[CI] Build & run CTS separately (#16460)

Gen12 takes ~90min to build and run SYCL-CTS, where run takes less than
10mins. This patch updates workflows to build the suite on PVC and then
upload artifacts to required machines.

.github/workflows/sycl-linux-run-tests.yml

@@ -79,7 +79,7 @@ on:
         type: string
         default: 'default'
       retention-days:
-        description: 'E2E binaries artifact retention period.'
+        description: 'E2E/SYCL-CTS binaries artifact retention period.'
         type: string
         default: 1
 
@@ -102,6 +102,19 @@ on:
         default: 'false'
         required: False
 
+      cts_testing_mode:
+        description: |
+          Testing mode to run SYCL-CTS in, can be either `full`, `build-only`
+          or `run-only`. In `build-only` mode an artifact of the CTS binaries
+          will be uploaded.
+        type: string
+        default: 'full'
+
+      sycl_cts_artifact:
+        type: string
+        default: ''
+        required: False
+
   workflow_dispatch:
     inputs:
       runner:
@@ -147,7 +160,7 @@ on:
           LIT_OPTS won't work as we redefine it as part of this workflow.
 
           For SYCL CTS - CTS_TESTS_TO_BUILD to specify which categories to
-          build.
+          build, e.g. {"CTS_TESTS_TO_BUILD":"test_category1 test_category2..."}.
 
           Format: '{"VAR1":"VAL1","VAR2":"VAL2",...}'
         default: '{}'
@@ -340,7 +353,7 @@ jobs:
         fi
         exit $exit_code
     - name: Build SYCL CTS tests
-      if: inputs.tests_selector == 'cts'
+      if: inputs.tests_selector == 'cts' && inputs.sycl_cts_artifact == ''
       env:
         CMAKE_EXTRA_ARGS: ${{ inputs.extra_cmake_args }}
       run: |
@@ -372,17 +385,64 @@ jobs:
         # "test_conformance" target skips building "test_all" executable.
         ninja -C build-cts -k0 $( [ -n "$CTS_TESTS_TO_BUILD" ] && echo "$CTS_TESTS_TO_BUILD" || echo "test_conformance")
 
+    - name: Pack SYCL-CTS binaries
+      if: always() && !cancelled() && inputs.cts_testing_mode == 'build-only'
+      run: tar -I 'zstd -9' -cf sycl_cts_bin.tar.zst -C ./build-cts/bin .
+
+    - name: Upload SYCL-CTS binaries
+      if: always() && !cancelled() && inputs.cts_testing_mode == 'build-only'
+      uses: actions/upload-artifact@v4
+      with:
+        name: sycl_cts_bin
+        path: sycl_cts_bin.tar.zst
+        retention-days: ${{ inputs.retention-days }}
+
+    - name: Download SYCL-CTS binaries
+      if: inputs.sycl_cts_artifact != ''
+      uses: actions/download-artifact@v4
+      with:
+        name: ${{ inputs.sycl_cts_artifact }}
+
+    - name: Extract SYCL-CTS binaries
+      if: inputs.sycl_cts_artifact != ''
+      run: |
+        mkdir -p build-cts/bin
+        tar -I 'zstd' -xf sycl_cts_bin.tar.zst -C build-cts/bin
+
     - name: SYCL CTS List devices
       # Proceed with execution even if the 'build' step did not succeed.
-      if: inputs.tests_selector == 'cts' && (success() || failure())
+      if: inputs.tests_selector == 'cts' && (always() && !cancelled()) && inputs.cts_testing_mode != 'build-only'
       env:
         ONEAPI_DEVICE_SELECTOR: ${{ inputs.target_devices }}
       run: |
         ./build-cts/bin/* --list-devices
 
+    # If the suite was built on another machine then the build contains the full
+    # set of tests. We have special files to filter out some test categories,
+    # see "devops/cts_exclude_filter_*". Each configuration has its own file, e.g.
+    # there is "cts_exclude_filter_OCL_CPU" for opencl:cpu device. Therefore,
+    # these files may differ from each other, so when there is a pre-built set of
+    # tests, we need to filter it according to the filter-file.
+    - name: Filter SYCL CTS test categories
+      if: inputs.sycl_cts_artifact != ''
+      shell: bash
+      run: |
+        cts_exclude_filter=""
+        if [ "${{ contains(inputs.target_devices, 'opencl:cpu')  }}" = "true" ]; then
+          cts_exclude_filter=$PWD/devops/cts_exclude_filter_OCL_CPU
+        elif [ "${{ contains(inputs.target_devices, 'level_zero:gpu')  }}" = "true" ]; then
+          cts_exclude_filter=$PWD/devops/cts_exclude_filter_L0_GPU
+        fi
+
+        while IFS= read -r line; do
+          if [[ $line != \#* ]]; then
+            rm "./build-cts/bin/test_$line"
+          fi
+        done < "$cts_exclude_filter"
+
     - name: Run SYCL CTS tests
       # Proceed with execution even if the previous two steps did not succeed.
-      if: inputs.tests_selector == 'cts' && (success() || failure())
+      if: inputs.tests_selector == 'cts' && (always() && !cancelled()) && inputs.cts_testing_mode != 'build-only'
       env:
         ONEAPI_DEVICE_SELECTOR: ${{ inputs.target_devices }}
       # This job takes ~100min usually. But sometimes some test isn't

.github/workflows/sycl-nightly.yml

@@ -89,20 +89,6 @@ jobs:
             image_options: -u 1001
             target_devices: opencl:cpu
             tests_selector: e2e
-
-          - name: SYCL-CTS on OCL CPU
-            runner: '["Linux", "gen12"]'
-            image: ghcr.io/intel/llvm/ubuntu2404_intel_drivers:latest
-            image_options: -u 1001 --device=/dev/dri --privileged --cap-add SYS_ADMIN
-            target_devices: opencl:cpu
-            tests_selector: cts
-
-          - name: SYCL-CTS on L0 gen12
-            runner: '["Linux", "gen12"]'
-            image: ghcr.io/intel/llvm/ubuntu2404_intel_drivers:latest
-            image_options: -u 1001 --device=/dev/dri --privileged --cap-add SYS_ADMIN
-            target_devices: level_zero:gpu
-            tests_selector: cts
     uses: ./.github/workflows/sycl-linux-run-tests.yml
     with:
       name: ${{ matrix.name }}
@@ -175,6 +161,58 @@ jobs:
     with:
       mode: stop
 
+  build-sycl-cts:
+    needs: ubuntu2204_build
+    if: ${{ always() && !cancelled() && needs.ubuntu2204_build.outputs.build_conclusion == 'success' }}
+    uses: ./.github/workflows/sycl-linux-run-tests.yml
+    with:
+      name: Build SYCL-CTS
+      runner: '["Linux", "build"]'
+      cts_testing_mode: 'build-only'
+      image: ghcr.io/intel/llvm/ubuntu2404_intel_drivers:latest
+      image_options: -u 1001 --device=/dev/dri --privileged --cap-add SYS_ADMIN
+      tests_selector: cts
+      ref: ${{ github.sha }}
+      sycl_toolchain_artifact: sycl_linux_default
+      sycl_toolchain_archive: ${{ needs.ubuntu2204_build.outputs.artifact_archive_name }}
+      sycl_toolchain_decompress_command: ${{ needs.ubuntu2204_build.outputs.artifact_decompress_command }}
+
+  run-sycl-cts:
+    needs: [ubuntu2204_build, build-sycl-cts]
+    if: ${{ always() && !cancelled() && needs.ubuntu2204_build.outputs.build_conclusion == 'success' }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - name: SYCL-CTS on OCL CPU
+            runner: '["Linux", "gen12"]'
+            image: ghcr.io/intel/llvm/ubuntu2404_intel_drivers:latest
+            image_options: -u 1001 --device=/dev/dri --privileged --cap-add SYS_ADMIN
+            target_devices: opencl:cpu
+            tests_selector: cts
+
+          - name: SYCL-CTS on L0 gen12
+            runner: '["Linux", "gen12"]'
+            image: ghcr.io/intel/llvm/ubuntu2404_intel_drivers:latest
+            image_options: -u 1001 --device=/dev/dri --privileged --cap-add SYS_ADMIN
+            target_devices: level_zero:gpu
+            tests_selector: cts
+    uses: ./.github/workflows/sycl-linux-run-tests.yml
+    with:
+      name: ${{ matrix.name }}
+      runner: ${{ matrix.runner }}
+      cts_testing_mode: 'run-only'
+      image: ${{ matrix.image }}
+      image_options: ${{ matrix.image_options }}
+      target_devices: ${{ matrix.target_devices }}
+      tests_selector: ${{ matrix.tests_selector }}
+      ref: ${{ github.sha }}
+      merge_ref: ''
+      sycl_toolchain_artifact: sycl_linux_default
+      sycl_toolchain_archive: ${{ needs.ubuntu2204_build.outputs.artifact_archive_name }}
+      sycl_toolchain_decompress_command: ${{ needs.ubuntu2204_build.outputs.artifact_decompress_command }}
+      sycl_cts_artifact: sycl_cts_bin
+
   nightly_build_upload:
     name: Nightly Build Upload
     if: ${{ github.ref_name == 'sycl' }}

devops/cts_exclude_filter_L0_GPU

@@ -1,2 +1,4 @@
+# Please use "#" to add comments here.
+# Do not delete the file even if it's empty.
 # CMPLRTST-26179
 device

devops/cts_exclude_filter_OCL_CPU

@@ -0,0 +1,2 @@
+# Please use "#" to add comments here.
+# Do not delete the file even if it's empty.