InteractionVisualizer/.github/workflows/benchmark.yml at master · EllanServer/InteractionVisualizer · GitHub

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name: A-B Performance Benchmark

on:
  workflow_dispatch:
  pull_request:
    paths:
      - '.github/workflows/benchmark.yml'
      - 'benchmark/**'
      - 'build.gradle.kts'
      - 'common/src/main/java/com/loohp/interactionvisualizer/entities/DroppedItemDisplay.java'
      - 'common/src/main/java/com/loohp/interactionvisualizer/entities/DroppedItemSpatialIndex.java'
      - 'common/src/main/java/com/loohp/interactionvisualizer/entities/VisibilityTokenBucket.java'

permissions:
  contents: read

jobs:
  benchmark:
    name: Paper 26.1.2 A-B benchmark
    runs-on: ubuntu-latest
    timeout-minutes: 20

    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Set up Java 25
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: "25"

      - name: Set up Gradle
        uses: gradle/actions/setup-gradle@v4

      - name: Build disposable benchmark plugin
        run: ./gradlew benchmarkJar --no-daemon --no-build-cache --rerun-tasks

      - name: Download stable Paper 26.1.2
        env:
          PAPER_USER_AGENT: InteractionVisualizer-Benchmark/1.0 (https://github.com/EllanServer/InteractionVisualizer)
        run: |
          mkdir -p benchmark-server/plugins
          BUILDS=$(curl --fail --silent --show-error \
            -H "User-Agent: $PAPER_USER_AGENT" \
            https://fill.papermc.io/v3/projects/paper/versions/26.1.2/builds)
          PAPER_URL=$(echo "$BUILDS" | jq -r 'first(.[] | select(.channel == "STABLE") | .downloads."server:default".url) // empty')
          test -n "$PAPER_URL"
          curl --fail --location --show-error \
            -H "User-Agent: $PAPER_USER_AGENT" \
            --output benchmark-server/server.jar "$PAPER_URL"
          cp build/libs/InteractionVisualizer-*-benchmark.jar benchmark-server/plugins/

      - name: Configure isolated benchmark server
        working-directory: benchmark-server
        run: |
          echo 'eula=true' > eula.txt
          cat > server.properties <<'EOF'
          online-mode=false
          level-name=benchmark-world
          level-type=minecraft:flat
          generate-structures=false
          spawn-protection=0
          view-distance=3
          simulation-distance=3
          max-players=1
          max-tick-time=-1
          sync-chunk-writes=false
          EOF

      - name: Run alternating A-B measurements
        working-directory: benchmark-server
        run: |
          java -Xms2G -Xmx2G -XX:+UseG1GC -jar server.jar --nogui | tee benchmark-server.log
          test -f plugins/InteractionVisualizerBenchmark/benchmark-results.jsonl
          test -f plugins/InteractionVisualizerBenchmark/benchmark-complete.txt
          EXPECTED_RESULTS=$(cat plugins/InteractionVisualizerBenchmark/benchmark-complete.txt)
          ACTUAL_RESULTS=$(wc -l < plugins/InteractionVisualizerBenchmark/benchmark-results.jsonl)
          test "$ACTUAL_RESULTS" -eq "$EXPECTED_RESULTS"

      - name: Publish benchmark results
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: interactionvisualizer-ab-${{ github.sha }}
          path: |
            benchmark-server/plugins/InteractionVisualizerBenchmark/benchmark-results.jsonl
            benchmark-server/plugins/InteractionVisualizerBenchmark/benchmark-complete.txt
            benchmark-server/benchmark-server.log
          if-no-files-found: warn
          retention-days: 30