Bench #112
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| name: Bench | |
| on: | |
| workflow_call: | |
| workflow_dispatch: | |
| env: | |
| CARGO_PROFILE_BENCH_BUILD_OVERRIDE_DEBUG: true | |
| CARGO_PROFILE_RELEASE_DEBUG: true | |
| CARGO_TERM_COLOR: always | |
| RUST_BACKTRACE: 1 | |
| TOOLCHAIN: nightly | |
| RUSTFLAGS: -C link-arg=-fuse-ld=lld -C link-arg=-Wl,--no-rosegment, -C force-frame-pointers=yes | |
| PERF_CMD: record -o perf.data -F997 --call-graph fp -g | |
| jobs: | |
| bench: | |
| name: Benchmark | |
| runs-on: self-hosted | |
| defaults: | |
| run: | |
| shell: bash | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| - name: Set PATH | |
| run: echo "/home/bench/.cargo/bin" >> "${GITHUB_PATH}" | |
| - name: Install Rust | |
| uses: ./.github/actions/rust | |
| with: | |
| version: $TOOLCHAIN | |
| components: rustfmt | |
| - name: Fetch and build NSS and NSPR | |
| uses: ./.github/actions/nss | |
| - name: Build | |
| run: | | |
| cargo "+$TOOLCHAIN" bench --features bench --no-run | |
| cargo "+$TOOLCHAIN" build --release --bin neqo-client --bin neqo-server | |
| - name: Download cached main-branch results | |
| id: criterion-cache | |
| uses: actions/cache/restore@v4 | |
| with: | |
| path: ./target/criterion | |
| key: criterion-${{ runner.name }}-${{ github.sha }} | |
| restore-keys: criterion-${{ runner.name }}- | |
| # Disable turboboost, hyperthreading and use performance governor. | |
| - name: Prepare machine | |
| run: sudo /root/bin/prep.sh | |
| # Pin the benchmark run to core 0 and run all benchmarks at elevated priority. | |
| - name: Run cargo bench | |
| run: | | |
| taskset -c 0 nice -n -20 \ | |
| cargo "+$TOOLCHAIN" bench --features bench -- --noplot | tee results.txt | |
| # Pin the transfer benchmark to core 0 and run it at elevated priority inside perf. | |
| # Work around https://github.com/flamegraph-rs/flamegraph/issues/248 by passing explicit perf arguments. | |
| - name: Profile cargo bench transfer | |
| run: | | |
| taskset -c 0 nice -n -20 \ | |
| cargo "+$TOOLCHAIN" flamegraph -v -c "$PERF_CMD" --features bench --bench transfer -- \ | |
| --bench --exact "Run multiple transfers with varying seeds" --noplot | |
| - name: Profile client/server transfer | |
| run: | | |
| { mkdir server; \ | |
| cd server; \ | |
| taskset -c 0 nice -n -20 \ | |
| cargo "+$TOOLCHAIN" flamegraph -v -c "$PERF_CMD" \ | |
| --bin neqo-server -- --db ../test-fixture/db "$HOST:4433" || true; } & | |
| mkdir client; \ | |
| cd client; \ | |
| time taskset -c 1 nice -n -20 \ | |
| cargo "+$TOOLCHAIN" flamegraph -v -c "$PERF_CMD" \ | |
| --bin neqo-client -- --output-dir . "https://$HOST:4433/$SIZE" | |
| killall -INT neqo-server | |
| cd ${{ github.workspace }} | |
| [ "$(wc -c < client/"$SIZE")" -eq "$SIZE" ] || exit 1 | |
| env: | |
| HOST: localhost | |
| SIZE: 1073741824 # 1 GB | |
| # Re-enable turboboost, hyperthreading and use powersave governor. | |
| - name: Restore machine | |
| run: sudo /root/bin/unprep.sh | |
| if: success() || failure() || cancelled() | |
| - name: Convert for profiler.firefox.com | |
| run: | | |
| perf script -i perf.data -F +pid > transfer.perf & | |
| perf script -i client/perf.data -F +pid > client.perf & | |
| perf script -i server/perf.data -F +pid > server.perf & | |
| wait | |
| mv flamegraph.svg transfer.svg | |
| mv client/flamegraph.svg client.svg | |
| mv server/flamegraph.svg server.svg | |
| rm neqo.svg | |
| - name: Generate perf reports | |
| run: | | |
| perf report -i perf.data --no-children --stdio > transfer.perf.txt & | |
| perf report -i client/perf.data --no-children --stdio > client.perf.txt & | |
| perf report -i server/perf.data --no-children --stdio > server.perf.txt & | |
| wait | |
| - name: Format results as Markdown | |
| id: results | |
| run: | | |
| { | |
| echo "### Benchmark results" | |
| echo | |
| } > results.md | |
| SHA=$(cat target/criterion/baseline-sha.txt) | |
| if [ -n "$SHA" ]; then | |
| { | |
| echo "Performance differences relative to $SHA." | |
| echo | |
| } >> results.md | |
| fi | |
| grep -Ev 'ignored|running \d+ tests|%\)' results.txt |\ | |
| sed -E -e 's/(Performance has regressed.)/:broken_heart: **\1**/gi' \ | |
| -e 's/(Performance has improved.)/:green_heart: **\1**/gi' \ | |
| -e 's/^ +/ /gi' \ | |
| -e 's/^([a-z0-9].*)$/* **\1**/gi' \ | |
| -e 's/(change:[^%]*% )([^%]*%)(.*)/\1**\2**\3/gi' \ | |
| >> results.md | |
| - name: Remember main-branch push URL | |
| if: github.ref == 'refs/heads/main' | |
| run: echo "${{ github.sha }}" > target/criterion/baseline-sha.txt | |
| - name: Store history | |
| if: github.ref == 'refs/heads/main' | |
| run: | | |
| mkdir -p target/criterion-history | |
| cp -r target/criterion "target/criterion-history/$(date +%s)-${{ github.sha }}" | |
| - name: Cache main-branch results | |
| if: github.ref == 'refs/heads/main' | |
| uses: actions/cache/save@v4 | |
| with: | |
| path: ./target/criterion | |
| key: criterion-${{ runner.name }}-${{ github.sha }} | |
| - name: Export perf data | |
| id: export | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: ${{ github.event.repository.name }}-${{ github.sha }} | |
| path: | | |
| *.svg | |
| *.perf | |
| *.txt | |
| results.* | |
| target/criterion* | |
| compression-level: 9 | |
| - name: Export PR comment data | |
| uses: ./.github/actions/pr-comment-data-export | |
| with: | |
| name: bench | |
| contents: results.md | |
| log-url: ${{ steps.export.outputs.artifact-url }} |