gc: findHead scan optimization #237
Workflow file for this run
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| name: Binary size difference | |
| on: | |
| pull_request: | |
| concurrency: | |
| group: ${{ github.workflow }}-${{ github.ref }} | |
| cancel-in-progress: true | |
| jobs: | |
| sizediff: | |
| runs-on: ubuntu-22.04 | |
| permissions: | |
| pull-requests: write | |
| steps: | |
| # Prepare, install tools | |
| - name: Add GOBIN to $PATH | |
| run: | | |
| echo "$HOME/go/bin" >> $GITHUB_PATH | |
| - name: Checkout | |
| uses: actions/checkout@v3 | |
| with: | |
| fetch-depth: 0 # fetch all history (no sparse checkout) | |
| submodules: true | |
| - name: Install apt dependencies | |
| run: | | |
| echo 'deb https://apt.llvm.org/jammy/ llvm-toolchain-jammy-15 main' | sudo tee /etc/apt/sources.list.d/llvm.list | |
| wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add - | |
| sudo apt-get update | |
| sudo apt-get install --no-install-recommends -y \ | |
| llvm-15-dev \ | |
| clang-15 \ | |
| libclang-15-dev \ | |
| lld-15 | |
| - name: Restore LLVM source cache | |
| uses: actions/cache@v3 | |
| id: cache-llvm-source | |
| with: | |
| key: llvm-source-15-sizediff-v1 | |
| path: | | |
| llvm-project/compiler-rt | |
| - name: Download LLVM source | |
| if: steps.cache-llvm-source.outputs.cache-hit != 'true' | |
| run: make llvm-source | |
| - name: Cache Go | |
| uses: actions/cache@v3 | |
| with: | |
| key: go-cache-linux-sizediff-v1-${{ hashFiles('go.mod') }} | |
| path: | | |
| ~/.cache/go-build | |
| ~/go/pkg/mod | |
| - run: make gen-device -j4 | |
| - name: Download drivers repo | |
| run: git clone https://github.com/tinygo-org/drivers.git | |
| - name: Save HEAD | |
| run: git branch github-actions-saved-HEAD HEAD | |
| # Compute sizes for the dev branch | |
| - name: Checkout dev branch | |
| run: git checkout --no-recurse-submodules `git merge-base HEAD origin/dev` | |
| - name: Build tinygo binary for the dev branch | |
| run: go install | |
| - name: Determine binary sizes on the dev branch | |
| run: (cd drivers; make smoke-test XTENSA=0 | tee sizes-dev.txt) | |
| # Compute sizes for the PR branch | |
| - name: Checkout PR branch | |
| run: git checkout --no-recurse-submodules github-actions-saved-HEAD | |
| - name: Build tinygo binary for the PR branch | |
| run: go install | |
| - name: Determine binary sizes on the PR branch | |
| run: (cd drivers; make smoke-test XTENSA=0 | tee sizes-pr.txt) | |
| # Create comment | |
| # TODO: add a summary, something like: | |
| # - overall size difference (percent) | |
| # - number of binaries that grew / shrank / remained the same | |
| # - don't show the full diff when no binaries changed | |
| - name: Calculate size diff | |
| run: ./tools/sizediff drivers/sizes-dev.txt drivers/sizes-pr.txt | tee sizediff.txt | |
| - name: Create comment | |
| run: | | |
| echo "Size difference with the dev branch:" > comment.txt | |
| echo "<details><summary>Binary size difference</summary>" >> comment.txt | |
| echo "<pre>" >> comment.txt | |
| cat sizediff.txt >> comment.txt | |
| echo "</pre></details>" >> comment.txt | |
| - name: Comment contents | |
| run: cat comment.txt | |
| - name: Add comment | |
| if: ${{ github.event.pull_request.head.repo.full_name == github.event.pull_request.base.repo.full_name }} | |
| uses: thollander/[email protected] | |
| with: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| filePath: comment.txt | |
| comment_tag: sizediff |