Skip unaffected third-party CI builds

.github/workflows/ci-workflow-pull-request.yml

@@ -56,19 +56,6 @@ jobs:
       pytorch_enabled: ${{ steps.export-flags.outputs.pytorch_enabled }}
       branch_notes_dirt: ${{ steps.branch-notes-dirt.outputs.branch_notes_dirt }}
     steps:
-      - name: Export workflow flags
-        id: export-flags
-        env:
-          skip_tpt: ${{ contains(github.event.head_commit.message, '[bench-only]') || contains(github.event.head_commit.message, '[skip-tpt]') || contains(github.event.head_commit.message, '[skip-third-party-testing]') }}
-        run: |
-          output() { echo "$1=$2" | tee -a "${GITHUB_OUTPUT}"; }
-
-          output matrix_enabled  "${{ !contains(github.event.head_commit.message, '[bench-only]') && !contains(github.event.head_commit.message, '[skip-matrix]') }}"
-          output vdc_enabled     "${{ !contains(github.event.head_commit.message, '[bench-only]') && !contains(github.event.head_commit.message, '[skip-vdc]') }}"
-          output docs_enabled    "${{ !contains(github.event.head_commit.message, '[bench-only]') && !contains(github.event.head_commit.message, '[skip-docs]') }}"
-          output rapids_enabled  "${{ !contains(github.event.head_commit.message, '[skip-rapids]')  && !fromJSON(env.skip_tpt) }}"
-          output matx_enabled    "${{ !contains(github.event.head_commit.message, '[skip-matx]')    && !fromJSON(env.skip_tpt) }}"
-          output pytorch_enabled "${{ !contains(github.event.head_commit.message, '[skip-pytorch]') && !fromJSON(env.skip_tpt) }}"
       - name: Checkout repo
         uses: actions/checkout@v6
         with:
@@ -87,6 +74,27 @@ jobs:
           echo "pr_number=${{ fromJSON(steps.get-pr-info.outputs.pr-info).number }}" | tee -a "${GITHUB_OUTPUT}"
           git fetch origin "${BASE_SHA}" -q
           echo "merge_base_sha=$(git merge-base "${BASE_SHA}" "${GITHUB_SHA}")" | tee -a "${GITHUB_OUTPUT}"
+      - name: Inspect changes for third-party tests
+        id: inspect-third-party-changes
+        env:
+          BASE_SHA: ${{ steps.export-pr-info.outputs.base_sha }}
+        run: |
+          # This also runs when the main matrix is disabled with [skip-matrix].
+          ./ci/inspect_changes.py --refs "${BASE_SHA}" "${GITHUB_SHA}"
+      - name: Export workflow flags
+        id: export-flags
+        env:
+          dirty_projects: ${{ format(' {0} {1} ', steps.inspect-third-party-changes.outputs.FULL_BUILD, steps.inspect-third-party-changes.outputs.LITE_BUILD) }}
+          skip_tpt: ${{ contains(github.event.head_commit.message, '[bench-only]') || contains(github.event.head_commit.message, '[skip-tpt]') || contains(github.event.head_commit.message, '[skip-third-party-testing]') }}
+        run: |
+          output() { echo "$1=$2" | tee -a "${GITHUB_OUTPUT}"; }
+
+          output matrix_enabled  "${{ !contains(github.event.head_commit.message, '[bench-only]') && !contains(github.event.head_commit.message, '[skip-matrix]') }}"
+          output vdc_enabled     "${{ !contains(github.event.head_commit.message, '[bench-only]') && !contains(github.event.head_commit.message, '[skip-vdc]') }}"
+          output docs_enabled    "${{ !contains(github.event.head_commit.message, '[bench-only]') && !contains(github.event.head_commit.message, '[skip-docs]') }}"
+          output rapids_enabled  "${{ contains(env.dirty_projects, ' rapids ') && !contains(github.event.head_commit.message, '[skip-rapids]')  && !fromJSON(env.skip_tpt) }}"
+          output matx_enabled    "${{ contains(env.dirty_projects, ' matx ') && !contains(github.event.head_commit.message, '[skip-matx]')    && !fromJSON(env.skip_tpt) }}"
+          output pytorch_enabled "${{ contains(env.dirty_projects, ' pytorch ') && !contains(github.event.head_commit.message, '[skip-pytorch]') && !fromJSON(env.skip_tpt) }}"
       - name: Build benchmark dispatch matrix
         id: build-bench-matrix
         run: |

ci/project_files_and_dependencies.yaml

@@ -46,7 +46,10 @@ projects:
     name: "libcu++ Public API"
     lite_dependencies: ['thrust_public', 'cub_public']
     full_dependencies: []
-    include_regexes: ["libcudacxx/include/"]
+    include_regexes:
+      - "libcudacxx/include/"
+      - "libcudacxx/CMakeLists\\.txt$"
+      - "libcudacxx/cmake/libcudacxxAddSubdir\\.cmake$"
 
   libcudacxx_internal:
     name: "libcu++ Tests/Infra"
@@ -61,7 +64,10 @@ projects:
     name: "CUB Public API"
     lite_dependencies: [libcudacxx_public, thrust_public]
     full_dependencies: []
-    include_regexes: ["cub/cub/"]
+    include_regexes:
+      - "cub/cub/"
+      - "cub/CMakeLists\\.txt$"
+      - "cub/cmake/CubAddSubdir\\.cmake$"
 
   cub_internal:
     name: "CUB Tests/Infra"
@@ -76,7 +82,10 @@ projects:
     name: "Thrust Public API"
     lite_dependencies: [libcudacxx_public, cub_public]
     full_dependencies: []
-    include_regexes: ["thrust/thrust/"]
+    include_regexes:
+      - "thrust/thrust/"
+      - "thrust/CMakeLists\\.txt$"
+      - "thrust/cmake/ThrustAddSubdir\\.cmake$"
 
   thrust_internal:
     name: "Thrust Tests/Infra"
@@ -248,6 +257,33 @@ projects:
     full_dependencies: []
     include_regexes: ["nvrtcc/"]
 
+  matx:
+    name: "MatX"
+    matrix_project: "matx"
+    lite_dependencies: [libcudacxx_public, cub_public, thrust_public]
+    full_dependencies: []
+    include_regexes:
+      - '\.github/workflows/build-matx\.yml'
+      - 'ci/matx/'
+
+  pytorch:
+    name: "PyTorch"
+    matrix_project: "pytorch"
+    lite_dependencies: [libcudacxx_public, cub_public, thrust_public]
+    full_dependencies: []
+    include_regexes:
+      - '\.github/workflows/build-pytorch\.yml'
+      - 'ci/pytorch/'
+
+  rapids:
+    name: "RAPIDS"
+    matrix_project: "rapids"
+    lite_dependencies: [libcudacxx_public, cub_public, thrust_public]
+    full_dependencies: []
+    include_regexes:
+      - '\.github/workflows/build-rapids\.yml'
+      - 'ci/rapids/'
+
   # This is a dummy project, and only really serves to encode dependencies. Any time any
   # of the C/C++ projects are modified, we want to launch one (and only one) clang-tidy
   # job for the whole of CCCL.
@@ -297,9 +333,6 @@ ignore_regexes:
   - '\.github/workflows/bench.*\.yml'
   - '\.github/workflows/compile-time-bench\.yml'
   - '\.github/workflows/build-docs\.yml'
-  - '\.github/workflows/build-matx\.yml'
-  - '\.github/workflows/build-pytorch\.yml'
-  - '\.github/workflows/build-rapids\.yml'
   - '\.github/workflows/git-bisect\.yml'
   - '\.github/workflows/project_automation.*\.yml'
   - '\.github/workflows/release.*\.yml'
@@ -311,7 +344,4 @@ ignore_regexes:
   - 'cccl-version.json'
   - 'ci/bench/'
   - 'ci/bench.+yaml'
-  - 'ci/matx/'
-  - 'ci/pytorch/'
-  - 'ci/rapids/'
   - 'docs/'

ci/test/inspect_changes/cmake_near_misses.dirty_files

@@ -0,0 +1,6 @@
+libcudacxx/CMakeLists.txt.bak
+libcudacxx/cmake/libcudacxxAddSubdir.cmake.bak
+cub/CMakeLists.txt.bak
+cub/cmake/CubAddSubdir.cmake.bak
+thrust/CMakeLists.txt.bak
+thrust/cmake/ThrustAddSubdir.cmake.bak

ci/test/inspect_changes/cmake_near_misses.output

@@ -0,0 +1,2 @@
+FULL_BUILD=libcudacxx cub thrust tidy
+LITE_BUILD=packaging

ci/test/inspect_changes/core_dirty.output

@@ -1,2 +1,2 @@
-FULL_BUILD=libcudacxx cub thrust cudax cccl_c_parallel cccl_c_parallel_v2 python_v2 python_tsan cccl_c_stf python cuda_coop_python packaging stdpar nvbench_helper nvrtcc tidy
+FULL_BUILD=libcudacxx cub thrust cudax cccl_c_parallel cccl_c_parallel_v2 python_v2 python_tsan cccl_c_stf python cuda_coop_python packaging stdpar nvbench_helper nvrtcc matx pytorch rapids tidy
 LITE_BUILD=

ci/test/inspect_changes/cub_cmake_add_subdir.dirty_files

@@ -0,0 +1 @@
+cub/cmake/CubAddSubdir.cmake

ci/test/inspect_changes/cub_cmake_add_subdir.output

@@ -0,0 +1,2 @@
+FULL_BUILD=cub tidy
+LITE_BUILD=libcudacxx thrust cudax cccl_c_parallel cccl_c_parallel_v2 python_v2 python_tsan cccl_c_stf python cuda_coop_python packaging stdpar nvbench_helper matx pytorch rapids

ci/test/inspect_changes/cub_cmake_lists.dirty_files

@@ -0,0 +1 @@
+cub/CMakeLists.txt

ci/test/inspect_changes/cub_cmake_lists.output

@@ -0,0 +1,2 @@
+FULL_BUILD=cub tidy
+LITE_BUILD=libcudacxx thrust cudax cccl_c_parallel cccl_c_parallel_v2 python_v2 python_tsan cccl_c_stf python cuda_coop_python packaging stdpar nvbench_helper matx pytorch rapids

ci/test/inspect_changes/cub_public_only.dirty_files

@@ -0,0 +1 @@
+cub/cub/block/block_reduce.cuh

ci/test/inspect_changes/cub_public_only.output

@@ -0,0 +1,2 @@
+FULL_BUILD=cub tidy
+LITE_BUILD=libcudacxx thrust cudax cccl_c_parallel cccl_c_parallel_v2 python_v2 python_tsan cccl_c_stf python cuda_coop_python packaging stdpar nvbench_helper matx pytorch rapids

ci/test/inspect_changes/cub_thrust_internal_only.dirty_files

@@ -0,0 +1,2 @@
+cub/test/catch2_test_block_reduce.cu
+thrust/testing/reduce.cu

ci/test/inspect_changes/cub_thrust_internal_only.output

@@ -0,0 +1,2 @@
+FULL_BUILD=cub thrust tidy
+LITE_BUILD=packaging

ci/test/inspect_changes/cudax_public_only.dirty_files

@@ -0,0 +1 @@
+cudax/include/cuda/experimental/stf.cuh

ci/test/inspect_changes/cudax_public_only.output

@@ -0,0 +1,2 @@
+FULL_BUILD=cudax tidy
+LITE_BUILD=cccl_c_stf python packaging

ci/test/inspect_changes/ignored_only.dirty_files

@@ -1,2 +1,4 @@
 docs/index.rst
+README.md
+.github/actions/docs-build/action.yml
 cudax/LICENSE.TXT

ci/test/inspect_changes/libcudacxx_both.output

@@ -1,2 +1,2 @@
 FULL_BUILD=libcudacxx tidy
-LITE_BUILD=cub thrust cudax cccl_c_parallel cccl_c_parallel_v2 python_v2 python_tsan cccl_c_stf python cuda_coop_python packaging stdpar nvbench_helper
+LITE_BUILD=cub thrust cudax cccl_c_parallel cccl_c_parallel_v2 python_v2 python_tsan cccl_c_stf python cuda_coop_python packaging stdpar nvbench_helper matx pytorch rapids

ci/test/inspect_changes/libcudacxx_cmake_add_subdir.dirty_files

@@ -0,0 +1 @@
+libcudacxx/cmake/libcudacxxAddSubdir.cmake

ci/test/inspect_changes/libcudacxx_cmake_add_subdir.output

@@ -0,0 +1,2 @@
+FULL_BUILD=libcudacxx tidy
+LITE_BUILD=cub thrust cudax cccl_c_parallel cccl_c_parallel_v2 python_v2 python_tsan cccl_c_stf python cuda_coop_python packaging stdpar nvbench_helper matx pytorch rapids

ci/test/inspect_changes/libcudacxx_cmake_lists.dirty_files

@@ -0,0 +1 @@
+libcudacxx/CMakeLists.txt

ci/test/inspect_changes/libcudacxx_cmake_lists.output

@@ -0,0 +1,2 @@
+FULL_BUILD=libcudacxx tidy
+LITE_BUILD=cub thrust cudax cccl_c_parallel cccl_c_parallel_v2 python_v2 python_tsan cccl_c_stf python cuda_coop_python packaging stdpar nvbench_helper matx pytorch rapids

ci/test/inspect_changes/libcudacxx_internal_only.dirty_files

@@ -1 +1 @@
-libcudacxx/CMakeLists.txt
+libcudacxx/test/support/test_macros.h

ci/test/inspect_changes/libcudacxx_public_only.output

@@ -1,2 +1,2 @@
 FULL_BUILD=libcudacxx tidy
-LITE_BUILD=cub thrust cudax cccl_c_parallel cccl_c_parallel_v2 python_v2 python_tsan cccl_c_stf python cuda_coop_python packaging stdpar nvbench_helper
+LITE_BUILD=cub thrust cudax cccl_c_parallel cccl_c_parallel_v2 python_v2 python_tsan cccl_c_stf python cuda_coop_python packaging stdpar nvbench_helper matx pytorch rapids

ci/test/inspect_changes/libcudacxx_thrust.output

@@ -1,2 +1,2 @@
 FULL_BUILD=libcudacxx thrust tidy
-LITE_BUILD=cub cudax cccl_c_parallel cccl_c_parallel_v2 python_v2 python_tsan cccl_c_stf python cuda_coop_python packaging stdpar nvbench_helper
+LITE_BUILD=cub cudax cccl_c_parallel cccl_c_parallel_v2 python_v2 python_tsan cccl_c_stf python cuda_coop_python packaging stdpar nvbench_helper matx pytorch rapids

ci/test/inspect_changes/mixed_ignored_and_header.dirty_files

@@ -0,0 +1,3 @@
+docs/index.rst
+README.md
+libcudacxx/include/cuda/std/algorithm

ci/test/inspect_changes/mixed_ignored_and_header.output

@@ -0,0 +1,2 @@
+FULL_BUILD=libcudacxx tidy
+LITE_BUILD=cub thrust cudax cccl_c_parallel cccl_c_parallel_v2 python_v2 python_tsan cccl_c_stf python cuda_coop_python packaging stdpar nvbench_helper matx pytorch rapids

ci/test/inspect_changes/third_party_matx_script.dirty_files

@@ -0,0 +1 @@
+ci/matx/build_matx.sh

ci/test/inspect_changes/third_party_matx_script.output

@@ -0,0 +1,2 @@
+FULL_BUILD=matx
+LITE_BUILD=

ci/test/inspect_changes/third_party_matx_workflow.dirty_files

@@ -0,0 +1 @@
+.github/workflows/build-matx.yml

ci/test/inspect_changes/third_party_matx_workflow.output

@@ -0,0 +1,2 @@
+FULL_BUILD=matx
+LITE_BUILD=

ci/test/inspect_changes/third_party_pytorch_script.dirty_files

@@ -0,0 +1 @@
+ci/pytorch/build_pytorch.sh

ci/test/inspect_changes/third_party_pytorch_script.output

@@ -0,0 +1,2 @@
+FULL_BUILD=pytorch
+LITE_BUILD=

ci/test/inspect_changes/third_party_pytorch_workflow.dirty_files

@@ -0,0 +1 @@
+.github/workflows/build-pytorch.yml

ci/test/inspect_changes/third_party_pytorch_workflow.output

@@ -0,0 +1,2 @@
+FULL_BUILD=pytorch
+LITE_BUILD=

ci/test/inspect_changes/third_party_rapids_script.dirty_files

@@ -0,0 +1 @@
+ci/rapids/rapids-entrypoint.sh

ci/test/inspect_changes/third_party_rapids_script.output

@@ -0,0 +1,2 @@
+FULL_BUILD=rapids
+LITE_BUILD=

ci/test/inspect_changes/third_party_rapids_workflow.dirty_files

@@ -0,0 +1 @@
+.github/workflows/build-rapids.yml

ci/test/inspect_changes/third_party_rapids_workflow.output

@@ -0,0 +1,2 @@
+FULL_BUILD=rapids
+LITE_BUILD=

ci/test/inspect_changes/thrust_cmake_add_subdir.dirty_files

@@ -0,0 +1 @@
+thrust/cmake/ThrustAddSubdir.cmake

ci/test/inspect_changes/thrust_cmake_add_subdir.output

@@ -0,0 +1,2 @@
+FULL_BUILD=thrust tidy
+LITE_BUILD=libcudacxx cub cudax cccl_c_parallel cccl_c_parallel_v2 python_v2 python_tsan cccl_c_stf python cuda_coop_python packaging stdpar nvbench_helper matx pytorch rapids

ci/test/inspect_changes/thrust_cmake_lists.dirty_files

@@ -0,0 +1 @@
+thrust/CMakeLists.txt

ci/test/inspect_changes/thrust_cmake_lists.output

@@ -0,0 +1,2 @@
+FULL_BUILD=thrust tidy
+LITE_BUILD=libcudacxx cub cudax cccl_c_parallel cccl_c_parallel_v2 python_v2 python_tsan cccl_c_stf python cuda_coop_python packaging stdpar nvbench_helper matx pytorch rapids

ci/test/inspect_changes/thrust_public_only.dirty_files

@@ -0,0 +1 @@
+thrust/thrust/reduce.h

ci/test/inspect_changes/thrust_public_only.output

@@ -0,0 +1,2 @@
+FULL_BUILD=thrust tidy
+LITE_BUILD=libcudacxx cub cudax cccl_c_parallel cccl_c_parallel_v2 python_v2 python_tsan cccl_c_stf python cuda_coop_python packaging stdpar nvbench_helper matx pytorch rapids