diff --git a/.github/scripts/aishell/ASR/run.sh b/.github/scripts/aishell/ASR/run.sh
new file mode 100755
index 0000000000..4d912fa762
--- /dev/null
+++ b/.github/scripts/aishell/ASR/run.sh
@@ -0,0 +1,274 @@
+#!/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
+}
+
+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
+
+ls -lh
diff --git a/.github/scripts/docker/Dockerfile b/.github/scripts/docker/Dockerfile
index f75d748540..f6a088af15 100644
--- a/.github/scripts/docker/Dockerfile
+++ b/.github/scripts/docker/Dockerfile
@@ -16,6 +16,7 @@ RUN apt-get update -y && \
     git-lfs \
     graphviz \
     less \
+    tree \
     vim \
     && \
     apt-get clean && \
diff --git a/.github/scripts/docker/generate_build_matrix.py b/.github/scripts/docker/generate_build_matrix.py
index 4e494d8107..bdde97647c 100755
--- a/.github/scripts/docker/generate_build_matrix.py
+++ b/.github/scripts/docker/generate_build_matrix.py
@@ -45,7 +45,7 @@ def get_torchaudio_version(torch_version):
 def get_matrix():
     k2_version = "1.24.4.dev20231220"
     kaldifeat_version = "1.25.3.dev20231221"
-    version = "1.1"
+    version = "1.2"
     python_version = ["3.8", "3.9", "3.10", "3.11"]
     torch_version = ["1.13.0", "1.13.1", "2.0.0", "2.0.1", "2.1.0", "2.1.1", "2.1.2"]
 
diff --git a/.github/scripts/run-aishell-pruned-transducer-stateless3-2022-06-20.sh b/.github/scripts/run-aishell-pruned-transducer-stateless3-2022-06-20.sh
deleted file mode 100755
index c3640cfdea..0000000000
--- a/.github/scripts/run-aishell-pruned-transducer-stateless3-2022-06-20.sh
+++ /dev/null
@@ -1,87 +0,0 @@
-#!/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/aishell/ASR
-
-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 .
-
-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
-
-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 \
-    $repo/test_wavs/BAC009S0764W0123.wav
-done
-
-for method in modified_beam_search beam_search fast_beam_search; do
-  log "$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 $max_duration \
-      --exp-dir pruned_transducer_stateless3/exp
-  done
-
-  rm pruned_transducer_stateless3/exp/*.pt
-fi
diff --git a/.github/scripts/run-aishell-zipformer-2023-10-24.sh b/.github/scripts/run-aishell-zipformer-2023-10-24.sh
deleted file mode 100755
index 865e29799c..0000000000
--- a/.github/scripts/run-aishell-zipformer-2023-10-24.sh
+++ /dev/null
@@ -1,103 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-
-log() {
-  # This function is from espnet
-  local fname=${BASH_SOURCE[1]##*/}
-  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
-}
-
-cd egs/aishell/ASR
-
-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 .
-
-log "======================="
-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
-
-log "======================="
-log "CI testing medium model"
-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
-
-
-log "======================="
-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 \
-    $repo/test_wavs/BAC009S0764W0123.wav
-done
-
diff --git a/.github/scripts/run-pre-trained-transducer-stateless-modified-2-aishell.sh b/.github/scripts/run-pre-trained-transducer-stateless-modified-2-aishell.sh
deleted file mode 100755
index 0644d9be09..0000000000
--- a/.github/scripts/run-pre-trained-transducer-stateless-modified-2-aishell.sh
+++ /dev/null
@@ -1,48 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-
-log() {
-  # This function is from espnet
-  local fname=${BASH_SOURCE[1]##*/}
-  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
-}
-
-cd egs/aishell/ASR
-
-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 \
-    $repo/test_wavs/BAC009S0764W0123.wav
-done
diff --git a/.github/scripts/run-pre-trained-transducer-stateless-modified-aishell.sh b/.github/scripts/run-pre-trained-transducer-stateless-modified-aishell.sh
deleted file mode 100755
index 79fb64311d..0000000000
--- a/.github/scripts/run-pre-trained-transducer-stateless-modified-aishell.sh
+++ /dev/null
@@ -1,48 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-
-log() {
-  # This function is from espnet
-  local fname=${BASH_SOURCE[1]##*/}
-  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
-}
-
-cd egs/aishell/ASR
-
-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 \
-    $repo/test_wavs/BAC009S0764W0123.wav
-done
diff --git a/.github/workflows/aishell.yml b/.github/workflows/aishell.yml
new file mode 100644
index 0000000000..136e117bd2
--- /dev/null
+++ b/.github/workflows/aishell.yml
@@ -0,0 +1,81 @@
+name: aishell
+
+on:
+  push:
+    branches:
+      - master
+
+  pull_request:
+    branches:
+      - master
+
+  workflow_dispatch:
+
+  schedule:
+    # minute (0-59)
+    # hour (0-23)
+    # day of the month (1-31)
+    # month (1-12)
+    # day of the week (0-6)
+    # nightly build at 15:50 UTC time every day
+    - cron: "50 15 * * *"
+
+concurrency:
+  group: aishell-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  generate_build_matrix:
+    if: (github.repository_owner == 'csukuangfj' || github.repository_owner == 'k2-fsa') && (github.event.label.name == 'ready' || github.event.label.name == 'run-decode' || github.event_name == 'push' || github.event_name == 'aishell' || github.event_name == 'schedule')
+
+    # 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::${MATRIX}"
+  aishell:
+    needs: generate_build_matrix
+    name: py${{ 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
diff --git a/.github/workflows/run-aishell-2022-06-20.yml b/.github/workflows/run-aishell-2022-06-20.yml
deleted file mode 100644
index 53fcb2c038..0000000000
--- a/.github/workflows/run-aishell-2022-06-20.yml
+++ /dev/null
@@ -1,123 +0,0 @@
-# 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-aishell-2022-06-20
-# pruned RNN-T + reworked model with random combiner
-# https://huggingface.co/csukuangfj/icefall-aishell-pruned-transducer-stateless3-2022-06-20
-
-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 * * *"
-
-concurrency:
-  group: run_aishell_2022_06_20-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  run_aishell_2022_06_20:
-    if: 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: 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:$PYTHONPATH
-
-          .github/scripts/run-aishell-pruned-transducer-stateless3-2022-06-20.sh
-
-      - name: Display decoding results for aishell pruned_transducer_stateless3
-        if: github.event_name == 'schedule' || github.event.label.name == 'run-decode'
-        shell: bash
-        run: |
-          cd egs/aishell/ASR/
-          tree ./pruned_transducer_stateless3/exp
-
-          cd pruned_transducer_stateless3
-          echo "results for pruned_transducer_stateless3"
-          echo "===greedy search==="
-          find exp/greedy_search -name "log-*" -exec grep -n --color "best for test" {} + | sort -n -k2
-          find exp/greedy_search -name "log-*" -exec grep -n --color "best for dev" {} + | sort -n -k2
-
-          echo "===fast_beam_search==="
-          find exp/fast_beam_search -name "log-*" -exec grep -n --color "best for test" {} + | sort -n -k2
-          find exp/fast_beam_search -name "log-*" -exec grep -n --color "best for dev" {} + | sort -n -k2
-
-          echo "===modified beam search==="
-          find exp/modified_beam_search -name "log-*" -exec grep -n --color "best for test" {} + | sort -n -k2
-          find exp/modified_beam_search -name "log-*" -exec grep -n --color "best for dev" {} + | sort -n -k2
-
-      - name: Upload decoding results for aishell pruned_transducer_stateless3
-        uses: actions/upload-artifact@v2
-        if: github.event_name == 'schedule' || github.event.label.name == 'run-decode'
-        with:
-          name: aishell-torch-${{ matrix.torch }}-python-${{ matrix.python-version }}-ubuntu-latest-cpu-pruned_transducer_stateless3-2022-06-20
-          path: egs/aishell/ASR/pruned_transducer_stateless3/exp/
diff --git a/.github/workflows/run-aishell-zipformer-2023-10-24.yml b/.github/workflows/run-aishell-zipformer-2023-10-24.yml
deleted file mode 100644
index f2fb44a5f2..0000000000
--- a/.github/workflows/run-aishell-zipformer-2023-10-24.yml
+++ /dev/null
@@ -1,95 +0,0 @@
-# Copyright      2023  Zengrui Jin (Xiaomi Corp.)
-
-# See ../../LICENSE for clarification regarding multiple authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-name: run-aishell-zipformer-2023-10-24
-
-on:
-  push:
-    branches:
-      - master
-  pull_request:
-    types: [labeled]
-
-  schedule:
-    # minute (0-59)
-    # hour (0-23)
-    # day of the month (1-31)
-    # month (1-12)
-    # day of the week (0-6)
-    # nightly build at 15:50 UTC time every day
-    - cron: "50 15 * * *"
-
-concurrency:
-  group: run_aishell_zipformer_2023_10_24-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  run_aishell_zipformer_2023_10_24:
-    if: github.event.label.name == 'ready' || github.event.label.name == 'zipformer' || 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: 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:$PYTHONPATH
-
-          .github/scripts/run-aishell-zipformer-2023-10-24.sh
-
-      
\ No newline at end of file
diff --git a/.github/workflows/run-pretrained-transducer-stateless-modified-2-aishell.yml b/.github/workflows/run-pretrained-transducer-stateless-modified-2-aishell.yml
deleted file mode 100644
index ce6d6f92d2..0000000000
--- a/.github/workflows/run-pretrained-transducer-stateless-modified-2-aishell.yml
+++ /dev/null
@@ -1,80 +0,0 @@
-# Copyright      2021  Fangjun Kuang (csukuangfj@gmail.com)
-
-# See ../../LICENSE for clarification regarding multiple authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-name: run-pre-trained-trandsucer-stateless-modified-2-aishell
-
-on:
-  push:
-    branches:
-      - master
-  pull_request:
-    types: [labeled]
-
-concurrency:
-  group: run_pre_trained_transducer_stateless_modified_2_aishell-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  run_pre_trained_transducer_stateless_modified_2_aishell:
-    if: github.event.label.name == 'ready' || github.event_name == 'push'
-    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
-        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-pre-trained-transducer-stateless-modified-2-aishell.sh
diff --git a/.github/workflows/run-pretrained-transducer-stateless-modified-aishell.yml b/.github/workflows/run-pretrained-transducer-stateless-modified-aishell.yml
deleted file mode 100644
index f0cebd94ae..0000000000
--- a/.github/workflows/run-pretrained-transducer-stateless-modified-aishell.yml
+++ /dev/null
@@ -1,80 +0,0 @@
-# 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-pre-trained-trandsucer-stateless-modified-aishell
-
-on:
-  push:
-    branches:
-      - master
-  pull_request:
-    types: [labeled]
-
-concurrency:
-  group: run_pre_trained_transducer_stateless_modified_aishell-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  run_pre_trained_transducer_stateless_modified_aishell:
-    if: github.event.label.name == 'ready' || github.event_name == 'push'
-    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
-        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-pre-trained-transducer-stateless-modified-aishell.sh
diff --git a/.github/workflows/run-yesno-recipe.yml b/.github/workflows/yesno.yml
similarity index 69%
rename from .github/workflows/run-yesno-recipe.yml
rename to .github/workflows/yesno.yml
index a99811815c..182300dfa1 100644
--- a/.github/workflows/run-yesno-recipe.yml
+++ b/.github/workflows/yesno.yml
@@ -1,26 +1,9 @@
-# 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-yesno-recipe
+name: yesno
 
 on:
   push:
     branches:
       - master
-      - refactor-ci
 
   pull_request:
     branches:
@@ -29,7 +12,7 @@ on:
   workflow_dispatch:
 
 concurrency:
-  group: run-yesno-recipe-${{ github.ref }}
+  group: yesno-${{ github.ref }}
   cancel-in-progress: true
 
 jobs:
@@ -50,7 +33,7 @@ jobs:
           python ./.github/scripts/docker/generate_build_matrix.py
           MATRIX=$(python ./.github/scripts/docker/generate_build_matrix.py)
           echo "::set-output name=matrix::${MATRIX}"
-  run-yesno-recipe:
+  yesno:
     needs: generate_build_matrix
     name: py${{ matrix.python-version }} torch${{ matrix.torch-version }} v${{ matrix.version }}
     runs-on: ubuntu-latest