.github/workflows/{windows.yml, linux.yml}: downgrade to cuda 11.8.0

.github/workflows/linux.yml

@@ -26,7 +26,7 @@ jobs:
         wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2204/x86_64/cuda-keyring_1.0-1_all.deb
         sudo dpkg -i cuda-keyring_1.0-1_all.deb
         sudo apt-get update
-        sudo apt-get install -y cuda-nvcc-12-0 cuda-cudart-dev-12-0 cuda-nvrtc-dev-12-0
+        sudo apt-get install -y cuda-nvcc-11-8 cuda-cudart-dev-11-8 cuda-nvrtc-dev-11-8
         echo "PATH=/usr/local/cuda/bin${PATH:+:${PATH}}" >> $GITHUB_ENV
         echo "CUDA_PATH=/usr/local/cuda" >> $GITHUB_ENV
         echo "LD_LIBRARY_PATH=/usr/local/cuda/lib${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}" >> $GITHUB_ENV

.github/workflows/windows.yml

@@ -38,13 +38,13 @@ jobs:
       uses: actions/cache@v2
       with:
         path: C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA
-        key: ${{ runner.os }}-cuda-12.0.0
+        key: ${{ runner.os }}-cuda-11.8.0
 
     - name: Setup CUDA
       if: steps.cache-cuda.outputs.cache-hit != 'true'
       run: |
-        curl -s -o cuda_installer.exe -L https://developer.download.nvidia.com/compute/cuda/12.0.0/network_installers/cuda_12.0.0_windows_network.exe
-        cuda_installer.exe -s nvcc_12.0 cudart_12.0 nvrtc_dev_12.0
+        curl -s -o cuda_installer.exe -L https://developer.download.nvidia.com/compute/cuda/11.8.0/network_installers/cuda_11.8.0_windows_network.exe
+        cuda_installer.exe -s nvcc_11.8 cudart_11.8 nvrtc_dev_11.8
 
     - name: Download VapourSynth headers
       run: |
@@ -65,8 +65,8 @@ jobs:
         -D CMAKE_CUDA_ARCHITECTURES="50;61-real;70-virtual;75-real;86-real;89-real"
         -D CMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded
       env:
-        CUDA_PATH: C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v12.0
-        CUDA_PATH_V12_0: C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v12.0
+        CUDA_PATH: C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8
+        CUDA_PATH_V11_8: C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8
 
     - name: Build (CUDA)
       run: cmake --build build --verbose