AMD上的CuPy导致ImportError

Question

我正在尝试使用/测试CuPy (8.1.0)的AMD支持(实验性)。简而言之:我有一个ImportError。

• 我遵循了在Ubuntu焦点机器上安装ROCm的说明(带有gfx906 906/Radeon VII (Vega 20)卡)。
• 在文档中，我设置了上述变量(带有调整后的HCC_AMDGPU_TARGET)、ROCM_HOME和export PATH=$PATH:/opt/rocm/bin:/opt/rocm/profiler/bin:/opt/rocm/opencl/bin。
• pip3 install -v --no-cache-dir cupy没有任何抱怨就成功了。因为有-v选项，所以只有几个编译器注释和警告
• 现在，当我试图导入cupy时，它会抛出一个ImportError。

In [1]: import cupy                                                                                                                                                                                                                         
---------------------------------------------------------------------------
ModuleNotFoundError                       Traceback (most recent call last)
/usr/local/lib/python3.8/dist-packages/cupy/__init__.py in <module>
     19             message='can\'t resolve package from __spec__')
---> 20         from cupy import core  # NOQA
     21 except ImportError as e:

/usr/local/lib/python3.8/dist-packages/cupy/core/__init__.py in <module>
----> 1 from cupy.core import core  # NOQA
      2 from cupy.core import internal  # NOQA
      3 

cupy/core/core.pyx in init cupy.core.core()
cupy/core/_routines_manipulation.pyx in init cupy.core._routines_manipulation()
cupy/core/_routines_indexing.pyx in init cupy.core._routines_indexing()
cupy/core/_routines_math.pyx in init cupy.core._routines_math()
cupy/core/_reduction.pyx in init cupy.core._reduction()
cupy/core/_cub_reduction.pyx in init cupy.core._cub_reduction()

ModuleNotFoundError: No module named 'cupy.cuda.cub'

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

ImportError                               Traceback (most recent call last)
<ipython-input-1-329ec5cf1bc8> in <module>
----> 1 import cupy

/usr/local/lib/python3.8/dist-packages/cupy/__init__.py in <module>
     39 original error: {}'''.format(_exc_info[1]))  # NOQA
     40 
---> 41     raise ImportError(_msg) from e
     42 
     43 

ImportError: CuPy is not correctly installed.
If you are using wheel distribution (cupy-cudaXX), make sure that the version of CuPy you installed matches with the version of CUDA on your host.
Also, confirm that only one CuPy package is installed:
  $ pip freeze

If you are building CuPy from source, please check your environment, uninstall CuPy and reinstall it with:
  $ pip install cupy --no-cache-dir -vvvv

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

original error: No module named 'cupy.cuda.cub'

我接下来该怎么办？在编译过程中我应该寻找什么？提前感谢

应请求编辑安装过程的完整标准输出和标准输出以及控制台的几个io：https://seafile.cloud.uni-hannover.de/d/68862cd1057e47d180aa/

Answer 1

总结到目前为止的评论中的讨论：

• 对于ROCm v8.x (最新的稳定版本)：在v8.1之前，cupy.cuda.cub模块不是在ROCm/HIP环境中构建的，希望在v8.2中修复(参见票证)。
• 对于CuPy v9.x (主分支)：只要正确安装了rocPRIM和hipCUB，它就可以工作。可能OP的本地环境没有正确设置，导致cupy.cuda.cub模块未构建，从而导致ImportError。