XXX: tweak

Author: nnethercote

.github/workflows/ci_windows.yml

@@ -27,7 +27,7 @@ jobs:
           - os: windows-latest
             target: x86_64-pc-windows-msvc
             cuda: "12.8.1"
-            linux-local-args: []
+            #dll-dir: "nvvm\\bin"
             sub-packages:
               [
                 "cublas",
@@ -43,21 +43,21 @@ jobs:
           - os: windows-latest
             target: x86_64-pc-windows-msvc
             cuda: "13.0.2"
-            linux-local-args: []
+            #dll-dir: "nvvm\\bin\\x64"
             sub-packages:
               [
-                "crt",
+                "crt",                # new subpackage in CUDA 13
                 "cublas",
                 "cublas_dev",
                 "cuda_profiler_api",
                 "cudart",
                 "curand",
                 "curand_dev",
                 "nvcc",
-                "nvptxcompiler",
+                "nvptxcompiler",      # new subpackage in CUDA 13
                 "nvrtc",
                 "nvrtc_dev",
-                "nvvm",
+                "nvvm",               # new subpackage in CUDA 13
               ]
 
     steps:
@@ -70,7 +70,7 @@ jobs:
         with:
           cuda: ${{ matrix.cuda }}
           method: network
-          linux-local-args: ${{ toJson(matrix.linux-local-args) }}
+          linux-local-args: []
           use-local-cache: false
           sub-packages: ${{ toJson(matrix.sub-packages) }}
           log-file-suffix: "${{matrix.os}}-${{matrix.cuda}}"
@@ -87,11 +87,13 @@ jobs:
 
       - name: Update PATH to expose CUDA codegen backend
         run: |
-          # njn: explain
+          # njn: hmm
+          # echo "$env:CUDA_PATH\\${{matrix.dll-dir}}" | `
+          #   Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
           echo "$env:CUDA_PATH\nvvm\bin" | `
             Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
-          # echo "$env:CUDA_PATH\nvvm\bin\x64" | `
-          #   Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+          echo "$env:CUDA_PATH\nvvm\bin\x64" | `
+            Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
 
       - name: Verify CUDA, Rust installation
         run: |