benchmark.yml

# SPDX-FileCopyrightText: Copyright (c) 2016-2026 Objectionary.com
# SPDX-License-Identifier: MIT
---
# yamllint disable rule:line-length
name: benchmark
'on':
  push:
    branches:
      - master
    paths-ignore: ['README.md', '.github']
concurrency:
  group: benchmark-${{ github.ref }}
  cancel-in-progress: true
jobs:
  benchmark:
    timeout-minutes: 15
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v5
      - uses: actions/setup-java@v5
        with:
          distribution: 'zulu'
          java-version: 21
      - uses: actions/cache@v5
        with:
          path: ~/.m2/repository
          key: ubuntu-jdk-21-maven-${{ hashFiles('**/pom.xml') }}
          restore-keys: ubuntu-jdk-21-maven-
      - run: mvn clean test -Pbenchmark --errors --batch-mode
      - run: |
          set -x
          sum=$(
            printf "\`\`\`text\n"
            cat target/lint-summary.txt
            printf "\n\n"
            header=true
            while IFS=, read -r id ms; do
              if [[ "$id" != "id" ]]; then
                if $header; then
                  header=false
                  continue
                fi
                printf "%s,%s\n" "$(echo "$id" | tr -d '"')" "$(echo "$ms" | tr -d '"')"
              fi
            done < target/timings.csv | sort -t, -k2 -n -r | head -16 | while IFS=, read -r id ms; do
              printf "%s (%s ms)\n" "$id" "$ms"
            done
            printf "\`\`\`\n\n"
            echo "The results were calculated in [this GHA job][benchmark-gha]"
            echo "on $(date +'%Y-%m-%d') at $(date +'%H:%M'),"
            echo "on $(uname) with $(nproc --all) CPUs."
          )
          export sum
          perl -i -0777 -pe 's/(?<=<!-- benchmark_begin -->).*(?=<!-- benchmark_end -->)/\n$ENV{sum}\n/gs;' README.md
          url=${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}/actions/runs/${GITHUB_RUN_ID}
          export url
          perl -i -0777 -pe 's/(?<=\[benchmark-gha\]: )[^\n]+(?=\n)/$ENV{url}/gs;' README.md
      - uses: peter-evans/create-pull-request@v7
        with:
          branch: benchmark
          commit-message: 'New benchmark results'
          delete-branch: true
          title: "New benchmark results"
          assignees: yegor256
          base: master
          sign-commits: true
  report:
    name: Create issue on failure
    needs: benchmark
    if: failure() && github.event.pull_request == null
    runs-on: ubuntu-24.04
    steps:
      - uses: jayqi/failed-build-issue-action@v1
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}