech-zipformer-2023-10-17.yml

@@ -0,0 +1,136 @@
+# Copyright      2022  Fangjun Kuang (csukuangfj@gmail.com)
+
+# See ../../LICENSE for clarification regarding multiple authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: run-gigaspeech-zipformer-2023-10-17
+# zipformer
+
+on:
+  push:
+    branches:
+      - master
+
+  pull_request:
+    types: [labeled]
+
+  schedule:
+    # minute (0-59)
+    # hour (0-23)
+    # day of the month (1-31)
+    # month (1-12)
+    # day of the week (0-6)
+    # nightly build at 15:50 UTC time every day
+    - cron: "50 15 * * *"
+
+  workflow_dispatch:
+
+concurrency:
+  group: run_gigaspeech_2023_10_17_zipformer-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  run_gigaspeech_2023_10_17_zipformer:
+    if: github.event.label.name == 'zipformer' ||github.event.label.name == 'ready' || github.event.label.name == 'run-decode' || github.event_name == 'push' || github.event_name == 'schedule' || github.event_name == 'workflow_dispatch'
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        python-version: [3.8]
+
+      fail-fast: false
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Setup Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pip'
+          cache-dependency-path: '**/requirements-ci.txt'
+
+      - name: Install Python dependencies
+        run: |
+          grep -v '^#' ./requirements-ci.txt  | xargs -n 1 -L 1 pip install
+          pip uninstall -y protobuf
+          pip install --no-binary protobuf protobuf==3.20.*
+
+      - name: Cache kaldifeat
+        id: my-cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/tmp/kaldifeat
+          key: cache-tmp-${{ matrix.python-version }}-2023-05-22
+
+      - name: Install kaldifeat
+        if: steps.my-cache.outputs.cache-hit != 'true'
+        shell: bash
+        run: |
+          .github/scripts/install-kaldifeat.sh
+
+      - name: Inference with pre-trained model
+        shell: bash
+        env:
+          GITHUB_EVENT_NAME: ${{ github.event_name }}
+          GITHUB_EVENT_LABEL_NAME: ${{ github.event.label.name }}
+          HF_TOKEN: ${{ secrets.HF_TOKEN }}
+        run: |
+          sudo apt-get -qq install git-lfs tree
+          export PYTHONPATH=$PWD:$PYTHONPATH
+          export PYTHONPATH=~/tmp/kaldifeat/kaldifeat/python:$PYTHONPATH
+          export PYTHONPATH=~/tmp/kaldifeat/build/lib:$PYTHONPATH
+
+          .github/scripts/run-gigaspeech-zipformer-2023-10-17.sh
+
+      - name: upload model to https://github.com/k2-fsa/sherpa-onnx
+        uses: svenstaro/upload-release-action@v2
+        with:
+          file_glob: true
+          file: ./*.tar.bz2
+          overwrite: true
+          repo_name: k2-fsa/sherpa-onnx
+          repo_token: ${{ secrets.UPLOAD_GH_SHERPA_ONNX_TOKEN }}
+          tag: asr-models
+
+      - name: Display decoding results for gigaspeech zipformer
+        if: github.event_name == 'schedule' || github.event.label.name == 'run-decode' || github.event_name == 'workflow_dispatch'
+        shell: bash
+        run: |
+          cd egs/gigaspeech/ASR/
+          tree ./zipformer/exp
+
+          cd zipformer
+          echo "results for zipformer"
+          echo "===greedy search==="
+          find exp/greedy_search -name "log-*" -exec grep -n --color "best for test-clean" {} + | sort -n -k2
+          find exp/greedy_search -name "log-*" -exec grep -n --color "best for test-other" {} + | sort -n -k2
+
+          # echo "===fast_beam_search==="
+          # find exp/fast_beam_search -name "log-*" -exec grep -n --color "best for test-clean" {} + | sort -n -k2
+          # find exp/fast_beam_search -name "log-*" -exec grep -n --color "best for test-other" {} + | sort -n -k2
+          #
+          # echo "===modified beam search==="
+          # find exp/modified_beam_search -name "log-*" -exec grep -n --color "best for test-clean" {} + | sort -n -k2
+          # find exp/modified_beam_search -name "log-*" -exec grep -n --color "best for test-other" {} + | sort -n -k2
+
+      - name: Upload decoding results for gigaspeech zipformer
+        uses: actions/upload-artifact@v4
+        if: github.event_name == 'schedule' || github.event.label.name == 'run-decode' || github.event_name == 'workflow_dispatch'
+        with:
+          name: torch-${{ matrix.torch }}-python-${{ matrix.python-version }}-ubuntu-latest-cpu-zipformer-2022-11-11
+          path: egs/gigaspeech/ASR/zipformer/exp/

.github/workflows/run-librispeech-lstm-transducer-stateless2-2022-09-03.yml

@@ -0,0 +1,165 @@
+name: run-librispeech-lstm-transducer2-2022-09-03
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    types: [labeled]
+
+  schedule:
+    # minute (0-59)
+    # hour (0-23)
+    # day of the month (1-31)
+    # month (1-12)
+    # day of the week (0-6)
+    # nightly build at 15:50 UTC time every day
+    - cron: "50 15 * * *"
+
+  workflow_dispatch:
+
+concurrency:
+  group: run_librispeech_lstm_transducer_stateless2_2022_09_03-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  run_librispeech_lstm_transducer_stateless2_2022_09_03:
+    if: github.event.label.name == 'ready' || github.event.label.name == 'LODR' || github.event.label.name == 'shallow-fusion' || github.event_name == 'push' || github.event_name == 'schedule' || github.event_name == 'workflow_dispatch'
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        python-version: [3.8]
+
+      fail-fast: false
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Setup Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pip'
+          cache-dependency-path: '**/requirements-ci.txt'
+
+      - name: Install Python dependencies
+        run: |
+          grep -v '^#' ./requirements-ci.txt  | xargs -n 1 -L 1 pip install
+          pip uninstall -y protobuf
+          pip install --no-binary protobuf protobuf==3.20.*
+
+      - name: Cache kaldifeat
+        id: my-cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/tmp/kaldifeat
+          key: cache-tmp-${{ matrix.python-version }}-2023-05-22
+
+      - name: Install kaldifeat
+        if: steps.my-cache.outputs.cache-hit != 'true'
+        shell: bash
+        run: |
+          .github/scripts/install-kaldifeat.sh
+
+      - name: Cache LibriSpeech test-clean and test-other datasets
+        id: libri-test-clean-and-test-other-data
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/tmp/download
+          key: cache-libri-test-clean-and-test-other
+
+      - name: Download LibriSpeech test-clean and test-other
+        if: steps.libri-test-clean-and-test-other-data.outputs.cache-hit != 'true'
+        shell: bash
+        run: |
+          .github/scripts/download-librispeech-test-clean-and-test-other-dataset.sh
+
+      - name: Prepare manifests for LibriSpeech test-clean and test-other
+        shell: bash
+        run: |
+          .github/scripts/prepare-librispeech-test-clean-and-test-other-manifests.sh
+
+      - name: Cache LibriSpeech test-clean and test-other fbank features
+        id: libri-test-clean-and-test-other-fbank
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/tmp/fbank-libri
+          key: cache-libri-fbank-test-clean-and-test-other-v2
+
+      - name: Compute fbank for LibriSpeech test-clean and test-other
+        if: steps.libri-test-clean-and-test-other-fbank.outputs.cache-hit != 'true'
+        shell: bash
+        run: |
+          .github/scripts/compute-fbank-librispeech-test-clean-and-test-other.sh
+
+      - name: Inference with pre-trained model
+        shell: bash
+        env:
+          GITHUB_EVENT_NAME: ${{ github.event_name }}
+          GITHUB_EVENT_LABEL_NAME: ${{ github.event.label.name }}
+        run: |
+          mkdir -p egs/librispeech/ASR/data
+          ln -sfv ~/tmp/fbank-libri egs/librispeech/ASR/data/fbank
+          ls -lh egs/librispeech/ASR/data/*
+
+          sudo apt-get -qq install git-lfs tree
+          export PYTHONPATH=$PWD:$PYTHONPATH
+          export PYTHONPATH=~/tmp/kaldifeat/kaldifeat/python:$PYTHONPATH
+          export PYTHONPATH=~/tmp/kaldifeat/build/lib:$PYTHONPATH
+
+          .github/scripts/run-librispeech-lstm-transducer-stateless2-2022-09-03.sh
+
+      - name: Display decoding results for lstm_transducer_stateless2
+        if: github.event_name == 'schedule' || github.event_name == 'workflow_dispatch'
+        shell: bash
+        run: |
+          cd egs/librispeech/ASR
+          tree lstm_transducer_stateless2/exp
+          cd lstm_transducer_stateless2/exp
+          echo "===greedy search==="
+          find greedy_search -name "log-*" -exec grep -n --color "best for test-clean" {} + | sort -n -k2
+          find greedy_search -name "log-*" -exec grep -n --color "best for test-other" {} + | sort -n -k2
+
+          echo "===fast_beam_search==="
+          find fast_beam_search -name "log-*" -exec grep -n --color "best for test-clean" {} + | sort -n -k2
+          find fast_beam_search -name "log-*" -exec grep -n --color "best for test-other" {} + | sort -n -k2
+
+          # echo "===modified beam search==="
+          # find modified_beam_search -name "log-*" -exec grep -n --color "best for test-clean" {} + | sort -n -k2
+          # find modified_beam_search -name "log-*" -exec grep -n --color "best for test-other" {} + | sort -n -k2
+
+      - name: Display decoding results for lstm_transducer_stateless2
+        if: github.event.label.name == 'shallow-fusion'
+        shell: bash
+        run: |
+          cd egs/librispeech/ASR
+          tree lstm_transducer_stateless2/exp
+          cd lstm_transducer_stateless2/exp
+          echo "===modified_beam_search_lm_shallow_fusion==="
+          echo "===Using RNNLM==="
+          find modified_beam_search_lm_shallow_fusion  -name "log-*rnn*" -exec grep -n --color "best for test-clean" {} + | sort -n -k2
+          find modified_beam_search_lm_shallow_fusion  -name "log-*rnn*" -exec grep -n --color "best for test-other" {} + | sort -n -k2
+
+      - name: Display decoding results for lstm_transducer_stateless2
+        if: github.event.label.name == 'LODR'
+        shell: bash
+        run: |
+          cd egs/librispeech/ASR
+          tree lstm_transducer_stateless2/exp
+          cd lstm_transducer_stateless2/exp
+          echo "===modified_beam_search_rnnlm_LODR==="
+          find modified_beam_search_LODR  -name "log-*" -exec grep -n --color "best for test-clean" {} + | sort -n -k2
+          find modified_beam_search_LODR  -name "log-*" -exec grep -n --color "best for test-other" {} + | sort -n -k2
+
+      - name: Upload decoding results for lstm_transducer_stateless2
+        uses: actions/upload-artifact@v4
+        if: github.event_name == 'schedule' || github.event.label.name == 'shallow-fusion' || github.event.label.name == 'LODR' || github.event_name == 'workflow_dispatch'
+        with:
+          name: torch-${{ matrix.torch }}-python-${{ matrix.python-version }}-ubuntu-latest-cpu-lstm_transducer_stateless2-2022-09-03
+          path: egs/librispeech/ASR/lstm_transducer_stateless2/exp/

.github/workflows/run-multi-corpora-zipformer.yml

@@ -0,0 +1,86 @@
+# Copyright      2023   Xiaomi Corp.    (author: Zengrui Jin)
+
+# See ../../LICENSE for clarification regarding multiple authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: run-multi-corpora-zipformer
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    types: [labeled]
+
+  workflow_dispatch:
+
+concurrency:
+  group: run_multi-corpora_zipformer-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  run_multi-corpora_zipformer:
+    if: github.event.label.name == 'onnx' || github.event.label.name == 'ready' || github.event_name == 'push' || github.event.label.name == 'multi-zh_hans' || github.event.label.name == 'zipformer' || github.event.label.name == 'multi-corpora'
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        python-version: [3.8]
+
+      fail-fast: false
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Setup Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pip'
+          cache-dependency-path: '**/requirements-ci.txt'
+
+      - name: Install Python dependencies
+        run: |
+          grep -v '^#' ./requirements-ci.txt  | xargs -n 1 -L 1 pip install
+          pip uninstall -y protobuf
+          pip install --no-binary protobuf protobuf==3.20.*
+
+      - name: Cache kaldifeat
+        id: my-cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/tmp/kaldifeat
+          key: cache-tmp-${{ matrix.python-version }}-2023-05-22
+
+      - name: Install kaldifeat
+        if: steps.my-cache.outputs.cache-hit != 'true'
+        shell: bash
+        run: |
+          .github/scripts/install-kaldifeat.sh
+
+      - name: Inference with pre-trained model
+        shell: bash
+        env:
+          GITHUB_EVENT_NAME: ${{ github.event_name }}
+          GITHUB_EVENT_LABEL_NAME: ${{ github.event.label.name }}
+        run: |
+          sudo apt-get -qq install git-lfs tree
+          export PYTHONPATH=$PWD:$PYTHONPATH
+          export PYTHONPATH=~/tmp/kaldifeat/kaldifeat/python:$PYTHONPATH
+          export PYTHONPATH=~/tmp/kaldifeat/build/lib:$PYTHONPATH
+
+          .github/scripts/run-multi-corpora-zipformer.sh

.github/workflows/run-ptb-rnn-lm.yml

@@ -0,0 +1,73 @@
+name: run-ptb-rnn-lm-training
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    types: [labeled]
+
+  schedule:
+    # minute (0-59)
+    # hour (0-23)
+    # day of the month (1-31)
+    # month (1-12)
+    # day of the week (0-6)
+    # nightly build at 15:50 UTC time every day
+    - cron: "50 15 * * *"
+
+  workflow_dispatch:
+
+concurrency:
+  group: run_ptb_rnn_lm_training-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  run_ptb_rnn_lm_training:
+    if: github.event.label.name == 'ready' || github.event.label.name == 'rnnlm' || github.event_name == 'push' || github.event_name == 'schedule'
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        python-version: ["3.8"]
+
+      fail-fast: false
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Setup Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pip'
+          cache-dependency-path: '**/requirements-ci.txt'
+
+      - name: Install Python dependencies
+        run: |
+          grep -v '^#' ./requirements-ci.txt  | grep -v kaldifst | xargs -n 1 -L 1 pip install
+          pip uninstall -y protobuf
+          pip install --no-binary protobuf protobuf==3.20.*
+
+      - name: Prepare data
+        shell: bash
+        run: |
+          export PYTHONPATH=$PWD:$PYTHONPATH
+          cd egs/ptb/LM
+          ./prepare.sh
+
+      - name: Run training
+        shell: bash
+        run: |
+          export PYTHONPATH=$PWD:$PYTHONPATH
+          cd egs/ptb/LM
+          ./train-rnn-lm.sh --world-size 1 --num-epochs 5 --use-epoch 4 --use-avg 2
+
+      - name: Upload pretrained models
+        uses: actions/upload-artifact@v4
+        if: github.event.label.name == 'ready' || github.event.label.name == 'rnnlm' || github.event_name == 'push' || github.event_name == 'schedule'
+        with:
+          name: python-${{ matrix.python-version }}-ubuntu-rnn-lm-ptb
+          path: egs/ptb/LM/my-rnnlm-exp/

.github/workflows/run-swbd-conformer-ctc.yml

@@ -0,0 +1,86 @@
+# Copyright      2023   Xiaomi Corp.    (author: Zengrui Jin)
+
+# See ../../LICENSE for clarification regarding multiple authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: run-swbd-conformer_ctc
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    types: [labeled]
+
+  workflow_dispatch:
+
+concurrency:
+  group: run-swbd-conformer_ctc-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  run-swbd-conformer_ctc:
+    if: github.event.label.name == 'onnx' || github.event.label.name == 'ready' || github.event_name == 'push' || github.event.label.name == 'swbd'
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        python-version: [3.8]
+
+      fail-fast: false
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Setup Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pip'
+          cache-dependency-path: '**/requirements-ci.txt'
+
+      - name: Install Python dependencies
+        run: |
+          grep -v '^#' ./requirements-ci.txt  | xargs -n 1 -L 1 pip install
+          pip uninstall -y protobuf
+          pip install --no-binary protobuf protobuf==3.20.*
+
+      - name: Cache kaldifeat
+        id: my-cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/tmp/kaldifeat
+          key: cache-tmp-${{ matrix.python-version }}-2023-05-22
+
+      - name: Install kaldifeat
+        if: steps.my-cache.outputs.cache-hit != 'true'
+        shell: bash
+        run: |
+          .github/scripts/install-kaldifeat.sh
+
+      - name: Inference with pre-trained model
+        shell: bash
+        env:
+          GITHUB_EVENT_NAME: ${{ github.event_name }}
+          GITHUB_EVENT_LABEL_NAME: ${{ github.event.label.name }}
+        run: |
+          sudo apt-get -qq install git-lfs tree
+          export PYTHONPATH=$PWD:$PYTHONPATH
+          export PYTHONPATH=~/tmp/kaldifeat/kaldifeat/python:$PYTHONPATH
+          export PYTHONPATH=~/tmp/kaldifeat/build/lib:$PYTHONPATH
+
+          .github/scripts/run-swbd-conformer-ctc-2023-08-26.sh

.github/workflows/run-wenetspeech-pruned-transducer-stateless2.yml

@@ -0,0 +1,86 @@
+# Copyright      2021  Fangjun Kuang (csukuangfj@gmail.com)
+
+# See ../../LICENSE for clarification regarding multiple authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: run-wenetspeech-pruned-transducer-stateless2
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    types: [labeled]
+
+  workflow_dispatch:
+
+concurrency:
+  group: run_wenetspeech_pruned_transducer_stateless2-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  run_wenetspeech_pruned_transducer_stateless2:
+    if: github.event.label.name == 'onnx' || github.event.label.name == 'ready' || github.event_name == 'push' || github.event.label.name == 'wenetspeech'
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        python-version: [3.8]
+
+      fail-fast: false
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Setup Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pip'
+          cache-dependency-path: '**/requirements-ci.txt'
+
+      - name: Install Python dependencies
+        run: |
+          grep -v '^#' ./requirements-ci.txt  | xargs -n 1 -L 1 pip install
+          pip uninstall -y protobuf
+          pip install --no-binary protobuf protobuf==3.20.*
+
+      - name: Cache kaldifeat
+        id: my-cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/tmp/kaldifeat
+          key: cache-tmp-${{ matrix.python-version }}-2023-05-22
+
+      - name: Install kaldifeat
+        if: steps.my-cache.outputs.cache-hit != 'true'
+        shell: bash
+        run: |
+          .github/scripts/install-kaldifeat.sh
+
+      - name: Inference with pre-trained model
+        shell: bash
+        env:
+          GITHUB_EVENT_NAME: ${{ github.event_name }}
+          GITHUB_EVENT_LABEL_NAME: ${{ github.event.label.name }}
+        run: |
+          sudo apt-get -qq install git-lfs tree
+          export PYTHONPATH=$PWD:$PYTHONPATH
+          export PYTHONPATH=~/tmp/kaldifeat/kaldifeat/python:$PYTHONPATH
+          export PYTHONPATH=~/tmp/kaldifeat/build/lib:$PYTHONPATH
+
+          .github/scripts/run-wenetspeech-pruned-transducer-stateless2.sh