CuPy Error

[marshal2107]

When running your example workflow I am having this problem.

Do you know what could be causing it?

Log:
Error occurred when executing SmoothVideo:

CuPy failed to load nvrtc64_120_0.dll: FileNotFoundError: Could not find module 'nvrtc64_120_0.dll' (or one of its dependencies). Try using the full path with constructor syntax.

File "P:\STABLEDIFFUSION\ComfyUI_windows_portable\ComfyUI\execution.py", line 152, in recursive_execute
output_data, output_ui = get_output_data(obj, input_data_all)
File "P:\STABLEDIFFUSION\ComfyUI_windows_portable\ComfyUI\execution.py", line 82, in get_output_data
return_values = map_node_over_list(obj, input_data_all, obj.FUNCTION, allow_interrupt=True)
File "P:\STABLEDIFFUSION\ComfyUI_windows_portable\ComfyUI\execution.py", line 75, in map_node_over_list
results.append(getattr(obj, func)(**slice_dict(input_data_all, i)))
File "P:\STABLEDIFFUSION\ComfyUI_windows_portable\ComfyUI\custom_nodes\AInseven\smoothVideo.py", line 110, in execute
frames = smooth_video(
File "P:\STABLEDIFFUSION\ComfyUI_windows_portable\ComfyUI\custom_nodes\AInseven\FastBlend\api.py", line 75, in smooth_video
frames=FastModeRunner().run(frames_guide, frames_style, batch_size=batch_size, window_size=window_size,
File "P:\STABLEDIFFUSION\ComfyUI_windows_portable\ComfyUI\custom_nodes\AInseven\FastBlend\runners\fast.py", line 125, in run
table_l = table_manager.build_remapping_table(frames_guide, frames_style, patch_match_engine, batch_size, desc="Fast Mode Step 1/4")
File "P:\STABLEDIFFUSION\ComfyUI_windows_portable\ComfyUI\custom_nodes\AInseven\FastBlend\runners\fast.py", line 44, in build_remapping_table
_, target_style = patch_match_engine.estimate_nnf(source_guide, target_guide, source_style)
File "P:\STABLEDIFFUSION\ComfyUI_windows_portable\ComfyUI\custom_nodes\AInseven\FastBlend\patch_match.py", line 291, in estimate_nnf
nnf = self.initialize_nnf(source_guide.shape[0]) if level==0 else self.update_nnf(nnf, level)
File "P:\STABLEDIFFUSION\ComfyUI_windows_portable\ComfyUI\custom_nodes\AInseven\FastBlend\patch_match.py", line 254, in initialize_nnf
cp.repeat(cp.arange(height), width).reshape(height, width),
File "P:\STABLEDIFFUSION\ComfyUI_windows_portable\python_embeded\lib\site-packages\cupy_creation\ranges.py", line 60, in arange
_arange_ufunc(typ(start), typ(step), ret, dtype=dtype)
File "cupy_core_kernel.pyx", line 1375, in cupy._core._kernel.ufunc.call
File "cupy_core_kernel.pyx", line 1402, in cupy._core._kernel.ufunc._get_ufunc_kernel
File "cupy_core_kernel.pyx", line 1082, in cupy._core._kernel._get_ufunc_kernel
File "cupy_core_kernel.pyx", line 94, in cupy._core._kernel._get_simple_elementwise_kernel
File "cupy_core_kernel.pyx", line 82, in cupy._core._kernel._get_simple_elementwise_kernel_from_code
File "cupy_core\core.pyx", line 2254, in cupy._core.core.compile_with_cache
File "P:\STABLEDIFFUSION\ComfyUI_windows_portable\python_embeded\lib\site-packages\cupy\cuda\compiler.py", line 484, in _compile_module_with_cache
return _compile_with_cache_cuda(
File "P:\STABLEDIFFUSION\ComfyUI_windows_portable\python_embeded\lib\site-packages\cupy\cuda\compiler.py", line 499, in _compile_with_cache_cuda
arch = _get_arch()
File "cupy_util.pyx", line 64, in cupy._util.memoize.decorator.ret
File "P:\STABLEDIFFUSION\ComfyUI_windows_portable\python_embeded\lib\site-packages\cupy\cuda\compiler.py", line 148, in _get_arch
nvrtc_max_compute_capability = _get_max_compute_capability()
File "cupy_util.pyx", line 64, in cupy._util.memoize.decorator.ret
File "P:\STABLEDIFFUSION\ComfyUI_windows_portable\python_embeded\lib\site-packages\cupy\cuda\compiler.py", line 126, in _get_max_compute_capability
major, minor = _get_nvrtc_version()
File "P:\STABLEDIFFUSION\ComfyUI_windows_portable\python_embeded\lib\site-packages\cupy\cuda\compiler.py", line 115, in _get_nvrtc_version
_nvrtc_version = nvrtc.getVersion()
File "cupy_backends\cuda\libs\nvrtc.pyx", line 56, in cupy_backends.cuda.libs.nvrtc.getVersion
File "cupy_backends\cuda\libs\nvrtc.pyx", line 57, in cupy_backends.cuda.libs.nvrtc.getVersion
File "cupy_backends\cuda\libs_cnvrtc.pxi", line 72, in cupy_backends.cuda.libs.nvrtc.initialize
File "cupy_backends\cuda\libs_cnvrtc.pxi", line 76, in cupy_backends.cuda.libs.nvrtc._initialize
File "cupy_backends\cuda\libs_cnvrtc.pxi", line 143, in cupy_backends.cuda.libs.nvrtc._get_softlink
File "cupy_backends\cuda_softlink.pyx", line 32, in cupy_backends.cuda._softlink.SoftLink.__ini

[AInseven]

You need install CUDA Toolkit.
https://developer.nvidia.com/cuda-downloads

[inferno46n2]

Did you ever figure this out?

[aswordok]

"C:\Users\user\AppData\Local\Programs\Python\Python311\Lib\site-packages\nvidia\cuda_nvrtc\bin\nvrtc64_120_0.dll"

copy it to :

C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8\bin

Confirm your Path and modify it.