Tensorflow在Windows下的安裝+各種錯誤解決
基本都是本人實際過程中出現的情況。
採用的是Anaconda安裝方式(Anaconda是python科學計算的整合)
很多人不知道這個東西的意義:
介紹:Anaconda是一個用於科學計算的Python發行版,支援 Linux, Mac, Windows系統,提供了包管理與環境管理的功能,可以很方便地解決多版本python並存、切換以及各種第三方包安裝問題。Anaconda利用工具/命令conda來進行package和environment的管理,並且已經包含了Python和相關的配套工具。
簡單說,其有著強大而方便的包管理與環境管理的功能。
learn more:點選開啟連結
先說安裝過程:
裝Anaconda3(自帶python3.6)-->(隨手給你的python調一下環境變數)--->把(安裝路徑)...\Anaconda3\Scripts加入到你的path裡--->檢查conda
--->建立tensorflow空間,裝tensorflow --->進入python檢查tensorflow
--->如果tensorflow裝的是gpu版本的話,裝cuda 和 cudnn。(區別gpu和cpu兩個版本:gpu跑起來相當快,但需要你的顯示卡支援cuda)
注意啊,tensorflow1.4現在只支援CUDA8.0 +cudnn6.0 下載cuda9.0/cudnn5.1都是不能支援的
注意:
- * TensorFlow 1.2.1 or earlier requires cuDNN 5.1. ('cudnn64_5.dll')
-
* TensorFlow 1.3 or later requires cuDNN 6. ('cudnn64_6.dll')
用到的程式碼總結:
cmd--->
conda --version
conda info --envs
conda search --full-name python
conda create --name tensorflow python=3.6
(y)
activate tensorflow
python --version
(python -V)
pip install -ignore-installed --upgrade tensorflow-gpu
python
import tensorflow as tf
tf.__version__
tf.__path__
deactivate
檢查和幫助:
import ctypes
import imp
import sys
def main():
try:
import tensorflow as tf
print("TensorFlow successfully installed.")
if tf.test.is_built_with_cuda():
print("The installed version of TensorFlow includes GPU support.")
else:
print("The installed version of TensorFlow does not include GPU support.")
sys.exit(0)
except ImportError:
print("ERROR: Failed to import the TensorFlow module.")
candidate_explanation = False
python_version = sys.version_info.major, sys.version_info.minor
print("\n- Python version is %d.%d." % python_version)
if not (python_version == (3, 5) or python_version == (3, 6)):
candidate_explanation = True
print("- The official distribution of TensorFlow for Windows requires "
"Python version 3.5 or 3.6.")
try:
_, pathname, _ = imp.find_module("tensorflow")
print("\n- TensorFlow is installed at: %s" % pathname)
except ImportError:
candidate_explanation = False
print("""
- No module named TensorFlow is installed in this Python environment. You may
install it using the command `pip install tensorflow`.""")
try:
msvcp140 = ctypes.WinDLL("msvcp140.dll")
except OSError:
candidate_explanation = True
print("""
- Could not load 'msvcp140.dll'. TensorFlow requires that this DLL be
installed in a directory that is named in your %PATH% environment
variable. You may install this DLL by downloading Microsoft Visual
C++ 2015 Redistributable Update 3 from this URL:
https://www.microsoft.com/en-us/download/details.aspx?id=53587""")
try:
cudart64_80 = ctypes.WinDLL("cudart64_80.dll")
except OSError:
candidate_explanation = True
print("""
- Could not load 'cudart64_80.dll'. The GPU version of 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""")
try:
nvcuda = ctypes.WinDLL("nvcuda.dll")
except OSError:
candidate_explanation = True
print("""
- Could not load 'nvcuda.dll'. The GPU version of TensorFlow requires that
this DLL be installed in a directory that is named in your %PATH%
environment variable. Typically it is installed in 'C:\Windows\System32'.
If it is not present, ensure that you have a CUDA-capable GPU with the
correct driver installed.""")
cudnn5_found = False
try:
cudnn5 = ctypes.WinDLL("cudnn64_5.dll")
cudnn5_found = True
except OSError:
candidate_explanation = True
print("""
- Could not load 'cudnn64_5.dll'. The GPU version of TensorFlow
requires that this DLL be installed in a directory that is named in
your %PATH% environment variable. Note that installing cuDNN is a
separate step from installing CUDA, and it is often found in a
different directory from the CUDA DLLs. You may install the
necessary DLL by downloading cuDNN 5.1 from this URL:
https://developer.nvidia.com/cudnn""")
cudnn6_found = False
try:
cudnn = ctypes.WinDLL("cudnn64_6.dll")
cudnn6_found = True
except OSError:
candidate_explanation = True
if not cudnn5_found or not cudnn6_found:
print()
if not cudnn5_found and not cudnn6_found:
print("- Could not find cuDNN.")
elif not cudnn5_found:
print("- Could not find cuDNN 5.1.")
else:
print("- Could not find cuDNN 6.")
print("""
The GPU version of TensorFlow requires that the correct cuDNN DLL be installed
in a directory that is named in your %PATH% environment variable. Note that
installing cuDNN is a separate step from installing CUDA, and it is often
found in a different directory from the CUDA DLLs. The correct version of
cuDNN depends on your version of TensorFlow:
* TensorFlow 1.2.1 or earlier requires cuDNN 5.1. ('cudnn64_5.dll')
* TensorFlow 1.3 or later requires cuDNN 6. ('cudnn64_6.dll')
You may install the necessary DLL by downloading cuDNN from this URL:
https://developer.nvidia.com/cudnn""")
if not candidate_explanation:
print("""
- All required DLLs appear to be present. Please open an issue on the
TensorFlow GitHub page: https://github.com/tensorflow/tensorflow/issues""")
sys.exit(-1)
if __name__ == "__main__":
main()
相關資料:
這三個看下來絕對能裝好了
tensorflow中文幫助文件+Linux安裝:(極客學院)
if 你安裝可能會出這樣的問題: