benchmarks.yml

name: benchmarks
permissions: read-all
on: [ push, pull_request ]

env:
  DEVELOCITY_ACCESS_KEY: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
  PUBLISH_JDK: 21

jobs:
  benchmarks:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        java: [ 11, 21, 24, GraalVM ]
    env:
      JAVA_VERSION: ${{ matrix.java }}
    steps:
      - name: Harden Runner
        uses: step-security/harden-runner@5c7944e73c4c2a096b17a9cb74d65b6c2bbafbde # v2.9.1
        with:
          disable-sudo: true
          egress-policy: block
          allowed-endpoints: >
            api.adoptium.net:443
            api.github.com:443
            caffeine.gradle-enterprise.cloud:443
            download.java.net:443
            download.oracle.com:443
            downloads.gradle.org:443
            downloads.gradle-dn.com:443
            gds.oracle.com:443
            github.com:443
            jcenter.bintray.com:443
            objects.githubusercontent.com:443
            plugins.gradle.org:443
            plugins-artifacts.gradle.org:443
            repo.maven.apache.org:443
            repo1.maven.org:443
            raw.githubusercontent.com:443
            services.gradle.org:443
            www.graalvm.org:443
      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
      - name: Compute JMH Benchmark
        uses: ./.github/actions/run-gradle
        with:
          java: ${{ matrix.java }}
          token: ${{ secrets.GITHUB_TOKEN }}
          arguments: >
            caffeine:jmh --no-daemon -q
            -PincludePattern=ComputeBenchmark
            -PbenchmarkParameters=computeType=Caffeine,Guava,ConcurrentHashMap
      - name: Upload Compute JMH Results to Gist
        uses: popsiclestick/gist-sync-action@88f8633178625914f2a01abf1a765f7272a580fa # v1.2.0
        if: >
          github.event_name == 'push'
          && github.event.repository.fork == false
          && endsWith(github.ref, github.event.repository.default_branch)
        continue-on-error: true
        with:
          auth: ${{ secrets.GIST_TOKEN }}
          gist_description: Compute JMH Results
          gist_title: compute_results_${{ matrix.java }}.json
          github_file: ./caffeine/build/reports/jmh/results.json
          gist_url: https://gist.githubusercontent.com/ben-manes/511298014cc5629cbc5e57f09fd4c430
      - name: Get/Put JMH Benchmark
        uses: ./.github/actions/run-gradle
        with:
          java: ${{ matrix.java }}
          token: ${{ secrets.GITHUB_TOKEN }}
          arguments: >
            caffeine:jmh --no-daemon -q
            -PincludePattern=GetPutBenchmark
            -PbenchmarkParameters=cacheType=Caffeine,Guava,ConcurrentHashMap
      - name: Upload Get/Put JMH Results to Gist
        uses: popsiclestick/gist-sync-action@88f8633178625914f2a01abf1a765f7272a580fa # v1.2.0
        if: >
          github.event_name == 'push'
          && github.event.repository.fork == false
          && endsWith(github.ref, github.event.repository.default_branch)
        continue-on-error: true
        with:
          auth: ${{ secrets.GIST_TOKEN }}
          gist_description: Get/Put JMH Results
          gist_title: getput_results_${{ matrix.java }}.json
          github_file: ./caffeine/build/reports/jmh/results.json
          gist_url: https://gist.githubusercontent.com/ben-manes/b231cf57cf8e144e2247716e777edcf3
      - name: Put/Remove JMH Benchmark
        uses: ./.github/actions/run-gradle
        with:
          java: ${{ matrix.java }}
          token: ${{ secrets.GITHUB_TOKEN }}
          arguments: >
            caffeine:jmh --no-daemon -q
            -PincludePattern=PutRemoveBenchmark
            -PbenchmarkParameters=cacheType=Caffeine,Guava,ConcurrentHashMap
      - name: FrequencySketch JMH Benchmark
        uses: ./.github/actions/run-gradle
        with:
          java: ${{ matrix.java }}
          token: ${{ secrets.GITHUB_TOKEN }}
          arguments: >
            caffeine:jmh --no-daemon -q
            -PincludePattern=FrequencySketchBenchmark
            -PbenchmarkParameters=tableSize=134217728
      - name: TimerWheelBenchmark JMH Benchmark
        uses: ./.github/actions/run-gradle
        with:
          java: ${{ matrix.java }}
          token: ${{ secrets.GITHUB_TOKEN }}
          arguments: caffeine:jmh --no-daemon -q -PincludePattern=TimerWheelBenchmark
      - name: Publish JMH benchmarks
        if: >
          matrix.java == env.PUBLISH_JDK
          && github.event_name == 'push'
          && endsWith(github.ref, github.event.repository.default_branch)
        run: |
          {
            echo '#### [Compute](https://jmh.morethan.io/?gists=511298014cc5629cbc5e57f09fd4c430)'
            echo -n 'This benchmark that evaluates the overhead due to locking when the entry is'
            echo -n 'present. The scenarios graphed are all threads retrieving a single entry'
            echo -n '("sameKey") and threads retrieving different keys based on a Zipf distribution'
            echo -n '("spread").'
            echo -e '\n'
            echo '#### [Get/Put](https://jmh.morethan.io/?gists=b231cf57cf8e144e2247716e777edcf3)'
            echo -n 'A benchmark that evaluates the read/write performance of a cache. The cache is'
            echo -n 'pre-populated for a 100% hit rate and a Zipf distribution of keys is used to'
            echo -n 'mimic application usage patterns.'
          } >> $GITHUB_STEP_SUMMARY