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name: Run memory report
permissions:
contents: read
# Third-party builds must not write caches consumed by other jobs.
# GitHub-hosted runners use GitHub's cache service, which enforces this mode.
cache-mode: read
on:
pull_request:
paths:
- "crates/ty*/**"
- "!crates/ty_ide/**"
- "!crates/ty_server/**"
- "!crates/ty_test/**"
- "!crates/ty_completion_eval/**"
- "!crates/ty_wasm/**"
- "crates/ruff_db/**"
- "crates/ruff_python_ast/**"
- "crates/ruff_python_edits/**"
- "crates/ruff_python_parser/**"
- "scripts/memory_report.py"
- ".github/workflows/memory_report.yaml"
- ".github/actions/setup-ruff-workspace/action.yml"
- "Cargo.lock"
- "!**.md"
- "!**.snap"
# It's tempting to skip all Python files in every directory,
# but changes to Python files in `ty_vendored` can affect the output of ecosystem runs,
# so we apply a narrow exemption for all files in the corpus directory instead.
- "!crates/ty_python_semantic/resources/corpus/**"
concurrency:
group: memory-report-${{ github.ref_name }}-${{ github.event.pull_request.number || github.sha }}
cancel-in-progress: ${{ github.event_name == 'pull_request' }}
env:
UV_LOCKED: 1
CARGO_INCREMENTAL: 0
CARGO_NET_RETRY: 10
CARGO_TERM_COLOR: always
RUSTUP_MAX_RETRIES: 10
RUST_BACKTRACE: 1
# Line-tables-only debug info: faster builds, backtraces still work.
CARGO_PROFILE_PROFILING_DEBUG: line-tables-only
PYTHON_VERSION: 3.14
jobs:
memory_report:
name: Compute memory usage diff
runs-on: ${{ github.repository == 'astral-sh/ruff' && 'github-ubuntu-24.04-x86_64-32' || 'ubuntu-latest' }}
timeout-minutes: 20
steps:
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
path: ruff
persist-credentials: false
# Faster to do this separately than to use `fetch-depth: 0` with `actions/checkout`
- name: Fetch full history without tags
env:
GH_TOKEN: ${{ github.token }}
run: |
gh auth setup-git
git -C ruff fetch --no-tags --filter=blob:none --unshallow origin
- uses: Swatinem/rust-cache@6323deb102c322ba6fcbdcafc7e3dddab59af2b6 # v2.9.2
with:
workspaces: "ruff"
save-if: false
- uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
with:
python-version: ${{ env.PYTHON_VERSION }}
- uses: $/.github/actions/setup-ruff-workspace
with:
enable-cache: true
save-cache: false
- name: Install Rust toolchain
run: rustup show
- name: Compute memory usage diff
shell: bash
env:
TY_MEMORY_REPORT: json
# Disabling multithreading improves the stability of memory usage numbers.
TY_MAX_PARALLELISM: 1
run: |
# Build the executable for the old and new commit
(
cd ruff
echo "new commit"
git rev-list --format=%s --max-count=1 "$GITHUB_SHA"
cargo build --bin ty --profile profiling
mv target/profiling/ty ty-new
# The first parent contains any preceding layers in a stacked pull request.
MERGE_BASE="$(git rev-parse "${GITHUB_SHA}^1")"
git checkout -b old_commit "$MERGE_BASE"
echo "old commit (merge base)"
git rev-list --format=%s --max-count=1 old_commit
cargo build --bin ty --profile profiling
mv target/profiling/ty ty-old
)
(
echo "Creating comment with memory comparison"
cd ruff
git switch - --detach
python "./scripts/memory_report.py" run \
--old-ty "./ty-old" \
--new-ty "./ty-new" \
--projects-dir "${GITHUB_WORKSPACE}/memory_projects" \
--output ../memory_report_diff.diff
)
- name: Upload diff
uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
with:
name: memory_report_diff
path: memory_report_diff.diff
publish-report:
needs: memory_report
if: >-
!cancelled() && github.event_name == 'pull_request' &&
github.repository == 'astral-sh/ruff' &&
github.event.pull_request.head.repo.full_name == github.repository &&
(needs.memory_report.result == 'success' || needs.memory_report.result == 'failure')
uses: astral-sh/ruff/.github/workflows/publish-pull-request-report.yml@main # zizmor: ignore[unpinned-uses]
secrets:
KV_API_URL: ${{ secrets.KV_API_URL }}
STS_API_URL: ${{ secrets.STS_API_URL }}
permissions:
contents: read
id-token: write
with:
report: memory
artifact: memory_report_diff
filename: memory_report_diff.diff