name: PR Test

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
  workflow_dispatch:
    inputs:
      version:
        description: "FlashInfer version"
        required: true
        type: choice
        default: 'release'
        options:
          - 'release'
          - 'nightly'

concurrency:
  group: pr-test-${{ github.ref }}
  cancel-in-progress: true

jobs:
  check-changes:
    runs-on: ubuntu-latest
    outputs:
      src: ${{ steps.filter.outputs.src }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Detect file changes
        id: filter
        uses: dorny/paths-filter@v3
        with:
          filters: |
            src:
              - "python/**"
              - "scripts/**"
              - "test/**"
              - ".github/workflows/pr-test.yml"

  unit-test-frontend:
    needs: check-changes
    if: (github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request') &&
        github.event.pull_request.draft == false &&
        needs.check-changes.outputs.src == 'true'
    runs-on: 1-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          bash scripts/ci_install_dependency.sh

      - name: Run test
        timeout-minutes: 10
        run: |
          cd test/lang
          python3 run_suite.py --suite per-commit

  unit-test-backend-1-gpu:
    needs: check-changes
    if: (github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request') &&
        github.event.pull_request.draft == false &&
        needs.check-changes.outputs.src == 'true'
    runs-on: 1-gpu-runner
    strategy:
      fail-fast: false
      matrix:
        part: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          bash scripts/ci_install_dependency.sh

      - name: Run test
        timeout-minutes: 30
        run: |
          cd test/srt
          python3 run_suite.py --suite per-commit --auto-partition-id ${{ matrix.part }} --auto-partition-size 10

  unit-test-backend-2-gpu:
    needs: check-changes
    if: (github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request') &&
        github.event.pull_request.draft == false &&
        needs.check-changes.outputs.src == 'true'
    runs-on: 2-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          bash scripts/ci_install_dependency.sh

      - name: Run test
        timeout-minutes: 30
        run: |
          cd test/srt
          python3 run_suite.py --suite per-commit-2-gpu

  unit-test-backend-4-gpu:
    needs: [check-changes, unit-test-frontend, unit-test-backend-2-gpu]
    if: (github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request') &&
        github.event.pull_request.draft == false &&
        needs.check-changes.outputs.src == 'true'
    runs-on: 4-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          bash scripts/ci_install_dependency.sh

      - name: Run test
        timeout-minutes: 30
        run: |
          cd test/srt
          python3 run_suite.py --suite per-commit-4-gpu

  unit-test-backend-8-gpu:
    needs: [check-changes, unit-test-frontend, unit-test-backend-2-gpu]
    if: (github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request') &&
        github.event.pull_request.draft == false &&
        needs.check-changes.outputs.src == 'true'
    runs-on: 8-gpu-runner
    strategy:
      fail-fast: false
      matrix:
        part: [0, 1]
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          bash scripts/ci_install_dependency.sh

      - name: Run test
        timeout-minutes: 20
        run: |
          cd test/srt
          python3 run_suite.py --suite per-commit-8-gpu --auto-partition-id ${{ matrix.part }} --auto-partition-size 2

  performance-test-1-gpu-part-1:
    needs: check-changes
    if: (github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request') &&
        github.event.pull_request.draft == false &&
        needs.check-changes.outputs.src == 'true'
    runs-on: 1-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          bash scripts/ci_install_dependency.sh

      - name: Benchmark single latency
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_one_batch.TestBenchOneBatch.test_bs1_small
          python3 -m unittest test_bench_one_batch.TestBenchOneBatch.test_bs1_default

      - name: Benchmark online latency
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_serving.TestBenchServing.test_online_latency_default

      - name: Benchmark offline throughput
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_serving.TestBenchServing.test_offline_throughput_default

      - name: Benchmark offline throughput (Non-streaming, small batch size)
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_serving.TestBenchServing.test_offline_throughput_non_stream_small_batch_size

      - name: Benchmark online latency (EAGLE)
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_serving.TestBenchServing.test_online_latency_eagle

      - name: Benchmark online latency (LoRA)
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_serving.TestBenchServing.test_lora_online_latency
          python3 -m unittest test_bench_serving.TestBenchServing.test_lora_online_latency_with_concurrent_adapter_updates

  performance-test-1-gpu-part-2:
    needs: check-changes
    if: (github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request') &&
        github.event.pull_request.draft == false &&
        needs.check-changes.outputs.src == 'true'
    runs-on: 1-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          bash scripts/ci_install_dependency.sh

      - name: Benchmark offline throughput (w/o RadixAttention)
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_serving.TestBenchServing.test_offline_throughput_without_radix_cache

      - name: Benchmark offline throughput (w/ Triton)
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_serving.TestBenchServing.test_offline_throughput_with_triton_attention_backend

      - name: Benchmark offline throughput (w/ FP8)
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_serving.TestBenchServing.test_offline_throughput_default_fp8

      - name: Benchmark VLM offline throughput
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_serving.TestBenchServing.test_vlm_offline_throughput

      - name: Benchmark VLM online latency
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_serving.TestBenchServing.test_vlm_online_latency

  performance-test-2-gpu:
    needs: check-changes
    if: (github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request') &&
        github.event.pull_request.draft == false &&
        needs.check-changes.outputs.src == 'true'
    runs-on: 2-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          bash scripts/ci_install_dependency.sh

      - name: Benchmark single latency (TP=2)
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_one_batch.TestBenchOneBatch.test_moe_tp2_bs1

      - name: Benchmark single latency + torch.compile (TP=2)
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_one_batch.TestBenchOneBatch.test_torch_compile_tp2_bs1

      - name: Benchmark offline throughput (TP=2)
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_serving.TestBenchServing.test_moe_offline_throughput_default

      - name: Benchmark offline throughput (w/o RadixAttention) (TP=2)
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_serving.TestBenchServing.test_moe_offline_throughput_without_radix_cache

      - name: Benchmark offline decode throughput (PP=2)
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_serving.TestBenchServing.test_pp_offline_throughput_default_decode

      - name: Benchmark offline prefill throughput (PP=2)
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_serving.TestBenchServing.test_pp_long_context_prefill

  accuracy-test-1-gpu:
    needs: check-changes
    if: (github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request') &&
        github.event.pull_request.draft == false &&
        needs.check-changes.outputs.src == 'true'
    runs-on: 1-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          bash scripts/ci_install_dependency.sh
          git clone https://github.com/merrymercy/human-eval.git
          cd human-eval
          pip install -e .

      - name: Evaluate accuracy
        timeout-minutes: 20
        run: |
          cd test/srt
          python3 test_eval_accuracy_large.py

  accuracy-test-2-gpu:
    needs: check-changes
    if: (github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request') &&
        github.event.pull_request.draft == false &&
        needs.check-changes.outputs.src == 'true'
    runs-on: 2-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          bash scripts/ci_install_dependency.sh
          git clone https://github.com/merrymercy/human-eval.git
          cd human-eval
          pip install -e .

      - name: Evaluate accuracy (TP=2)
        timeout-minutes: 20
        run: |
          cd test/srt
          python3 test_moe_eval_accuracy_large.py

  unit-test-deepep-4-gpu:
    needs: check-changes
    if: (github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request') &&
        github.event.pull_request.draft == false &&
        needs.check-changes.outputs.src == 'true'
    runs-on: 4-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          bash scripts/ci_install_deepep.sh

      - name: Run test
        timeout-minutes: 20
        run: |
          cd test/srt
          python3 run_suite.py --suite per-commit-4-gpu-deepep

  unit-test-deepep-8-gpu:
    needs: [check-changes, unit-test-deepep-4-gpu]
    if: (github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request') &&
        github.event.pull_request.draft == false &&
        needs.check-changes.outputs.src == 'true'
    runs-on: 8-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          bash scripts/ci_install_deepep.sh

      - name: Run test
        timeout-minutes: 20
        run: |
          cd test/srt
          python3 run_suite.py --suite per-commit-8-gpu-deepep

  pr-test-finish:
    needs: [
      check-changes,
      unit-test-frontend, unit-test-backend-1-gpu, unit-test-backend-2-gpu, unit-test-backend-4-gpu,
      unit-test-backend-8-gpu, performance-test-1-gpu-part-1, performance-test-1-gpu-part-2, performance-test-2-gpu,
      accuracy-test-1-gpu, accuracy-test-2-gpu, unit-test-deepep-4-gpu, unit-test-deepep-8-gpu,
    ]
    if: needs.check-changes.outputs.src == 'true'
    runs-on: ubuntu-latest
    steps:
      - name: Check all dependent job statuses
        run: |
          results=(${{ join(needs.*.result, ' ') }})
          for result in "${results[@]}"; do
            if [ "$result" = "failure" ] || [ "$result" = "cancelled" ]; then
              echo "Job failed with result: $result"
              exit 1
            fi
          done
          echo "All jobs completed successfully"
          exit 0

  unit-test-backend-8-gpu-b200:
    needs: [check-changes, unit-test-frontend, unit-test-backend-2-gpu]
    if: (github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request') &&
      github.event.pull_request.draft == false &&
      needs.check-changes.outputs.src == 'true'
    runs-on: b200-runner
    strategy:
      fail-fast: false
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          MODE_BLACKWELL=1 bash scripts/ci_install_dependency.sh

      - name: Run test
        timeout-minutes: 20
        run: |
          cd test/srt
          python3 run_suite.py --suite per-commit-8-gpu-b200 --auto-partition-id 0 --auto-partition-size 1
