ModuleNotFoundError: No module named 'cupy', cupy 安装出错
解明辉
https://github.com/cupy/cupy/issues/1007
没有cupy module
ModuleNotFoundError: No module named 'cupy'
使用pip安装cupy
$ pip install cupy #报错
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
Collecting cupy
Downloading https://pypi.tuna.tsinghua.edu.cn/packages/fa/62/8a245b23fbd1bb57da0925ae45cc6d5ed163fedf37323242bfa30b45f07d/cupy-6.4.0.tar.gz (3.1MB)
|████████████████████████████████| 3.1MB 361kB/s
ERROR: Command errored out with exit status 1:
command: /home/superzou/.pyenv/versions/3.6.9/bin/python3.6 -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-rb78h9nw/cupy/setup.py'"'"'; __file__='"'"'/tmp/pip-install-rb78h9nw/cupy/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base pip-egg-info
cwd: /tmp/pip-install-rb78h9nw/cupy/
Complete output (46 lines):
Options: {'package_name': 'cupy', 'long_description': None, 'wheel_libs': [], 'wheel_includes': [], 'no_rpath': False, 'profile': False, 'linetrace': False, 'annotate': False, 'no_cuda': False}
-------- Configuring Module: cuda --------
/tmp/tmpmr13pdbp/a.cpp:1:10: fatal error: cublas_v2.h: No such file or directory
#include <cublas_v2.h>
^~~~~~~~~~~~~
compilation terminated.
command 'gcc' failed with exit status 1
************************************************************
* CuPy Configuration Summary *
************************************************************
Build Environment:
Include directories: []
Library directories: []
nvcc command : (not found)
Environment Variables:
CFLAGS : (none)
LDFLAGS : (none)
LIBRARY_PATH : (none)
CUDA_PATH : (none)
NVTOOLSEXT_PATH : (none)
NVCC : (none)
Modules:
cuda : No
-> Include files not found: ['cublas_v2.h', 'cuda.h', 'cuda_profiler_api.h', 'cuda_runtime.h', 'cufft.h', 'curand.h', 'cusparse.h', 'nvrtc.h']
-> Check your CFLAGS environment variable.
ERROR: CUDA could not be found on your system.
Please refer to the Installation Guide for details:
https://docs-cupy.chainer.org/en/stable/install.html
************************************************************
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/tmp/pip-install-rb78h9nw/cupy/setup.py", line 120, in <module>
ext_modules = cupy_setup_build.get_ext_modules()
File "/tmp/pip-install-rb78h9nw/cupy/cupy_setup_build.py", line 632, in get_ext_modules
extensions = make_extensions(arg_options, compiler, use_cython)
File "/tmp/pip-install-rb78h9nw/cupy/cupy_setup_build.py", line 387, in make_extensions
raise Exception('Your CUDA environment is invalid. '
Exception: Your CUDA environment is invalid. Please check above error log.
----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
输入命令
$ pip search cupy
output
cupy (6.4.0) - CuPy: NumPy-like API accelerated with CUDA
cupy-cuda91 (6.4.0) - CuPy: NumPy-like API accelerated with CUDA
cupy-cuda92 (6.4.0) - CuPy: NumPy-like API accelerated with CUDA
cupy-cuda100 (6.4.0) - CuPy: NumPy-like API accelerated with CUDA
cupy-cuda90 (6.4.0) - CuPy: NumPy-like API accelerated with CUDA
cupy-cuda80 (6.4.0) - CuPy: NumPy-like API accelerated with CUDA
cupy-cuda101 (6.4.0) - CuPy: NumPy-like API accelerated with CUDA
cupy-ibmopt (4.0.0a3) - CuPy: NumPy-like API accelerated with CUDA (opbimized for POWER machines by
IBM)
clpy (0.0.0a0) - ClPy: OpenCL backend for CuPy
.....后面省略
根据你自己电脑上的cuda版本选择cupy
比如我电脑上是cuda10.0 我就选 cupy-cuda100.
如果cuda9.0 我就选 cupy-cuda90
最后命令
pip install cupy-cuda100
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