TensorFlow GPU版本号与CUDA的对应产生的错误
前言
最近在新的工作站上重新装TensorFlow的GPU版本,刚开始由于省事,直接更新到最新版本1.13,然后输入hello TensorFlow程序。但是却报错“ImportError: DLL load failed: 找不到指定的模块”。无奈之下,各种百度,看到有个比较旧博客提议将TensorFlow版本降低到1.4,于是先卸载再重装,一顿修改之后,又报错“Could not find 'cudart64_80.dll'. TensorFlow requires that this DLL be installed in a directory that is named in your %PATH% environment variable. Download and install CUDA 8.0 from this URL: https://developer.nvidia.com/cuda-toolkit”,这句话的意思就是说我装的TensorFlow版本太低,只能支持CUDA8.0,但是我装的是CUDA9.0,所以出现了不对应。后来,又卸载当前TensorFlow环境,指定安装1.7版本,搞定。特此记录下来,防止后人少踩坑。
以下图示均为命令行操作
TensorFlow版本过低,CUDA版本过高
具体报错如下:
(tensorflow-gpu) C:\Users\WW>python
Python 3.6. |Continuum Analytics, Inc.| (default, Jul , ::) [MSC v. bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import tensorflow
Traceback (most recent call last):
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\site-packages\tensorflow\python\platform\self_check.py", line , in preload_check
ctypes.WinDLL(build_info.cudart_dll_name)
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\ctypes\__init__.py", line , in __init__
self._handle = _dlopen(self._name, mode)
OSError: [WinError ] 找不到指定的模块。 During handling of the above exception, another exception occurred: Traceback (most recent call last):
File "<stdin>", line , in <module>
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\site-packages\tensorflow\__init__.py", line , in <module>
from tensorflow.python import *
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\site-packages\tensorflow\python\__init__.py", line , in <module>
from tensorflow.python import pywrap_tensorflow
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\site-packages\tensorflow\python\pywrap_tensorflow.py", line , in <module>
self_check.preload_check()
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\site-packages\tensorflow\python\platform\self_check.py", line , in preload_check
% (build_info.cudart_dll_name, build_info.cuda_version_number))
ImportError: Could not find 'cudart64_80.dll'. TensorFlow requires that this DLL be installed in a directory that is named in your %PATH% environment variable. Download and install CUDA 8.0 from this URL: https://developer.nvidia.com/cuda-toolkit
TensorFlow版本过高,CUDA版本过低
具体错误如下所示:
(tensorflow-gpu) C:\Users\WW>python
Python 3.6. |Continuum Analytics, Inc.| (default, Jul , ::) [MSC v. bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import tensorflow
Traceback (most recent call last):
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\site-packages\tensorflow\python\pywrap_tensorflow.py", line , in <module>
from tensorflow.python.pywrap_tensorflow_internal import *
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\site-packages\tensorflow\python\pywrap_tensorflow_internal.py", line , in <module>
_pywrap_tensorflow_internal = swig_import_helper()
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\site-packages\tensorflow\python\pywrap_tensorflow_internal.py", line , in swig_import_helper
_mod = imp.load_module('_pywrap_tensorflow_internal', fp, pathname, description)
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\imp.py", line , in load_module
return load_dynamic(name, filename, file)
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\imp.py", line , in load_dynamic
return _load(spec)
ImportError: DLL load failed: 找不到指定的模块。 During handling of the above exception, another exception occurred: Traceback (most recent call last):
File "<stdin>", line , in <module>
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\site-packages\tensorflow\__init__.py", line , in <module>
from tensorflow.python import pywrap_tensorflow # pylint: disable=unused-import
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\site-packages\tensorflow\python\__init__.py", line , in <module>
from tensorflow.python import pywrap_tensorflow
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\site-packages\tensorflow\python\pywrap_tensorflow.py", line , in <module>
raise ImportError(msg)
ImportError: Traceback (most recent call last):
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\site-packages\tensorflow\python\pywrap_tensorflow.py", line , in <module>
from tensorflow.python.pywrap_tensorflow_internal import *
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\site-packages\tensorflow\python\pywrap_tensorflow_internal.py", line , in <module>
_pywrap_tensorflow_internal = swig_import_helper()
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\site-packages\tensorflow\python\pywrap_tensorflow_internal.py", line , in swig_import_helper
_mod = imp.load_module('_pywrap_tensorflow_internal', fp, pathname, description)
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\imp.py", line , in load_module
return load_dynamic(name, filename, file)
File "D:\TensorFlow\Anaconda\Anaconda\envs\tensorflow-gpu\lib\imp.py", line , in load_dynamic
return _load(spec)
ImportError: DLL load failed: 找不到指定的模块。 Failed to load the native TensorFlow runtime. See https://www.tensorflow.org/install/errors for some common reasons and solutions. Include the entire stack trace
above this error message when asking for help.
TensorFlow与CUDA版本的对应关系
附上几张表格:
具体最新版本对应可参考TensorFlow中文网址:https://www.tensorflow.org/install/source#tested_source_configurations
总结
- 安装环境时参考的博客一定要注意时间,时间,时间。有可能当时可以的现在就不一定行了,版本问题真的很烦人呐呐呐
- 切勿贪图省事,更新到最新版本,要提前了解清楚,然后再装对应的版本
参考
https://blog.csdn.net/yeler082/article/details/80943040
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