name: PR Test
# Dynamic run-name for /rerun-stage commands to enable URL lookup
# Format: "[stage-name] sha" for fork PRs, "[stage-name]" for non-fork, default for normal runs
run-name: ${{ inputs.target_stage && (inputs.pr_head_sha && format('[{0}] {1}', inputs.target_stage, inputs.pr_head_sha) || format('[{0}]', inputs.target_stage)) || '' }}

on:
  schedule:
    - cron: '0 */6 * * *'  # Run every 6 hours (UTC)
  pull_request:
    branches: [main]
  workflow_dispatch:
    inputs:
      target_stage:
        description: "Specific stage to run (optional, for quick testing)"
        required: false
        type: string
        default: ""
      force_continue_on_error:
        description: "Force continue-on-error (test scheduled CI behavior)"
        required: false
        type: boolean
        default: false
      pr_head_sha:
        description: "PR head SHA to checkout (for /rerun-stage on fork PRs)"
        required: false
        type: string
        default: ""
      test_parallel_dispatch:
        description: "Test parallel dispatch behavior (simulates scheduled run)"
        required: false
        type: boolean
        default: false
  workflow_call:
    inputs:
      git_ref:
        description: 'Git ref (branch, tag, or SHA) to test. If not provided, uses the default branch.'
        required: false
        type: string
        default: ''
      run_all_tests:
        description: "Run all tests (for releasing or testing purpose)"
        required: false
        type: boolean
        default: false
      skip_stage_health_check:
        description: "Skip stage health check fast-fail (e.g. for release branch cuts)"
        required: false
        type: boolean
        default: false

concurrency:
  # Concurrency group structure: pr-test-{event}-{branch}-{pr_sha}-{stage}
  # - event_name prevents scheduled runs from colliding with fork PRs whose branch is named 'main'
  #   (without it, both resolve the branch segment to 'main' and block each other)
  # - github.head_ref (pull_request) or github.ref_name (workflow_dispatch) normalizes to branch name
  # - pr_head_sha isolates /rerun-stage from main branch runs
  # - target_stage allows parallel stage dispatches to run independently
  group: pr-test-${{ github.event_name }}-${{ github.head_ref || github.ref_name || 'default' }}-${{ inputs.pr_head_sha || 'current' }}-${{ inputs.target_stage || inputs.git_ref || 'all' }}
  cancel-in-progress: ${{ github.event_name != 'workflow_call' }}

env:
  SGLANG_IS_IN_CI: true
  SGLANG_CUDA_COREDUMP: "1"
  SGLANG_JIT_DEEPGEMM_FAST_WARMUP: true
  SKIP_STAGE_HEALTH_CHECK: ${{ inputs.skip_stage_health_check == true && 'true' || 'false' }}
  # Schedule / main-branch dispatch / workflow_call from main use refs/heads/main; PR events use refs/pull/*/merge
  SGLANG_PR_TEST_BYPASS_MAINTENANCE_ON_MAIN: ${{ github.ref == 'refs/heads/main' && 'true' || 'false' }}

permissions:
  actions: write
  contents: read
  issues: read
  pull-requests: read

jobs:
  # =============================================== check changes ====================================================
  check-changes:
    runs-on: ubuntu-latest
    outputs:
      # Use API-based detection for target_stage mode (filter-api), otherwise use dorny/paths-filter (filter)
      main_package: ${{ steps.filter-api.outputs.main_package || steps.filter.outputs.main_package || steps.run-mode.outputs.run_all_tests }}
      # sgl_kernel is forced to false when target_stage is set, since sgl-kernel-build-wheels won't run
      # This prevents CUSTOM_BUILD_SGL_KERNEL=true when the wheel artifacts aren't available
      # Note: If PR has kernel changes AND target_stage is set, the validate-target-stage step will fail
      sgl_kernel: ${{ !inputs.target_stage && (steps.filter-api.outputs.sgl_kernel || steps.filter.outputs.sgl_kernel) }}
      # Raw sgl_kernel value before target_stage override (used for validation)
      sgl_kernel_raw: ${{ steps.filter-api.outputs.sgl_kernel || steps.filter.outputs.sgl_kernel }}
      jit_kernel: ${{ steps.filter-api.outputs.jit_kernel || steps.filter.outputs.jit_kernel || steps.run-mode.outputs.run_all_tests }}
      multimodal_gen: ${{ steps.filter-api.outputs.multimodal_gen || steps.filter.outputs.multimodal_gen || steps.run-mode.outputs.run_all_tests }}
      max_parallel: ${{ steps.set-parallel.outputs.max_parallel }}
      max_parallel_small: ${{ steps.set-parallel.outputs.max_parallel_small }}
      max_parallel_2gpu: ${{ steps.set-parallel.outputs.max_parallel_2gpu }}
      b200_runner: ${{ steps.set-runner.outputs.b200_runner }}
      enable_retry: ${{ steps.set-retry.outputs.enable_retry }}
      continue_on_error: ${{ steps.set-continue-on-error.outputs.continue_on_error }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.pr_head_sha || inputs.git_ref || github.sha }}

      - uses: ./.github/actions/check-maintenance

      - name: Determine run mode
        id: run-mode
        run: |
          # Run all tests for scheduled runs and workflow_call (when ref input is provided)
          # Note: github.event_name is inherited from caller, so we detect workflow_call by checking inputs.git_ref
          if [[ "${{ github.event_name }}" == "schedule" || "${{ inputs.run_all_tests }}" == "true" ]]; then
            echo "run_all_tests=true" >> $GITHUB_OUTPUT
            echo "Run mode: ALL TESTS (schedule=${{ github.event_name == 'schedule' }}, run_all_tests=${{ inputs.run_all_tests }})"
          else
            echo "run_all_tests=false" >> $GITHUB_OUTPUT
            echo "Run mode: FILTERED (triggered by ${{ github.event_name }})"
          fi

      - name: Detect file changes
        id: filter
        uses: dorny/paths-filter@v3
        # Only use paths-filter for pull_request events (where it works correctly)
        # For workflow_dispatch with target_stage, we use GitHub API in the next step
        if: steps.run-mode.outputs.run_all_tests != 'true' && !inputs.target_stage
        with:
          filters: |
            main_package:
              - ".github/workflows/pr-test.yml"
              - ".github/workflows/pr-gate.yml"
              - ".github/actions/**"
              - "python/pyproject.toml"
              - "python/sglang/!(multimodal_gen)/**/!(*.md)"
              - "scripts/ci/cuda/*"
              - "scripts/ci/utils/*"
              - "test/**/!(*.md)"
            multimodal_gen:
              - ".github/workflows/pr-test.yml"
              - ".github/workflows/pr-test-multimodal-gen.yml"
              - "python/pyproject.toml"
              - "python/sglang/multimodal_gen/**/*.!(md|ipynb)"
              - "python/sglang/jit_kernel/diffusion/**"
              - "python/sglang/jit_kernel/tests/diffusion/**"
              - "python/sglang/jit_kernel/benchmark/diffusion/**"
              - "python/sglang/cli/**"
            jit_kernel:
              - ".github/workflows/pr-test.yml"
              - ".github/workflows/pr-test-jit-kernel.yml"
              - "python/pyproject.toml"
              - "python/sglang/jit_kernel/**"
            sgl_kernel:
              - ".github/workflows/pr-test-sgl-kernel.yml"
              - "sgl-kernel/**/*.!(md|txt)"

      # For /rerun-stage (workflow_dispatch with target_stage), dorny/paths-filter doesn't work
      # correctly because it falls back to "last commit" detection which breaks for merge commits.
      # Instead, we use the GitHub API to compare the PR commit against main.
      - name: Detect file changes via API (for target_stage)
        id: filter-api
        if: inputs.target_stage && inputs.pr_head_sha
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          echo "Detecting file changes via GitHub API for target_stage mode..."
          echo "PR head SHA: ${{ inputs.pr_head_sha }}"

          # Get the list of changed files by comparing PR commit against main
          # This correctly handles merge commits by looking at the actual PR diff
          CHANGED_FILES=$(gh api "repos/${{ github.repository }}/compare/main...${{ inputs.pr_head_sha }}" \
            --jq '[.files[].filename] | .[]' 2>/dev/null || echo "")

          if [ -z "$CHANGED_FILES" ]; then
            echo "Warning: Could not fetch changed files from API, assuming no changes"
            echo "sgl_kernel=false" >> $GITHUB_OUTPUT
            echo "main_package=false" >> $GITHUB_OUTPUT
            echo "jit_kernel=false" >> $GITHUB_OUTPUT
            echo "multimodal_gen=false" >> $GITHUB_OUTPUT
            exit 0
          fi

          echo "Changed files:"
          echo "$CHANGED_FILES" | head -20
          echo "..."

          # Check for sgl-kernel changes
          if echo "$CHANGED_FILES" | grep -qE "^(sgl-kernel/|\.github/workflows/pr-test-sgl-kernel\.yml)"; then
            echo "sgl_kernel=true" >> $GITHUB_OUTPUT
            echo "Detected sgl-kernel changes"
          else
            echo "sgl_kernel=false" >> $GITHUB_OUTPUT
          fi

          # Check for main_package changes (excluding multimodal_gen)
          # Note: Need to filter out multimodal_gen before checking, not pipe grep -q output
          MAIN_PKG_FILES=$(echo "$CHANGED_FILES" | grep -E "^(python/sglang/|python/pyproject\.toml|scripts/ci/cuda/|scripts/ci/utils/|test/|\.github/workflows/pr-test\.yml|\.github/workflows/pr-gate\.yml|\.github/actions/)" | grep -v "^python/sglang/multimodal_gen/" || true)
          if [ -n "$MAIN_PKG_FILES" ]; then
            echo "main_package=true" >> $GITHUB_OUTPUT
            echo "Detected main_package changes"
          else
            echo "main_package=false" >> $GITHUB_OUTPUT
          fi

          # Check for jit_kernel changes
          if echo "$CHANGED_FILES" | grep -qE "^(python/sglang/jit_kernel/|python/pyproject\.toml|\.github/workflows/pr-test\.yml|\.github/workflows/pr-test-jit-kernel\.yml)"; then
            echo "jit_kernel=true" >> $GITHUB_OUTPUT
            echo "Detected jit_kernel changes"
          else
            echo "jit_kernel=false" >> $GITHUB_OUTPUT
          fi

          # Check for multimodal_gen changes, including diffusion-specific jit_kernel coverage
          if echo "$CHANGED_FILES" | grep -qE "^(python/sglang/multimodal_gen/|python/sglang/cli/|python/sglang/jit_kernel/diffusion/|python/sglang/jit_kernel/tests/diffusion/|python/sglang/jit_kernel/benchmark/diffusion/|python/pyproject\.toml|\.github/workflows/pr-test\.yml|\.github/workflows/pr-test-multimodal-gen\.yml)"; then
            echo "multimodal_gen=true" >> $GITHUB_OUTPUT
            echo "Detected multimodal_gen changes"
          else
            echo "multimodal_gen=false" >> $GITHUB_OUTPUT
          fi

      - name: Set max-parallel based on run type
        id: set-parallel
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          # Determine if this run gets full parallelism (scheduled / high priority)
          FULL=false
          if [[ "${{ github.event_name }}" == "schedule" ]]; then
            FULL=true
            echo "Scheduled run detected, using full parallelism"
          elif [[ "${{ github.event_name }}" == "pull_request" && "${{ contains(github.event.pull_request.labels.*.name, 'high priority') }}" == "true" ]]; then
            FULL=true
            echo "High priority PR detected, using full parallelism"
          elif [[ -n "${{ inputs.target_stage }}" ]]; then
            # /rerun-stage (workflow_dispatch): query PR labels via GitHub API
            # Try SHA lookup first (fork PRs), fallback to branch name (non-fork PRs)
            LABELS=""
            PR_HEAD_SHA="${{ inputs.pr_head_sha }}"
            if [[ -n "$PR_HEAD_SHA" ]]; then
              LABELS=$(gh api "repos/${{ github.repository }}/commits/${PR_HEAD_SHA}/pulls" \
                --jq '.[0].labels[].name' 2>/dev/null || true)
            fi
            if [[ -z "$LABELS" ]]; then
              LABELS=$(gh pr list --head "${{ github.ref_name }}" --repo "${{ github.repository }}" \
                --json labels --jq '.[0].labels[].name' 2>/dev/null || true)
            fi
            echo "PR labels: ${LABELS:-"(none)"}"
            if echo "$LABELS" | grep -Fxq "high priority"; then
              FULL=true
              echo "High priority PR detected via API (/rerun-stage), using full parallelism"
            fi
          fi

          # Set max-parallel for each runner type
          #   1-gpu-h100: 14 partitions, 1-gpu-5090: 8 partitions, 2-gpu-h100: 4 partitions
          if [[ "$FULL" == "true" ]]; then
            LEVEL=full
            echo "max_parallel=14" >> $GITHUB_OUTPUT
            echo "max_parallel_small=8" >> $GITHUB_OUTPUT
            echo "max_parallel_2gpu=4" >> $GITHUB_OUTPUT
          else
            LEVEL=low
            echo "max_parallel=3" >> $GITHUB_OUTPUT
            echo "max_parallel_small=3" >> $GITHUB_OUTPUT
            echo "max_parallel_2gpu=2" >> $GITHUB_OUTPUT
          fi
          echo "parallel_level=$LEVEL" >> $GITHUB_OUTPUT
          echo "Parallelism level: $LEVEL"

      - name: Set B200 runner tag
        id: set-runner
        run: |
          # Use kernel-build runner only when sgl_kernel changes are detected AND we're not in target_stage mode
          # (target_stage skips wheel builds, so we can't use custom kernels)
          # Use API-based detection (filter-api) for target_stage mode, otherwise use dorny/paths-filter (filter)
          sgl_kernel="${{ steps.filter-api.outputs.sgl_kernel || steps.filter.outputs.sgl_kernel }}"
          target_stage="${{ inputs.target_stage }}"
          if [[ "$sgl_kernel" == "true" && -z "$target_stage" ]]; then
            echo "b200_runner=4-gpu-b200-kernel" >> $GITHUB_OUTPUT
          else
            echo "b200_runner=4-gpu-b200" >> $GITHUB_OUTPUT
          fi

      - name: Enable retry for CI
        id: set-retry
        run: |
          echo "enable_retry=true" >> $GITHUB_OUTPUT
          echo "Retry logic enabled for CI"

      - name: Set continue-on-error for full test runs
        id: set-continue-on-error
        run: |
          if [[ "${{ steps.run-mode.outputs.run_all_tests }}" == "true" || "${{ inputs.force_continue_on_error }}" == "true" ]]; then
            echo "continue_on_error=true" >> $GITHUB_OUTPUT
            echo "Full test run or force flag detected, enabling continue-on-error to run all tests"
          else
            echo "continue_on_error=false" >> $GITHUB_OUTPUT
            echo "Filtered run, continue-on-error disabled"
          fi

      - name: Validate target_stage with kernel changes
        # Use API-based detection (filter-api) for target_stage mode, otherwise use dorny/paths-filter (filter)
        if: inputs.target_stage && (steps.filter-api.outputs.sgl_kernel == 'true' || steps.filter.outputs.sgl_kernel == 'true')
        run: |
          echo "::error::Cannot use /rerun-stage when PR has sgl-kernel changes."
          echo "::error::The sgl-kernel-build-wheels job is skipped in target_stage mode, but this PR modifies sgl-kernel/ files."
          echo "::error::Please use /tag-and-rerun-ci to run the full workflow including kernel builds."
          echo ""
          echo "ERROR: Cannot use /rerun-stage when PR has sgl-kernel changes."
          echo ""
          echo "This PR modifies files in sgl-kernel/, which requires building custom kernel wheels."
          echo "The /rerun-stage command skips the wheel build job, so the test would run against"
          echo "the wrong (PyPI) version of sgl-kernel instead of your changes."
          echo ""
          echo "To properly test your kernel changes, use one of these commands instead:"
          echo "  /tag-and-rerun-ci           - Re-run the full workflow including kernel builds"
          echo "  /rerun-ci                   - Re-run the full workflow"
          echo ""
          exit 1

      - name: Show filter results in summary (table)
        run: |
          {
            echo "## Change Detection"
            echo ""
            echo "| Component         | Changed |"
            echo "|-------------------|---------|"
            echo "| main_package      | ${{ steps.filter-api.outputs.main_package || steps.filter.outputs.main_package || steps.run-mode.outputs.run_all_tests }} |"
            echo "| sgl_kernel (raw)  | ${{ steps.filter-api.outputs.sgl_kernel || steps.filter.outputs.sgl_kernel }} |"
            echo "| sgl_kernel (used) | ${{ !inputs.target_stage && (steps.filter-api.outputs.sgl_kernel || steps.filter.outputs.sgl_kernel) }} |"
            echo "| jit_kernel        | ${{ steps.filter-api.outputs.jit_kernel || steps.filter.outputs.jit_kernel || steps.run-mode.outputs.run_all_tests }} |"
            echo "| multimodal_gen    | ${{ steps.filter-api.outputs.multimodal_gen || steps.filter.outputs.multimodal_gen || steps.run-mode.outputs.run_all_tests }} |"
            echo "| target_stage      | ${{ inputs.target_stage || '(none)' }} |"
            echo "| detection_method  | ${{ inputs.target_stage && 'GitHub API' || 'dorny/paths-filter' }} |"
            echo "| max_parallel      | ${{ steps.set-parallel.outputs.parallel_level }} (h100=${{ steps.set-parallel.outputs.max_parallel }}, 5090=${{ steps.set-parallel.outputs.max_parallel_small }}, 2gpu=${{ steps.set-parallel.outputs.max_parallel_2gpu }}) |"
            echo "| b200_runner       | ${{ steps.set-runner.outputs.b200_runner }} |"
            echo "| enable_retry      | ${{ steps.set-retry.outputs.enable_retry }} |"
            echo "| continue_on_error | ${{ steps.set-continue-on-error.outputs.continue_on_error }} |"
          } >> $GITHUB_STEP_SUMMARY

  # =============================================== Wait Jobs for Sequential PR Execution ====================================================
  # These jobs poll GitHub API to wait for previous stages to complete.
  # For PR runs: wait jobs run and enforce sequential execution via polling.
  # For scheduled runs: wait jobs are skipped, enabling parallel execution for easier retry.

  wait-for-stage-a:
    needs: [check-changes, call-gate]
    # Only run for PRs (not scheduled) and when not targeting a specific stage
    # Skip if call-gate failed (stage-a jobs will be skipped, nothing to wait for)
    # !cancelled() ensures this job respects workflow cancellation from concurrency group
    if: |
      always() &&
      !cancelled() &&
      github.event_name == 'pull_request' &&
      !inputs.target_stage &&
      inputs.test_parallel_dispatch != true &&
      (needs.check-changes.outputs.main_package == 'true' || needs.check-changes.outputs.sgl_kernel == 'true') &&
      (needs.call-gate.result == 'success' || needs.call-gate.result == 'skipped')
    runs-on: ubuntu-latest
    outputs:
      stage_a_result: ${{ steps.wait.outputs.result }}
    steps:
      - uses: actions/checkout@v4

      - uses: ./.github/actions/check-maintenance

      - uses: ./.github/actions/wait-for-jobs
        id: wait
        with:
          stage-name: stage-a
          jobs: '["stage-a-test-1-gpu-small", "stage-a-test-cpu"]'
          max-wait-minutes: '240'

  wait-for-stage-b:
    needs: [check-changes, call-gate, wait-for-stage-a]
    # Only run for PRs (not scheduled) and when not targeting a specific stage
    # Skip if call-gate failed (stage-b jobs will be skipped, nothing to wait for)
    if: |
      always() &&
      !cancelled() &&
      github.event_name == 'pull_request' &&
      !inputs.target_stage &&
      inputs.test_parallel_dispatch != true &&
      (needs.check-changes.outputs.main_package == 'true' || needs.check-changes.outputs.sgl_kernel == 'true') &&
      (needs.wait-for-stage-a.result == 'success' || needs.wait-for-stage-a.result == 'skipped') &&
      (needs.call-gate.result == 'success' || needs.call-gate.result == 'skipped')
    runs-on: ubuntu-latest
    outputs:
      stage_b_result: ${{ steps.wait.outputs.result }}
    steps:
      - uses: actions/checkout@v4

      - uses: ./.github/actions/check-maintenance

      - uses: ./.github/actions/wait-for-jobs
        id: wait
        with:
          stage-name: stage-b
          jobs: |
            [
              {"prefix": "stage-b-test-1-gpu-small", "expected_count": 8},
              {"prefix": "stage-b-test-1-gpu-large", "expected_count": 14},
              {"prefix": "stage-b-test-2-gpu-large", "expected_count": 4},
              {"prefix": "stage-b-test-4-gpu-b200", "expected_count": 1}
            ]
          max-wait-minutes: '480'

  # =============================================== PR Gate ====================================================
  call-gate:
    needs: check-changes
    # Skip for scheduled runs (they run all tests) and when target_stage is specified
    if: |
      github.event_name != 'schedule' &&
      inputs.test_parallel_dispatch != true &&
      !inputs.target_stage &&
      (
        needs.check-changes.outputs.main_package == 'true' ||
        needs.check-changes.outputs.sgl_kernel == 'true' ||
        needs.check-changes.outputs.jit_kernel == 'true' ||
        needs.check-changes.outputs.multimodal_gen == 'true'
      )
    uses: ./.github/workflows/pr-gate.yml
    secrets: inherit

  # =============================================== sgl-kernel ====================================================

  sgl-kernel-build-wheels:
    needs: [check-changes, call-gate]
    # Skip for scheduled runs (they run stages independently) and when target_stage is set
    if: github.event_name != 'schedule' && inputs.test_parallel_dispatch != true && !inputs.target_stage && needs.check-changes.outputs.sgl_kernel == 'true'
    runs-on: x64-kernel-build-node
    timeout-minutes: 240
    strategy:
      matrix:
        include:
          - python-version: "3.10"
            cuda-version: "12.9"
          # Add back when CUDA 13.0 is supported on CI
          # - python-version: "3.10"
          #   cuda-version: "13.0"
    name: Build Wheel
    steps:
      - name: Cleanup
        run: |
          sudo rm -rf $GITHUB_WORKSPACE/* || true

      - uses: actions/checkout@v4
        with:
          submodules: "recursive"
          ref: ${{ inputs.pr_head_sha || inputs.git_ref || github.sha }}

      - uses: ./.github/actions/check-maintenance

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}

      - name: Build wheel for Python ${{ matrix.python-version }} and CUDA ${{ matrix.cuda-version }}
        run: |
          cd sgl-kernel
          ./build.sh "${{ matrix.python-version }}" "${{ matrix.cuda-version }}"
        env:
          USE_CCACHE: 1

      - name: Verify wheel artifacts
        run: |
          ls -alh sgl-kernel/dist
          ls -alh sgl-kernel/dist/*.whl

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          name: wheel-python${{ matrix.python-version }}-cuda${{ matrix.cuda-version }}
          path: sgl-kernel/dist/*
          if-no-files-found: error

  sgl-kernel-build-wheels-arm:
    needs: [check-changes, call-gate]
    # Skip for scheduled runs (they run stages independently) and when target_stage is set
    if: github.event_name != 'schedule' && inputs.test_parallel_dispatch != true && !inputs.target_stage && needs.check-changes.outputs.sgl_kernel == 'true'
    runs-on: arm-kernel-build-node
    timeout-minutes: 240
    strategy:
      matrix:
        include:
          - python-version: "3.10"
            cuda-version: "12.9"
    name: Build Wheel Arm
    steps:
      - name: Cleanup
        run: |
          if [ -d "$GITHUB_WORKSPACE" ]; then
            sudo rm -rf "$GITHUB_WORKSPACE"/* || true
          else
            echo "$GITHUB_WORKSPACE does not exist, nothing to clean"
          fi

      - uses: actions/checkout@v4
        with:
          submodules: "recursive"
          ref: ${{ inputs.pr_head_sha || inputs.git_ref || github.sha }}

      - uses: ./.github/actions/check-maintenance

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}

      - name: Build wheel for Python ${{ matrix.python-version }} and CUDA ${{ matrix.cuda-version }}
        run: |
          cd sgl-kernel
          ./build.sh "${{ matrix.python-version }}" "${{ matrix.cuda-version }}"
        env:
          USE_CCACHE: 1

      - name: Verify wheel artifacts
        run: |
          ls -alh sgl-kernel/dist
          ls -alh sgl-kernel/dist/*.whl

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          name: wheel-python${{ matrix.python-version }}-cuda${{ matrix.cuda-version }}-aarch64
          path: sgl-kernel/dist/*
          if-no-files-found: error

  call-sgl-kernel-tests:
    needs: [check-changes, call-gate, sgl-kernel-build-wheels]
    if: |
      github.event_name != 'schedule' &&
      inputs.test_parallel_dispatch != true &&
      !inputs.target_stage &&
      needs.check-changes.outputs.sgl_kernel == 'true'
    uses: ./.github/workflows/pr-test-sgl-kernel.yml
    with:
      sgl_kernel: ${{ needs.check-changes.outputs.sgl_kernel }}
      b200_runner: ${{ needs.check-changes.outputs.b200_runner }}
      pr_head_sha: ${{ inputs.pr_head_sha || '' }}
      git_ref: ${{ inputs.git_ref || '' }}
      skip_stage_health_check: ${{ inputs.skip_stage_health_check == true }}
    secrets: inherit

  # =============================================== jit-kernel ====================================================

  call-jit-kernel-tests:
    needs: [check-changes, call-gate]
    if: needs.check-changes.outputs.jit_kernel == 'true'
    uses: ./.github/workflows/pr-test-jit-kernel.yml
    with:
      jit_kernel: ${{ needs.check-changes.outputs.jit_kernel }}
      pr_head_sha: ${{ inputs.pr_head_sha || '' }}
      git_ref: ${{ inputs.git_ref || '' }}
      target_stage: ${{ inputs.target_stage || '' }}
      test_parallel_dispatch: ${{ inputs.test_parallel_dispatch == true && 'true' || 'false' }}
      skip_stage_health_check: ${{ inputs.skip_stage_health_check == true }}
    secrets: inherit

  # =============================================== primary ====================================================

  # Runs on 5090 (32GB, SM120)
  stage-a-test-1-gpu-small:
    needs: [check-changes, call-gate, sgl-kernel-build-wheels]
    if: |
      always() &&
      (
        (inputs.target_stage == 'stage-a-test-1-gpu-small') ||
        (
          !inputs.target_stage &&
          ((github.event_name == 'schedule' || inputs.test_parallel_dispatch == true) || (!failure() && !cancelled())) &&
          ((needs.check-changes.outputs.main_package == 'true') || (needs.check-changes.outputs.sgl_kernel == 'true'))
        )
      )
    runs-on: 1-gpu-5090
    timeout-minutes: 240
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.pr_head_sha || inputs.git_ref || github.sha }}

      - uses: ./.github/actions/check-stage-health

      - uses: ./.github/actions/check-maintenance

      - name: Download artifacts
        if: needs.check-changes.outputs.sgl_kernel == 'true'
        uses: actions/download-artifact@v4
        with:
          path: sgl-kernel/dist/
          merge-multiple: true
          pattern: wheel-python3.10-cuda12.9

      - name: Install dependencies
        timeout-minutes: 20
        run: |
          CUSTOM_BUILD_SGL_KERNEL=${{needs.check-changes.outputs.sgl_kernel}} bash scripts/ci/cuda/ci_install_dependency.sh

      - name: Run test
        timeout-minutes: 10
        env:
          CONTINUE_ON_ERROR_FLAG: ${{ needs.check-changes.outputs.continue_on_error == 'true' && '--continue-on-error' || '' }}
        run: |
          cd test/
          python3 run_suite.py --hw cuda --suite stage-a-test-1-gpu-small $CONTINUE_ON_ERROR_FLAG

      - uses: ./.github/actions/upload-cuda-coredumps
        if: always()

  stage-a-test-cpu:
    needs: [check-changes, call-gate]
    if: |
      always() &&
      (
        (inputs.target_stage == 'stage-a-test-cpu') ||
        (
          !inputs.target_stage &&
          ((github.event_name == 'schedule' || inputs.test_parallel_dispatch == true) || (!failure() && !cancelled())) &&
          (needs.check-changes.outputs.main_package == 'true')
        )
      )
    runs-on: ubuntu-latest
    timeout-minutes: 240
    steps:
      - name: Free disk space
        run: |
          sudo rm -rf /usr/share/dotnet /usr/local/lib/android /opt/ghc
          df -h

      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.pr_head_sha || inputs.git_ref || github.sha }}

      - uses: ./.github/actions/check-stage-health

      - uses: ./.github/actions/check-maintenance

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.10'

      - name: Install uv
        uses: astral-sh/setup-uv@v5

      # uv pip targets a venv by default; setup-python has no venv — install into that interpreter (see UV_SYSTEM_PYTHON in https://docs.astral.sh/uv/guides/integration/github/)
      - name: Install dependencies
        timeout-minutes: 20
        env:
          UV_SYSTEM_PYTHON: "1"
        run: |
          uv pip install -e "python[dev]" --index-strategy unsafe-best-match --prerelease allow

      - name: Run test
        timeout-minutes: 10
        env:
          CONTINUE_ON_ERROR_FLAG: ${{ needs.check-changes.outputs.continue_on_error == 'true' && '--continue-on-error' || '' }}
        run: |
          cd test/
          python3 run_suite.py --hw cpu --suite stage-a-test-cpu $CONTINUE_ON_ERROR_FLAG

  # Runs on 5090 (32GB, SM120)
  stage-b-test-1-gpu-small:
    needs: [check-changes, call-gate, wait-for-stage-a, sgl-kernel-build-wheels]
    if: |
      always() &&
      (
        (inputs.target_stage == 'stage-b-test-1-gpu-small') ||
        (
          !inputs.target_stage &&
          ((github.event_name == 'schedule' || inputs.test_parallel_dispatch == true) || (!failure() && !cancelled())) &&
          ((needs.check-changes.outputs.main_package == 'true') || (needs.check-changes.outputs.sgl_kernel == 'true'))
        )
      )
    runs-on: 1-gpu-5090
    timeout-minutes: 240
    strategy:
      fail-fast: false
      max-parallel: ${{ fromJson(needs.check-changes.outputs.max_parallel_small) }}
      matrix:
        partition: [0, 1, 2, 3, 4, 5, 6, 7]
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.pr_head_sha || inputs.git_ref || github.sha }}

      - uses: ./.github/actions/check-stage-health

      - uses: ./.github/actions/check-maintenance

      - name: Download artifacts
        if: needs.check-changes.outputs.sgl_kernel == 'true'
        uses: actions/download-artifact@v4
        with:
          path: sgl-kernel/dist/
          merge-multiple: true
          pattern: wheel-python3.10-cuda12.9

      - name: Install dependencies
        timeout-minutes: 20
        run: |
          source /etc/profile.d/sglang-ci.sh
          CUSTOM_BUILD_SGL_KERNEL=${{needs.check-changes.outputs.sgl_kernel}} bash scripts/ci/cuda/ci_install_dependency.sh

      - name: Run test
        timeout-minutes: 30
        env:
          CONTINUE_ON_ERROR_FLAG: ${{ needs.check-changes.outputs.continue_on_error == 'true' && '--continue-on-error' || '' }}
        run: |
          source /etc/profile.d/sglang-ci.sh
          cd test/
          python3 run_suite.py --hw cuda --suite stage-b-test-1-gpu-small --auto-partition-id ${{ matrix.partition }} --auto-partition-size 8 $CONTINUE_ON_ERROR_FLAG

      - uses: ./.github/actions/upload-cuda-coredumps
        if: always()
        with:
          artifact-suffix: ${{ matrix.partition }}

  # Runs on H100 (80GB, SM90) - tests that don't pass on 5090 (FA3, FP8, high VRAM, etc.)
  stage-b-test-1-gpu-large:
    needs: [check-changes, call-gate, wait-for-stage-a, sgl-kernel-build-wheels]
    if: |
      always() &&
      (
        (inputs.target_stage == 'stage-b-test-1-gpu-large') ||
        (
          !inputs.target_stage &&
          ((github.event_name == 'schedule' || inputs.test_parallel_dispatch == true) || (!failure() && !cancelled())) &&
          ((needs.check-changes.outputs.main_package == 'true') || (needs.check-changes.outputs.sgl_kernel == 'true'))
        )
      )
    runs-on: 1-gpu-h100
    timeout-minutes: 240
    strategy:
      fail-fast: false
      max-parallel: ${{ fromJson(needs.check-changes.outputs.max_parallel) }}
      matrix:
        partition: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.pr_head_sha || inputs.git_ref || github.sha }}

      - uses: ./.github/actions/check-stage-health

      - uses: ./.github/actions/check-maintenance

      - name: Download artifacts
        if: needs.check-changes.outputs.sgl_kernel == 'true'
        uses: actions/download-artifact@v4
        with:
          path: sgl-kernel/dist/
          merge-multiple: true
          pattern: wheel-python3.10-cuda12.9

      - name: Install dependencies
        timeout-minutes: 20
        run: |
          CUSTOM_BUILD_SGL_KERNEL=${{needs.check-changes.outputs.sgl_kernel}} bash scripts/ci/cuda/ci_install_dependency.sh

      - name: Run test
        timeout-minutes: 30
        env:
          CONTINUE_ON_ERROR_FLAG: ${{ needs.check-changes.outputs.continue_on_error == 'true' && '--continue-on-error' || '' }}
        run: |
          cd test/
          python3 run_suite.py --hw cuda --suite stage-b-test-1-gpu-large --auto-partition-id ${{ matrix.partition }} --auto-partition-size 14 --timeout-per-file 1800 $CONTINUE_ON_ERROR_FLAG

      - uses: ./.github/actions/upload-cuda-coredumps
        if: always()
        with:
          artifact-suffix: ${{ matrix.partition }}

  stage-b-test-2-gpu-large:
    needs: [check-changes, call-gate, wait-for-stage-a, sgl-kernel-build-wheels]
    if: |
      always() &&
      (
        (inputs.target_stage == 'stage-b-test-2-gpu-large') ||
        (
          !inputs.target_stage &&
          ((github.event_name == 'schedule' || inputs.test_parallel_dispatch == true) || (!failure() && !cancelled())) &&
          ((needs.check-changes.outputs.main_package == 'true') || (needs.check-changes.outputs.sgl_kernel == 'true'))
        )
      )
    runs-on: 2-gpu-h100
    timeout-minutes: 240
    strategy:
      fail-fast: false
      max-parallel: ${{ fromJson(needs.check-changes.outputs.max_parallel_2gpu) }}
      matrix:
        partition: [0, 1, 2, 3]
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.pr_head_sha || inputs.git_ref || github.sha }}

      - uses: ./.github/actions/check-stage-health

      - uses: ./.github/actions/check-maintenance

      - name: Download artifacts
        if: needs.check-changes.outputs.sgl_kernel == 'true'
        uses: actions/download-artifact@v4
        with:
          path: sgl-kernel/dist/
          merge-multiple: true
          pattern: wheel-python3.10-cuda12.9

      - name: Install dependencies
        timeout-minutes: 20
        run: |
          CUSTOM_BUILD_SGL_KERNEL=${{needs.check-changes.outputs.sgl_kernel}} bash scripts/ci/cuda/ci_install_dependency.sh

      - name: Run test
        timeout-minutes: 30
        env:
          CONTINUE_ON_ERROR_FLAG: ${{ needs.check-changes.outputs.continue_on_error == 'true' && '--continue-on-error' || '' }}
        run: |
          cd test/
          python3 run_suite.py --hw cuda --suite stage-b-test-2-gpu-large --auto-partition-id ${{ matrix.partition }} --auto-partition-size 4 $CONTINUE_ON_ERROR_FLAG

      - uses: ./.github/actions/upload-cuda-coredumps
        if: always()
        with:
          artifact-suffix: ${{ matrix.partition }}

  stage-b-test-4-gpu-b200:
    needs: [check-changes, call-gate, wait-for-stage-a, sgl-kernel-build-wheels]
    if: |
      always() &&
      (
        (inputs.target_stage == 'stage-b-test-4-gpu-b200') ||
        (
          !inputs.target_stage &&
          ((github.event_name == 'schedule' || inputs.test_parallel_dispatch == true) || (!failure() && !cancelled())) &&
          ((needs.check-changes.outputs.main_package == 'true') || (needs.check-changes.outputs.sgl_kernel == 'true'))
        )
      )
    runs-on: ${{ needs.check-changes.outputs.b200_runner }}
    timeout-minutes: 240
    strategy:
      fail-fast: false

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.pr_head_sha || inputs.git_ref || github.sha }}

      - uses: ./.github/actions/check-stage-health

      - uses: ./.github/actions/check-maintenance

      - name: Download artifacts
        if: needs.check-changes.outputs.sgl_kernel == 'true'
        uses: actions/download-artifact@v6
        with:
          path: sgl-kernel/dist/
          merge-multiple: true
          pattern: wheel-python3.10-cuda12.9

      - name: Install dependencies
        timeout-minutes: 20
        run: |
          CUSTOM_BUILD_SGL_KERNEL=${{needs.check-changes.outputs.sgl_kernel}} bash scripts/ci/cuda/ci_install_dependency.sh

      - name: Run test
        timeout-minutes: 30
        env:
          CONTINUE_ON_ERROR_FLAG: ${{ needs.check-changes.outputs.continue_on_error == 'true' && '--continue-on-error' || '' }}
        run: |
          cd test
          python3 run_suite.py --hw cuda --suite stage-b-test-4-gpu-b200 $CONTINUE_ON_ERROR_FLAG

      - name: Run FA4 jit_kernel tests (SM100+)
        timeout-minutes: 10
        run: |
          python3 -m pytest -q python/sglang/jit_kernel/tests/test_flash_attention_4.py

      - uses: ./.github/actions/upload-cuda-coredumps
        if: always()

  call-multimodal-gen-tests:
    needs: [check-changes, call-gate, sgl-kernel-build-wheels]
    if: |
      always() &&
      !cancelled() &&
      (
        inputs.target_stage == 'multimodal-gen-test-1-gpu' ||
        inputs.target_stage == 'multimodal-gen-test-2-gpu' ||
        inputs.target_stage == 'multimodal-gen-test-1-b200' ||
        inputs.target_stage == 'multimodal-gen-unit-test' ||
        (
          !inputs.target_stage &&
          ((github.event_name == 'schedule' || inputs.test_parallel_dispatch == true) || (!failure() && !cancelled())) &&
          needs.check-changes.outputs.multimodal_gen == 'true'
        )
      )
    uses: ./.github/workflows/pr-test-multimodal-gen.yml
    with:
      multimodal_gen: ${{ needs.check-changes.outputs.multimodal_gen }}
      sgl_kernel: ${{ needs.check-changes.outputs.sgl_kernel }}
      b200_runner: ${{ needs.check-changes.outputs.b200_runner }}
      continue_on_error: ${{ needs.check-changes.outputs.continue_on_error }}
      pr_head_sha: ${{ inputs.pr_head_sha || '' }}
      git_ref: ${{ inputs.git_ref || '' }}
      target_stage: ${{ inputs.target_stage || '' }}
      test_parallel_dispatch: ${{ inputs.test_parallel_dispatch == true && 'true' || 'false' }}
      caller_needs_failure: ${{ (needs.call-gate.result == 'failure' || needs.sgl-kernel-build-wheels.result == 'failure' || needs.check-changes.result == 'failure') && 'true' || 'false' }}
      skip_stage_health_check: ${{ inputs.skip_stage_health_check == true && 'true' || 'false' }}
    secrets: inherit

  stage-c-test-4-gpu-h100:
    needs: [check-changes, call-gate, wait-for-stage-b]
    if: |
      always() &&
      (
        (inputs.target_stage == 'stage-c-test-4-gpu-h100') ||
        (
          !inputs.target_stage &&
          ((github.event_name == 'schedule' || inputs.test_parallel_dispatch == true) || (!failure() && !cancelled())) &&
          ((needs.check-changes.outputs.main_package == 'true') || (needs.check-changes.outputs.sgl_kernel == 'true'))
        )
      )
    runs-on: 4-gpu-h100
    timeout-minutes: 240
    strategy:
      fail-fast: false
      matrix:
        part: [0, 1, 2]
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.pr_head_sha || inputs.git_ref || github.sha }}

      - uses: ./.github/actions/check-stage-health

      - uses: ./.github/actions/check-maintenance

      - name: Download artifacts
        if: needs.check-changes.outputs.sgl_kernel == 'true'
        uses: actions/download-artifact@v4
        with:
          path: sgl-kernel/dist/
          merge-multiple: true
          pattern: wheel-python3.10-cuda12.9

      - name: Install dependencies
        timeout-minutes: 20
        run: |
          CUSTOM_BUILD_SGL_KERNEL=${{needs.check-changes.outputs.sgl_kernel}} bash scripts/ci/cuda/ci_install_dependency.sh

      - name: Run test
        timeout-minutes: 30
        env:
          CONTINUE_ON_ERROR_FLAG: ${{ needs.check-changes.outputs.continue_on_error == 'true' && '--continue-on-error' || '' }}
        run: |
          cd test
          python3 run_suite.py --hw cuda --suite stage-c-test-4-gpu-h100 --auto-partition-id ${{ matrix.part }} --auto-partition-size 3 $CONTINUE_ON_ERROR_FLAG

      - uses: ./.github/actions/upload-cuda-coredumps
        if: always()
        with:
          artifact-suffix: ${{ matrix.part }}

  stage-c-test-8-gpu-h200:
    needs: [check-changes, call-gate, wait-for-stage-b]
    if: |
      always() &&
      (
        (inputs.target_stage == 'stage-c-test-8-gpu-h200') ||
        (
          !inputs.target_stage &&
          ((github.event_name == 'schedule' || inputs.test_parallel_dispatch == true) || (!failure() && !cancelled())) &&
          ((needs.check-changes.outputs.main_package == 'true') || (needs.check-changes.outputs.sgl_kernel == 'true'))
        )
      )
    runs-on: 8-gpu-h200
    timeout-minutes: 240
    strategy:
      fail-fast: false
      matrix:
        part: [0, 1, 2, 3]
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.pr_head_sha || inputs.git_ref || github.sha }}

      - uses: ./.github/actions/check-stage-health

      - uses: ./.github/actions/check-maintenance

      - name: Download artifacts
        if: needs.check-changes.outputs.sgl_kernel == 'true'
        uses: actions/download-artifact@v4
        with:
          path: sgl-kernel/dist/
          merge-multiple: true
          pattern: wheel-python3.10-cuda12.9

      - name: Install dependencies
        timeout-minutes: 20
        run: |
          CUSTOM_BUILD_SGL_KERNEL=${{needs.check-changes.outputs.sgl_kernel}} bash scripts/ci/cuda/ci_install_dependency.sh

      - name: Warmup DeepGEMM JIT Compilation
        timeout-minutes: 25
        run: |
          python3 scripts/ci/cuda/warmup_deep_gemm.py \
            deepseek-ai/DeepSeek-V3-0324:8 \
            deepseek-ai/DeepSeek-V3.2-Exp:8

      - name: Warmup Server CUDA Graphs
        timeout-minutes: 25
        run: |
          python3 scripts/ci/cuda/warmup_server.py \
            deepseek-ai/DeepSeek-V3-0324:8 \
            inclusionAI/Ring-2.5-1T:8

      - name: Run test
        timeout-minutes: 30
        env:
          CONTINUE_ON_ERROR_FLAG: ${{ needs.check-changes.outputs.continue_on_error == 'true' && '--continue-on-error' || '' }}
        run: |
          cd test
          python3 run_suite.py --hw cuda --suite stage-c-test-8-gpu-h200 --auto-partition-id ${{ matrix.part }} --auto-partition-size 4 $CONTINUE_ON_ERROR_FLAG

      - uses: ./.github/actions/upload-cuda-coredumps
        if: always()
        with:
          artifact-suffix: ${{ matrix.part }}

  stage-c-test-8-gpu-h20:
    needs: [check-changes, call-gate, wait-for-stage-b]
    if: |
      always() &&
      (
        (inputs.target_stage == 'stage-c-test-8-gpu-h20') ||
        (
          !inputs.target_stage &&
          ((github.event_name == 'schedule' || inputs.test_parallel_dispatch == true) || (!failure() && !cancelled())) &&
          ((needs.check-changes.outputs.main_package == 'true') || (needs.check-changes.outputs.sgl_kernel == 'true'))
        )
      )
    runs-on: 8-gpu-h20
    timeout-minutes: 240
    env:
      SGLANG_CI_RDMA_ALL_DEVICES: "mlx5_1,mlx5_2,mlx5_3,mlx5_4"
    strategy:
      fail-fast: false
      matrix:
        part: [0, 1]
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.pr_head_sha || inputs.git_ref || github.sha }}

      - uses: ./.github/actions/check-stage-health

      - uses: ./.github/actions/check-maintenance

      - name: Download artifacts
        if: needs.check-changes.outputs.sgl_kernel == 'true'
        uses: actions/download-artifact@v4
        with:
          path: sgl-kernel/dist/
          merge-multiple: true
          pattern: wheel-python3.10-cuda12.9

      - name: Install dependencies
        timeout-minutes: 20
        run: |
          CUSTOM_BUILD_SGL_KERNEL=${{needs.check-changes.outputs.sgl_kernel}} bash scripts/ci/cuda/ci_install_deepep.sh

      - name: Run test
        timeout-minutes: 30
        env:
          CONTINUE_ON_ERROR_FLAG: ${{ needs.check-changes.outputs.continue_on_error == 'true' && '--continue-on-error' || '' }}
        run: |
          cd test
          python3 run_suite.py --hw cuda --suite stage-c-test-8-gpu-h20 --auto-partition-id ${{ matrix.part }} --auto-partition-size 2 $CONTINUE_ON_ERROR_FLAG

      - uses: ./.github/actions/upload-cuda-coredumps
        if: always()
        with:
          artifact-suffix: ${{ matrix.part }}

  stage-c-test-deepep-4-gpu-h100:
    needs: [check-changes, call-gate, wait-for-stage-b]
    if: |
      always() &&
      (
        (inputs.target_stage == 'stage-c-test-deepep-4-gpu-h100') ||
        (
          !inputs.target_stage &&
          ((github.event_name == 'schedule' || inputs.test_parallel_dispatch == true) || (!failure() && !cancelled())) &&
          ((needs.check-changes.outputs.main_package == 'true') || (needs.check-changes.outputs.sgl_kernel == 'true'))
        )
      )
    runs-on: 4-gpu-h100
    timeout-minutes: 240
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.pr_head_sha || inputs.git_ref || github.sha }}

      - uses: ./.github/actions/check-stage-health

      - uses: ./.github/actions/check-maintenance

      - name: Download artifacts
        if: needs.check-changes.outputs.sgl_kernel == 'true'
        uses: actions/download-artifact@v4
        with:
          path: sgl-kernel/dist/
          merge-multiple: true
          pattern: wheel-python3.10-cuda12.9

      - name: Install dependencies
        timeout-minutes: 20
        run: |
          CUSTOM_BUILD_SGL_KERNEL=${{needs.check-changes.outputs.sgl_kernel}} bash scripts/ci/cuda/ci_install_deepep.sh

      - name: Warmup DeepGEMM JIT Compilation
        timeout-minutes: 25
        run: |
          python3 scripts/ci/cuda/warmup_deep_gemm.py \
            lmsys/sglang-ci-dsv3-test:4

      - name: Warmup Server CUDA Graphs
        timeout-minutes: 25
        run: |
          python3 scripts/ci/cuda/warmup_server.py \
            lmsys/sglang-ci-dsv3-test:4

      - name: Run test
        timeout-minutes: 30
        env:
          CONTINUE_ON_ERROR_FLAG: ${{ needs.check-changes.outputs.continue_on_error == 'true' && '--continue-on-error' || '' }}
        run: |
          cd test
          python3 run_suite.py --hw cuda --suite stage-c-test-deepep-4-gpu-h100 $CONTINUE_ON_ERROR_FLAG

      - uses: ./.github/actions/upload-cuda-coredumps
        if: always()

  stage-c-test-deepep-8-gpu-h200:
    needs: [check-changes, call-gate, wait-for-stage-b]
    if: |
      always() &&
      (
        (inputs.target_stage == 'stage-c-test-deepep-8-gpu-h200') ||
        (
          !inputs.target_stage &&
          ((github.event_name == 'schedule' || inputs.test_parallel_dispatch == true) || (!failure() && !cancelled())) &&
          ((needs.check-changes.outputs.main_package == 'true') || (needs.check-changes.outputs.sgl_kernel == 'true'))
        )
      )
    runs-on: 8-gpu-h200
    timeout-minutes: 240
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.pr_head_sha || inputs.git_ref || github.sha }}

      - uses: ./.github/actions/check-stage-health

      - uses: ./.github/actions/check-maintenance

      - name: Download artifacts
        if: needs.check-changes.outputs.sgl_kernel == 'true'
        uses: actions/download-artifact@v4
        with:
          path: sgl-kernel/dist/
          merge-multiple: true
          pattern: wheel-python3.10-cuda12.9

      - name: Install dependencies
        timeout-minutes: 20
        run: |
          CUSTOM_BUILD_SGL_KERNEL=${{needs.check-changes.outputs.sgl_kernel}} bash scripts/ci/cuda/ci_install_deepep.sh

      - name: Warmup DeepGEMM JIT Compilation
        timeout-minutes: 25
        run: |
          python3 scripts/ci/cuda/warmup_deep_gemm.py \
            deepseek-ai/DeepSeek-V3-0324:8 \
            deepseek-ai/DeepSeek-V3.2-Exp:8

      - name: Warmup Server CUDA Graphs
        timeout-minutes: 25
        run: |
          python3 scripts/ci/cuda/warmup_server.py \
            deepseek-ai/DeepSeek-V3-0324:8

      - name: Run test
        timeout-minutes: 45
        env:
          CONTINUE_ON_ERROR_FLAG: ${{ needs.check-changes.outputs.continue_on_error == 'true' && '--continue-on-error' || '' }}
        run: |
          cd test
          python3 run_suite.py --hw cuda --suite stage-c-test-deepep-8-gpu-h200 $CONTINUE_ON_ERROR_FLAG

      - uses: ./.github/actions/upload-cuda-coredumps
        if: always()

  stage-c-test-4-gpu-b200:
    needs: [check-changes, call-gate, wait-for-stage-b]
    if: |
      always() &&
      (
        (inputs.target_stage == 'stage-c-test-4-gpu-b200') ||
        (
          !inputs.target_stage &&
          ((github.event_name == 'schedule' || inputs.test_parallel_dispatch == true) || (!failure() && !cancelled())) &&
          ((needs.check-changes.outputs.main_package == 'true') || (needs.check-changes.outputs.sgl_kernel == 'true'))
        )
      )
    runs-on: ${{ needs.check-changes.outputs.b200_runner }}
    timeout-minutes: 240
    strategy:
      fail-fast: false
      matrix:
        part: [0, 1, 2, 3]

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.pr_head_sha || inputs.git_ref || github.sha }}

      - uses: ./.github/actions/check-stage-health

      - uses: ./.github/actions/check-maintenance

      - name: Download artifacts
        if: needs.check-changes.outputs.sgl_kernel == 'true'
        uses: actions/download-artifact@v6
        with:
          path: sgl-kernel/dist/
          merge-multiple: true
          pattern: wheel-python3.10-cuda12.9

      - name: Install dependencies
        timeout-minutes: 20
        run: |
          CUSTOM_BUILD_SGL_KERNEL=${{needs.check-changes.outputs.sgl_kernel}} bash scripts/ci/cuda/ci_install_dependency.sh

      - name: Run test
        timeout-minutes: 30
        env:
          CONTINUE_ON_ERROR_FLAG: ${{ needs.check-changes.outputs.continue_on_error == 'true' && '--continue-on-error' || '' }}
        run: |
          cd test
          python3 run_suite.py --hw cuda --suite stage-c-test-4-gpu-b200 --auto-partition-id ${{ matrix.part }} --auto-partition-size 4 --timeout-per-file 1800 $CONTINUE_ON_ERROR_FLAG

      - uses: ./.github/actions/upload-cuda-coredumps
        if: always()
        with:
          artifact-suffix: ${{ matrix.part }}

  # NOTE: GB200 stage temporarily disabled — no company-owned GB200 runner available yet.
  # Re-enable when a 4-gpu-gb200 runner is provisioned.
  # stage-c-test-4-gpu-gb200:
  #   needs: [check-changes, call-gate, wait-for-stage-b, sgl-kernel-build-wheels-arm]
  #   if: |
  #     always() &&
  #     (
  #       (inputs.target_stage == 'stage-c-test-4-gpu-gb200') ||
  #       (
  #         !inputs.target_stage &&
  #         ((github.event_name == 'schedule' || inputs.test_parallel_dispatch == true) || (!failure() && !cancelled())) &&
  #         ((needs.check-changes.outputs.main_package == 'true') || (needs.check-changes.outputs.sgl_kernel == 'true'))
  #       )
  #     )
  #   runs-on: 4-gpu-gb200
  #   timeout-minutes: 240
  #   strategy:
  #     fail-fast: false
  #   steps:
  #     - uses: ./.github/actions/check-maintenance
  #       with:
  #         github-token: ${{ github.token }}
  #
  #     - name: Checkout code
  #       uses: actions/checkout@v4
  #       with:
  #         ref: ${{ inputs.pr_head_sha || inputs.git_ref || github.sha }}
  #
  #     - name: Download artifacts
  #       if: needs.check-changes.outputs.sgl_kernel == 'true'
  #       uses: actions/download-artifact@v4
  #       with:
  #         path: sgl-kernel/dist/
  #         merge-multiple: true
  #         pattern: wheel-python3.10-cuda12.9-aarch64
  #
  #     - name: Install dependencies
  #       timeout-minutes: 20
  #       run: |
  #         CUSTOM_BUILD_SGL_KERNEL=${{needs.check-changes.outputs.sgl_kernel}} GRACE_BLACKWELL=1 bash scripts/ci/cuda/ci_install_deepep.sh
  #
  #     - name: Run test
  #       timeout-minutes: 45
  #       env:
  #         CONTINUE_ON_ERROR_FLAG: ${{ needs.check-changes.outputs.continue_on_error == 'true' && '--continue-on-error' || '' }}
  #       run: |
  #         cd test
  #         python3 run_suite.py --hw cuda --suite stage-c-test-4-gpu-gb200 --timeout-per-file 3600 $CONTINUE_ON_ERROR_FLAG
  #
  #     - uses: ./.github/actions/upload-cuda-coredumps
  #       if: always()

  pr-test-finish:
    needs:
      [
        call-gate,
        check-changes,

        sgl-kernel-build-wheels,
        sgl-kernel-build-wheels-arm,
        call-sgl-kernel-tests,

        wait-for-stage-a,
        wait-for-stage-b,

        call-jit-kernel-tests,

        call-multimodal-gen-tests,

        stage-a-test-1-gpu-small,
        stage-a-test-cpu,
        stage-b-test-1-gpu-small,
        stage-b-test-1-gpu-large,
        stage-b-test-2-gpu-large,
        stage-b-test-4-gpu-b200,
        stage-c-test-4-gpu-h100,
        stage-c-test-8-gpu-h20,
        stage-c-test-8-gpu-h200,
        stage-c-test-deepep-4-gpu-h100,
        stage-c-test-deepep-8-gpu-h200,
        stage-c-test-4-gpu-b200,
        # stage-c-test-4-gpu-gb200,  # Temporarily disabled — no GB200 runner
      ]
    if: always()
    runs-on: ubuntu-latest
    steps:
      - name: Check all dependent job statuses
        run: |
          # Convert the 'needs' context to a JSON string
          json_needs='${{ toJson(needs) }}'

          # Get a list of all job names from the JSON keys
          job_names=$(echo "$json_needs" | jq -r 'keys_unsorted[]')

          for job in $job_names; do
            # For each job, extract its result
            result=$(echo "$json_needs" | jq -r --arg j "$job" '.[$j].result')

            # Print the job name and its result
            echo "$job: $result"

            # Check for failure or cancellation and exit if found
            if [[ "$result" == "failure" || "$result" == "cancelled" ]]; then
              echo "The above jobs failed."
              exit 1
            fi
          done
          # If the loop completes, all jobs were successful
          echo "All jobs completed successfully"
          exit 0