Install mkl for PyTorch and libjpeg/libpng for TorchVision

.ci/docker/common/install_base.sh

@@ -26,6 +26,11 @@ install_ubuntu() {
     libssl-dev \
     zip
 
+  # These libraries are needed by TorchVision
+  apt-get install -y --no-install-recommends \
+    libjpeg-dev \
+    libpng-dev
+
   # Cleanup package manager
   apt-get autoclean && apt-get clean
   rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

.ci/docker/common/install_conda.sh

@@ -31,8 +31,16 @@ install_miniconda() {
 
 install_python() {
   pushd /opt/conda
-  # Install the correct Python version
+  # Install the selected Python version for CI jobs
   as_ci_user conda create -n "py_${PYTHON_VERSION}" -y --file /opt/conda/conda-env-ci.txt python="${PYTHON_VERSION}"
+
+  # From https://github.com/pytorch/pytorch/blob/main/.ci/docker/common/install_conda.sh
+  if [[ $(uname -m) == "aarch64" ]]; then
+    conda_install "openblas==0.3.28=*openmp*"
+  else
+    conda_install mkl=2022.1.0 mkl-include=2022.1.0
+  fi
+
   popd
 }
 
@@ -53,7 +61,7 @@ fix_conda_ubuntu_libstdcxx() {
   # PyTorch sev: https://github.com/pytorch/pytorch/issues/105248
   # Ref: https://github.com/pytorch/pytorch/blob/main/.ci/docker/common/install_conda.sh
   if grep -e "2[02].04." /etc/issue >/dev/null; then
-    rm "/opt/conda/envs/py_${PYTHON_VERSION}/lib/libstdc++.so.6"
+    rm /opt/conda/envs/py_${PYTHON_VERSION}/lib/libstdc++.so*
   fi
 }
 

.github/workflows/lint.yml

@@ -31,7 +31,7 @@ jobs:
         # The generic Linux job chooses to use base env, not the one setup by the image
         CONDA_ENV=$(conda env list --json | jq -r ".envs | .[-1]")
         conda activate "${CONDA_ENV}"
-        
+
         # For mypy linting, we need to first install executorch first so that
         # it builds the python package information.
         BUILD_TOOL="cmake"
@@ -74,6 +74,7 @@ jobs:
       docker-image: executorch-ubuntu-22.04-linter
       fetch-depth: 0
       ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+      timeout: 90
       script: |
         FILES_NEEDS_FORMAT=$(/opt/google-java-format -n extension/android/src/main/java/org/pytorch/executorch/*.java \
           examples/demo-apps/android/ExecuTorchDemo/app/src/main/java/com/example/executorchdemo/*.java \