name: PR Test

on:
  push:
    branches: [ main ]
    paths:
      - "python/sglang/**"
      - "test/**"
  pull_request:
    branches: [ main ]
    paths:
      - "python/sglang/**"
      - "test/**"
  workflow_dispatch:

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

jobs:
  unit-test-frontend:
    if: github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request'
    runs-on: 1-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Install dependencies
        run: |
          pip install --upgrade pip
          pip install -e "python[dev]"
          pip install transformers==4.45.2
          pip install flashinfer -i https://flashinfer.ai/whl/cu121/torch2.4/ --force-reinstall

      - name: Run test
        timeout-minutes: 20
        run: |
          cd test/lang
          python3 run_suite.py --suite minimal

  unit-test-backend-part-1:
    if: github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request'
    runs-on: 1-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Install dependencies
        run: |
          pip install --upgrade pip
          pip install -e "python[dev]"
          pip install transformers==4.45.2
          pip install flashinfer -i https://flashinfer.ai/whl/cu121/torch2.4/ --force-reinstall

      - name: Run test
        timeout-minutes: 20
        run: |
          cd test/srt
          python3 run_suite.py --suite minimal --range-begin 0 --range-end 5

  unit-test-backend-part-2:
    if: github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request'
    runs-on: 1-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Install dependencies
        run: |
          pip install --upgrade pip
          pip install -e "python[dev]"
          pip install transformers==4.45.2
          pip install flashinfer -i https://flashinfer.ai/whl/cu121/torch2.4/ --force-reinstall

      - name: Run test
        timeout-minutes: 30
        run: |
          cd test/srt
          python3 run_suite.py --suite minimal --range-begin 5 --range-end 17

  unit-test-backend-part-3:
    if: github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request'
    runs-on: 1-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Install dependencies
        run: |
          pip install --upgrade pip
          pip install -e "python[dev]"
          pip install transformers==4.45.2
          pip install flashinfer -i https://flashinfer.ai/whl/cu121/torch2.4/ --force-reinstall

      - name: Run test
        timeout-minutes: 30
        run: |
          cd test/srt
          python3 run_suite.py --suite minimal --range-begin 17

  performance-test-1-gpu-part-1:
    if: github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request'
    runs-on: 1-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Install dependencies
        run: |
          pip install --upgrade pip
          pip install -e "python[all]"
          pip install transformers==4.45.2
          pip install flashinfer -i https://flashinfer.ai/whl/cu121/torch2.4/ --force-reinstall

      - name: Benchmark Single Latency
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_latency.TestBenchLatency.test_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

  performance-test-1-gpu-part-2:
    if: github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request'
    runs-on: 1-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Install dependencies
        run: |
          pip install --upgrade pip
          pip install -e "python[all]"
          pip install transformers==4.45.2
          pip install flashinfer -i https://flashinfer.ai/whl/cu121/torch2.4/ --force-reinstall

      - 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

  performance-test-2-gpu:
    if: github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request'
    runs-on: 2-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Install dependencies
        run: |
          pip install --upgrade pip
          pip install -e "python[all]"
          pip install transformers==4.45.2
          pip install flashinfer -i https://flashinfer.ai/whl/cu121/torch2.4/ --force-reinstall

      - 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 Single Latency (TP=2)
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 -m unittest test_bench_latency.TestBenchLatency.test_moe_default

  accuracy-test-1-gpu:
    if: github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request'
    runs-on: 1-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Install dependencies
        run: |
          pip install --upgrade pip
          pip install -e "python[all]"
          pip install transformers==4.45.2
          pip install flashinfer -i https://flashinfer.ai/whl/cu121/torch2.4/ --force-reinstall

          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:
    if: github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request'
    runs-on: 2-gpu-runner
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Install dependencies
        run: |
          pip install --upgrade pip
          pip install -e "python[all]"
          pip install transformers==4.45.2
          pip install flashinfer -i https://flashinfer.ai/whl/cu121/torch2.4/ --force-reinstall

          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
      
      - name: Evaluate MLA Accuracy (TP=2)
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 test_mla.py
          python3 test_mla_fp8.py

      - name: Evaluate Data Parallelism Accuracy (DP=2)
        timeout-minutes: 10
        run: |
          cd test/srt
          python3 test_data_parallelism.py

  finish:
    needs: [
      unit-test-frontend, unit-test-backend-part-1, unit-test-backend-part-2, unit-test-backend-part-3,
      performance-test-1-gpu-part-1, performance-test-1-gpu-part-2, performance-test-2-gpu,
      accuracy-test-1-gpu, accuracy-test-2-gpu
    ]
    runs-on: ubuntu-latest
    steps:
      - name: Finish
        run: echo "This is an empty step to ensure that all jobs are completed."
