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Improve batch performance and stats reporting #7813

Improve batch performance and stats reporting

Improve batch performance and stats reporting #7813

Workflow file for this run

name: ci-pipeline
on:
push:
pull_request:
branches:
- staging
- main
jobs:
nix:
name: Build and check (${{ matrix.system }})
runs-on: ${{ matrix.runner }}
strategy:
fail-fast: false
matrix:
include:
- runner: macos-26
system: aarch64-darwin
- runner: ubuntu-latest
system: x86_64-linux
- runner: ubuntu-24.04-arm
system: aarch64-linux
steps:
- name: Checkout repository
uses: actions/checkout@v4
with:
lfs: false
- uses: cachix/install-nix-action@v31
with:
nix_path: nixpkgs=channel:nixos-unstable
- uses: cachix/cachix-action@v14
name: Configure Cachix
with:
name: exo
authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
- name: Build Metal packages (macOS only)
if: runner.os == 'macOS'
run: |
# Try to build metal-toolchain first (may succeed via cachix cache hit)
if nix build .#metal-toolchain 2>/dev/null; then
echo "metal-toolchain built successfully (likely cache hit)"
else
echo "metal-toolchain build failed, extracting from Xcode..."
NAR_HASH="sha256-ayR5mXN4sZAddwKEG2OszGRF93k9ZFc7H0yi2xbylQw="
NAR_NAME="metal-toolchain-17C48.nar"
# Use RUNNER_TEMP to avoid /tmp symlink issues on macOS
WORK_DIR="${RUNNER_TEMP}/metal-work"
mkdir -p "$WORK_DIR"
# Download the Metal toolchain component
xcodebuild -downloadComponent MetalToolchain
# Find and mount the DMG
DMG_PATH=$(find /System/Library/AssetsV2/com_apple_MobileAsset_MetalToolchain -name '*.dmg' 2>/dev/null | head -1)
if [ -z "$DMG_PATH" ]; then
echo "Error: Could not find Metal toolchain DMG"
exit 1
fi
echo "Found DMG at: $DMG_PATH"
hdiutil attach "$DMG_PATH" -mountpoint "${WORK_DIR}/metal-dmg"
# Copy the toolchain
cp -R "${WORK_DIR}/metal-dmg/Metal.xctoolchain" "${WORK_DIR}/metal-export"
hdiutil detach "${WORK_DIR}/metal-dmg"
# Create NAR and add to store
nix nar pack "${WORK_DIR}/metal-export" > "${WORK_DIR}/${NAR_NAME}"
STORE_PATH=$(nix store add --mode flat "${WORK_DIR}/${NAR_NAME}")
echo "Added NAR to store: $STORE_PATH"
# Verify the hash matches
ACTUAL_HASH=$(nix hash file "${WORK_DIR}/${NAR_NAME}")
if [ "$ACTUAL_HASH" != "$NAR_HASH" ]; then
echo "Warning: NAR hash mismatch!"
echo "Expected: $NAR_HASH"
echo "Actual: $ACTUAL_HASH"
echo "The metal-toolchain.nix may need updating"
fi
# Clean up
rm -rf "$WORK_DIR"
# Retry the build now that NAR is in store
nix build .#metal-toolchain
fi
# Build mlx (depends on metal-toolchain)
nix build .#mlx
- name: Build all Nix outputs
run: |
nix flake show --json | jq -r '
[
(.packages."${{ matrix.system }}" // {} | keys[] | ".#packages.${{ matrix.system }}.\(.)"),
(.devShells."${{ matrix.system }}" // {} | keys[] | ".#devShells.${{ matrix.system }}.\(.)")
] | .[]
' | xargs nix build
- name: Run nix flake check
run: nix flake check
- name: Run pytest (macOS only)
if: runner.os == 'macOS'
run: |
# Build the test environment (requires relaxed sandbox for uv2nix on macOS)
TEST_ENV=$(nix build '.#exo-test-env' --option sandbox relaxed --print-out-paths)
# Run pytest outside sandbox (needs GPU access for MLX)
export HOME="$RUNNER_TEMP"
export EXO_TESTS=1
export EXO_DASHBOARD_DIR="$PWD/dashboard/"
export EXO_RESOURCES_DIR="$PWD/resources"
$TEST_ENV/bin/python -m pytest src -m "not slow" --import-mode=importlib