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CuPy CUDA导入失败求助:匹配版本仍报DLL加载错误

问题描述
  • CUDA版本:11.7
  • Python版本:3.8
  • 已通过pip安装对应版本的cupy-cuda117
  • 已配置环境变量,但导入CuPy时出现如下报错:
Traceback (most recent call last):
  File "C:\Users\Dominic\PycharmProjects\Project_Trading\venv\lib\site-packages\cupy\__init__.py", line 18, in <module>
    from cupy import _core  # NOQA
  File "C:\Users\Dominic\PycharmProjects\Project_Trading\venv\lib\site-packages\cupy\_core\__init__.py", line 1, in <module>
    from cupy._core import core  # NOQA
  File "cupy\_core\core.pyx", line 1, in init cupy._core.core
  File "C:\Users\Dominic\PycharmProjects\Project_Trading\venv\lib\site-packages\cupy\cuda\__init__.py", line 8, in <module>
    from cupy.cuda import compiler  # NOQA
  File "C:\Users\Dominic\PycharmProjects\Project_Trading\venv\lib\site-packages\cupy\cuda\compiler.py", line 13, in <module>
    from cupy.cuda import device
  File "cupy\cuda\device.pyx", line 1, in init cupy.cuda.device
ImportError: DLL load failed while importing runtime: The specified module could not be found.

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "C:/Users/Dominic/PycharmProjects/Project_Trading/regression_to_classification.py", line 77, in <module>
    import cupy
  File "C:\Users\Dominic\PycharmProjects\Project_Trading\venv\lib\site-packages\cupy\__init__.py", line 20, in <module>
    raise ImportError(f'''
ImportError: 
================================================================
Failed to import CuPy.

If you installed CuPy via wheels (cupy-cudaXXX or cupy-rocm-X-X), make sure that the package matches with the version of CUDA or ROCm installed.

On Linux, you may need to set LD_LIBRARY_PATH environment variable depending on how you installed CUDA/ROCm.
On Windows, try setting CUDA_PATH environment variable.

Check the Installation Guide for details:
  https://docs.cupy.dev/en/latest/install.html

Original error:
  ImportError: DLL load failed while importing runtime: The specified module could not be found.
================================================================


Process finished with exit code 1

补充信息:同时提供了nvcc版本、环境变量、pip freeze结果、系统规格的截图。

内容的提问来源于stack exchange,提问作者DomIsAwesomee

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最近更新时间:2026.08.17 10:55:17