Use Xcode_15.3 on arm64 CI jobs and switch ExecuTorch back to "viable/strict" (#619)

* clean up et install

* switch to 15.3

* changes

* fixes

* set version in with clause

* setup xcode block

* remove ubunut runner-et temporarily

* conditionally enable xcode setup on macOS

Author: metascroy

.github/workflows/pull.yml

@@ -435,6 +435,11 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: 3.10.11
+      - name: Setup Xcode
+        if: runner.os == 'macOS'
+        uses: maxim-lobanov/setup-xcode@v1
+        with:
+          xcode-version: '15.3'
       - name: Print machine info
         run: |
           uname -a
@@ -864,7 +869,7 @@ jobs:
   runner-et:
     strategy:
       matrix:
-        runner: [macos-14-xlarge, 8-core-ubuntu]
+        runner: [16-core-ubuntu, macos-14-xlarge]
     runs-on: ${{matrix.runner}}
     steps:
       - name: Checkout repo
@@ -875,6 +880,11 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: 3.10.11
+      - name: Setup Xcode
+        if: runner.os == 'macOS'
+        uses: maxim-lobanov/setup-xcode@v1
+        with:
+          xcode-version: '15.3'
       - name: Print machine info
         run: |
           uname -a

requirements.txt

@@ -1,9 +1,7 @@
 # Requires python >=3.10
 
 # PyTorch ecosystem
-#torch==2.4.0.dev20240422
 torchao
-# executorch==0.1.2
 
 # Hugging Face download
 huggingface_hub

scripts/install_utils.sh

@@ -11,7 +11,7 @@ install_pip_dependencies() {
   echo "Intalling common pip packages"
   pip3 install wheel "cmake>=3.19" ninja zstd
   pushd ${TORCHCHAT_ROOT}
-  pip3 install -r ./requirements.txt --extra-index-url https://download.pytorch.org/whl/nightly/cu121
+  pip3 install -r ./requirements.txt
   popd
 }
 
@@ -27,7 +27,7 @@ clone_executorch() {
   pushd ${TORCHCHAT_ROOT}/${ET_BUILD_DIR}/src
   git clone https://github.com/pytorch/executorch.git
   cd executorch
-  git checkout f0f4db877dd649c4e8ce951a4ccc3827841e9ad3
+  git checkout "viable/strict"
   echo "Install executorch: submodule update"
   git submodule sync
   git submodule update --init