benchmark-baseline.yml

name: Benchmark Baseline

on:
  push:
    branches: [main]
    paths:
      - 'src/LightningDB/**'
      - 'src/LightningDB.Benchmarks/**'
  workflow_dispatch:

jobs:
  baseline:
    runs-on: ubuntu-latest
    timeout-minutes: 30

    steps:
      - name: Checkout
        uses: actions/checkout@v5

      - name: Setup .NET
        uses: actions/setup-dotnet@v5
        with:
          dotnet-version: '10.0.x'

      - name: Restore dependencies
        run: dotnet restore

      - name: Build Release
        run: dotnet build --configuration Release --no-restore

      - name: Run Benchmarks
        working-directory: src/LightningDB.Benchmarks
        run: |
          dotnet run -c Release --no-build -- \
            --filter "*" \
            --job short \
            --exporters json \
            --iterationCount 3 \
            --warmupCount 1 \
            --launchCount 1

      - name: Combine benchmark results
        run: |
          mkdir -p benchmark-cache
          # Find all JSON result files and combine them
          find src/LightningDB.Benchmarks/BenchmarkDotNet.Artifacts/results \
            -name "*-report-full-compressed.json" \
            -exec cat {} + > benchmark-cache/baseline.json

      - name: Cache baseline results
        uses: actions/cache/save@v4
        with:
          path: benchmark-cache
          key: benchmark-baseline-${{ runner.os }}-${{ github.sha }}

      - name: Cache baseline results (latest)
        uses: actions/cache/save@v4
        with:
          path: benchmark-cache
          key: benchmark-baseline-${{ runner.os }}-latest

      - name: Upload baseline artifact
        uses: actions/upload-artifact@v4
        with:
          name: benchmark-baseline-${{ github.sha }}
          path: benchmark-cache/
          retention-days: 30