Tensorflow 1.7.1 python 3.5错误

Question

我安装了tensorflow 1.7.1来与Unity ML-Agent一起使用。我使用以下命令安装tensorflow：

pip3 install tensorflow==1.7.1

安装失败，但是当我尝试导入tensorflow时，我得到了这个错误：

C:\>python
Python 3.5.1 (v3.5.1:37a07cee5969, Dec  6 2015, 01:54:25) [MSC v.1900 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import tensorflow
Traceback (most recent call last):
  File "C:\Python35_x64\lib\site-packages\tensorflow\python\pywrap_tensorflow_internal.py", line 14, in swig_import_helper
    return importlib.import_module(mname)
  File "C:\Python35_x64\lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 986, in _gcd_import
  File "<frozen importlib._bootstrap>", line 969, in _find_and_load
  File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 666, in _load_unlocked
  File "<frozen importlib._bootstrap>", line 577, in module_from_spec
  File "<frozen importlib._bootstrap_external>", line 903, in create_module
  File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
ImportError: DLL load failed: Une routine d\u2019initialisation d\u2019une bibliothèque de liens dynamiques (DLL) a échoué.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Python35_x64\lib\site-packages\tensorflow\python\pywrap_tensorflow.py", line 58, in <module>
    from tensorflow.python.pywrap_tensorflow_internal import *
  File "C:\Python35_x64\lib\site-packages\tensorflow\python\pywrap_tensorflow_internal.py", line 17, in <module>
    _pywrap_tensorflow_internal = swig_import_helper()
  File "C:\Python35_x64\lib\site-packages\tensorflow\python\pywrap_tensorflow_internal.py", line 16, in swig_import_helper
    return importlib.import_module('_pywrap_tensorflow_internal')
  File "C:\Python35_x64\lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
ImportError: No module named '_pywrap_tensorflow_internal'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Python35_x64\lib\site-packages\tensorflow\__init__.py", line 24, in <module>
    from tensorflow.python import *  # pylint: disable=redefined-builtin
  File "C:\Python35_x64\lib\site-packages\tensorflow\python\__init__.py", line 49, in <module>
    from tensorflow.python import pywrap_tensorflow
  File "C:\Python35_x64\lib\site-packages\tensorflow\python\pywrap_tensorflow.py", line 74, in <module>
    raise ImportError(msg)
ImportError: Traceback (most recent call last):
  File "C:\Python35_x64\lib\site-packages\tensorflow\python\pywrap_tensorflow_internal.py", line 14, in swig_import_helper
    return importlib.import_module(mname)
  File "C:\Python35_x64\lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 986, in _gcd_import
  File "<frozen importlib._bootstrap>", line 969, in _find_and_load
  File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 666, in _load_unlocked
  File "<frozen importlib._bootstrap>", line 577, in module_from_spec
  File "<frozen importlib._bootstrap_external>", line 903, in create_module
  File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
ImportError: DLL load failed: Une routine d\u2019initialisation d\u2019une bibliothèque de liens dynamiques (DLL) a échoué.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Python35_x64\lib\site-packages\tensorflow\python\pywrap_tensorflow.py", line 58, in <module>
    from tensorflow.python.pywrap_tensorflow_internal import *
  File "C:\Python35_x64\lib\site-packages\tensorflow\python\pywrap_tensorflow_internal.py", line 17, in <module>
    _pywrap_tensorflow_internal = swig_import_helper()
  File "C:\Python35_x64\lib\site-packages\tensorflow\python\pywrap_tensorflow_internal.py", line 16, in swig_import_helper
    return importlib.import_module('_pywrap_tensorflow_internal')
  File "C:\Python35_x64\lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
ImportError: No module named '_pywrap_tensorflow_internal'


Failed to load the native TensorFlow runtime.

See https://www.tensorflow.org/install/install_sources#common_installation_problems

for some common reasons and solutions.  Include the entire stack trace
above this error message when asking for help.
>>>

Microsoft C++ 2015 redistributable安装在我的系统上，我很容易使用dos命令找到MSVCP140.dll (就像常见安装问题文档中建议的那样)：

C:\>where MSVCP140.dll
C:\Windows\System32\msvcp140.dll

我没有安装CUDA和cuDNN的东西，因为我没有CUDA卡，我只按照建议安装了tensorflow for CPU。

编辑:降级到Unity1.5对我来说不是一个解决方案，因为TensorFlow ML-agents确实需要1.7.1

Answer 1

最后，这是一个AVX支持问题。我的CPU不支持AVX指令。

我自己从源码中编译了TensorFlow 1.7.1。最后，没有我想的那么难(只是在我可怜的笔记本电脑上花了几个小时)。在tensorflow github repo ( readme.md )上使用GIT、CMAKE、SWIG和Python3.5I fellow：

https://github.com/tensorflow/tensorflow/tree/v1.7.1/tensorflow/contrib/cmake

除了几个“堆空间不足”错误之外，一切都很正常。尝试添加/Zm200、/Zm500或其他对我不起作用的标志。我通过强制使用64位VC编译器来解决这个问题：

https://github.com/tensorflow/tensorflow/issues/11096

在这个问题页面上，用户kalengi提出了一些建议。我只对MSBuild使用他的命令：

"C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\MSBuild\15.0\Bin\amd64\MSBuild.exe" /m:2 /p:CL_MPCount=1 /p:Configuration=Release /p:Platform=x64 /p:PreferredToolArchitecture=x64 ALL_BUILD.vcxproj

"C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\MSBuild\15.0\Bin\amd64\MSBuild.exe" /m:2 /p:CL_MPCount=1 /p:Configuration=Release /p:Platform=x64 /p:PreferredToolArchitecture=x64 tf_python_build_pip_package.vcxproj