CI: soft-fail back ends that can't be installed, test OpenCL.jl only on Buildkite

.buildkite/pipeline.yml

@@ -1,7 +1,11 @@
 # Tests of the KernelAbstractions-related parts of the GPU back-ends. Draft pull requests skip
 # them, unless selected by name in the last commit message: `[only cuda]`, `[only metal, oneapi]`
 # or `[only tests]` for all of them. `[skip amdgpu]` or `[skip tests]` does the opposite.
-# (`opencl` selects the OpenCL.jl tests on CUDA hardware.)
+# (`opencl` selects the OpenCL.jl tests, on PoCL and on CUDA hardware.)
+#
+# A back end whose branch can't be installed together with this KernelAbstractions (e.g.
+# because it doesn't support this KernelInterface yet) soft-fails with exit status 3,
+# instead of failing the build; test failures still fail it.
 steps:
   - label: "CUDA Julia {{matrix.version}}"
     matrix:
@@ -26,7 +30,7 @@ steps:
                 url="https://github.com/JuliaGPU/CUDA.jl"
                 rev="intrinsics"
                 subdirs = ["CUDACore", "CUDATools", "lib/cusolver", "lib/curand", "lib/cublas", "lib/cufft", "lib/cusparse", "lib/cupti", "lib/nvml", "lib/custatevec", "lib/cudnn", "lib/cutensor", "lib/cutensornet"]
-                Pkg.add([(;url, rev); [(; url, rev, subdir) for subdir in subdirs]])'
+                Pkg.add([(;url, rev); [(; url, rev, subdir) for subdir in subdirs]])' || exit 3
 
       julia -e 'println("+++ :julia: Running tests")
                 using Pkg
@@ -94,7 +98,7 @@ steps:
                 PackageSpec(; name="KernelInterface", path=joinpath(pwd(), "lib", "KernelInterface"))])' || exit 3
       julia -e 'println("--- :julia: Developing Metal")
                 using Pkg
-                Pkg.add([(; url="https://github.com/JuliaGPU/Metal.jl", rev="kaintr")])'
+                Pkg.add([(; url="https://github.com/JuliaGPU/Metal.jl", rev="kaintr")])' || exit 3
       julia -e 'println("+++ :julia: Running tests")
                 using Pkg
                 Pkg.test("Metal"; coverage=true, test_args=["kernelabstractions", "kernelinterface"])'
@@ -131,7 +135,7 @@ steps:
       julia -e 'println("--- :julia: Developing oneAPI")
                 using Pkg
                 Pkg.add(url="https://github.com/JuliaGPU/AcceleratedKernels.jl", rev="main")
-                Pkg.add(url="https://github.com/christiangnrd/oneAPI.jl", rev="intrinsics")'
+                Pkg.add(url="https://github.com/christiangnrd/oneAPI.jl", rev="intrinsics")' || exit 3
 
       julia -e 'println("+++ :julia: Running tests")
                 using Pkg
@@ -170,7 +174,7 @@ steps:
       julia -e 'println("--- :julia: Developing AMDGPU")
                 using Pkg
                 Pkg.add(url="https://github.com/JuliaGPU/AcceleratedKernels.jl", rev="main")
-                Pkg.add(url="https://github.com/christiangnrd/AMDGPU.jl", rev="intrinsics")'
+                Pkg.add(url="https://github.com/christiangnrd/AMDGPU.jl", rev="intrinsics")' || exit 3
 
       julia -e 'println("+++ :julia: Running tests")
                 using Pkg
@@ -188,7 +192,7 @@ steps:
       JULIA_PROJECT: "@amdgpu"
       JULIA_NUM_THREADS: 4
 
-  - label: "OpenCL (CUDA) Julia {{matrix.version}}"
+  - label: "OpenCL Julia {{matrix.version}}"
     matrix:
       setup:
         version:
@@ -209,11 +213,13 @@ steps:
       julia -e 'println("--- :julia: Developing OpenCL")
                 using Pkg
                 Pkg.add(url="https://github.com/JuliaGPU/OpenCL.jl", rev="intrinsics")
-                Pkg.develop(; name="SPIRVIntrinsics")'
+                Pkg.develop(; name="SPIRVIntrinsics")' || exit 3
 
       julia -e 'println("+++ :julia: Running tests")
                 using Pkg
-                Pkg.test("OpenCL"; coverage=true, test_args=`--platform=nvidia nvidia/kernelabstractions nvidia/kernelinterface`)'
+                tests = ["$(target)/$(test)" for target in ("pocl", "poclc", "nvidia")
+                                                 for test in ("kernelabstractions", "kernelinterface")]
+                Pkg.test("OpenCL"; coverage=true, test_args=tests)'
     agents:
       queue: "cuda"
     if: |

.github/workflows/ci.yml

@@ -217,50 +217,6 @@ jobs:
           project: lib/KernelInterface
           annotate: true
 
-  OpenCL:
-    name: OpenCL (POCL)
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        version: ['1.10', '1.11', '1.12', '1.13', 'nightly']
-    steps:
-      - uses: actions/checkout@v7
-      - uses: julia-actions/install-juliaup@v3
-        with:
-          channel: ${{ matrix.version }}
-      - uses: julia-actions/cache@v3
-      # KernelInterface is dev'ed explicitly here for the same reason as in the CI job
-      # above: Julia 1.10 does not support `[sources]`.
-      - name: Dev KernelInterface
-        shell: bash
-        run: julia -e 'using Pkg; Pkg.activate("."); Pkg.develop(; path="lib/KernelInterface")'
-      - uses: julia-actions/julia-buildpkg@v1
-        continue-on-error: ${{ matrix.version == 'nightly' }}
-      - name: "Instantiating project"
-        run: |
-          julia -e 'println("--- :julia: Instantiating project")
-                using Pkg
-                Pkg.develop([PackageSpec(; name="KernelAbstractions", path=pwd()),
-                PackageSpec(; name="KernelInterface", path=joinpath(pwd(), "lib", "KernelInterface"))])' || exit 3
-      - name: "Developing OpenCL"
-        continue-on-error: ${{ matrix.version == 'nightly' }}
-        run: |
-          julia -e 'println("--- :julia: Developing OpenCL")
-                using Pkg
-                Pkg.add(url="https://github.com/JuliaGPU/OpenCL.jl", rev="intrinsics")
-                Pkg.develop(; name="SPIRVIntrinsics")'
-      - name: "Running tests"
-        continue-on-error: ${{ matrix.version == 'nightly' }}
-        run: |
-          julia -e 'println("+++ :julia: Running tests")
-                using Pkg
-                Pkg.test("OpenCL"; coverage=true, test_args=`--platform=pocl pocl/kernelabstractions poclc/kernelabstractions pocl/kernelinterface poclc/kernelinterface`)'
-      - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v7
-        with:
-          files: lcov.info
-
   docs:
     name: Documentation
     runs-on: ubuntu-latest