人工智能开发环境 使用Anaconda安装TensorFlow
文章来源 http://blog.csdn.net/nxcxl88/article/details/52704877?locationNum=13
目录(?)[+]
建议参照最新的tensorflow安装步骤(Linux,官方网站经常访问不是很稳定,所以给了一个github的地址):https://github.com/tensorflow/tensorflow/blob/master/tensorflow/docs\_src/install/install\_linux.md
最近,tensorflow网站上给出了新的使用Anaconda配置和安装Tensorflow的步骤,经过测试,在国内可以无障碍的访问。Anaconda 是一个基于Python的科学计算包集合,目前支持python 2.7,3.4,3.5,3.6。
注意:在安装过程中如果出现很长的报错,观察错误信息的末尾,如果是网络链接相关,就重新运行一遍语句即可(如出现进度条不动的情况,也可重新运行语句),Anaconda自身约500M,tensorflow所需软件包约几十M。
操作系统: Ubuntu 14.04
1. 安装Anaconda
从anaconda官网(https://www.continuum.io/downloads)上下载[linux][Linux]版本的安装文件(推荐Python 2.7版本),运行sh完成安装。
2. 建立一个tensorflow的运行环境
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- # Python 2.7
- $ conda create -n tensorflow python=2.7
- # Python 3.4
- $ conda create -n tensorflow python=3.4
- # Python 3.5
- $ conda create -n tensorflow python=3.5
3.在conda环境中安装tensorflow
在conda环境中安装tensorflow的好处是可以便捷的管理tensorflow的依赖包。分为两个步骤:激活上一步建立的名为tensorflow的conda环境;用conda或者pip工具安装Tensorflow,作者选择的是pip方式。
3.1 pip方式
pip方式需要首先激活conda环境
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- $ source activate tensorflow
然后根据要安装的不同tensorflow版本选择对应的 一条环境变量设置export语句(操作系统,Python版本,CPU版本还是CPU+GPU版本)
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- # Ubuntu/Linux 64-bit, CPU only, Python 2.7
- (tensorflow)$ export TF_BINARY_URL=https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow-0.10.0-cp27-none-linux\_x86\_64.whl
- # Ubuntu/Linux 64-bit, GPU enabled, Python 2.7
- # Requires CUDA toolkit 7.5 and CuDNN v5. For other versions, see “Install from sources” below.
- (tensorflow)$ export TF_BINARY_URL=https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow-0.10.0-cp27-none-linux\_x86\_64.whl
- # Mac OS X, CPU only, Python 2.7:
- (tensorflow)$ export TF_BINARY_URL=https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-0.10.0-py2-none-any.whl
- # Mac OS X, GPU enabled, Python 2.7:
- (tensorflow)$ export TF_BINARY_URL=https://storage.googleapis.com/tensorflow/mac/gpu/tensorflow-0.10.0-py2-none-any.whl
- # Ubuntu/Linux 64-bit, CPU only, Python 3.4
- (tensorflow)$ export TF_BINARY_URL=https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow-0.10.0-cp34-cp34m-linux\_x86\_64.whl
- # Ubuntu/Linux 64-bit, GPU enabled, Python 3.4
- # Requires CUDA toolkit 7.5 and CuDNN v5. For other versions, see “Install from sources” below.
- (tensorflow)$ export TF_BINARY_URL=https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow-0.10.0-cp34-cp34m-linux\_x86\_64.whl
- # Ubuntu/Linux 64-bit, CPU only, Python 3.5
- (tensorflow)$ export TF_BINARY_URL=https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow-0.10.0-cp35-cp35m-linux\_x86\_64.whl
- # Ubuntu/Linux 64-bit, GPU enabled, Python 3.5
- # Requires CUDA toolkit 7.5 and CuDNN v5. For other versions, see “Install from sources” below.
- (tensorflow)$ export TF_BINARY_URL=https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow-0.10.0-cp35-cp35m-linux\_x86\_64.whl
- # Mac OS X, CPU only, Python 3.4 or 3.5:
- (tensorflow)$ export TF_BINARY_URL=https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-0.10.0-py3-none-any.whl
- # Mac OS X, GPU enabled, Python 3.4 or 3.5:
- (tensorflow)$ export TF_BINARY_URL=https://storage.googleapis.com/tensorflow/mac/gpu/tensorflow-0.10.0-py3-none-any.whl
最后根据是python 2还是3版本选择一句进行安装。
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- # Python 2
- (tensorflow)$ pip install —ignore-installed —upgrade $TF_BINARY_URL
- # Python 3
- (tensorflow)$ pip3 install —ignore-installed —upgrade $TF_BINARY_URL
3.2 conda方式
conda上面目前有人已经做好了tensorflow的pkg,但是版本不一定最新,且只有CPU版本,不支持GPU。
步骤也是首先激活conda环境,然后调用conda install 语句安装.
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- $ source activate tensorflow
- (tensorflow)$ # Your prompt should change
- # Linux/Mac OS X, Python 2.7/3.4/3.5, CPU only:
- (tensorflow)$ conda install -c conda-forge tensorflow
上面的步骤完成后,从conda环境中退出:
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- (tensorflow)$ source deactivate
4. 测试安装
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- $ source activate tensorflow
- (tensorflow)$ # Your prompt should change.
- # Run Python programs that use TensorFlow.
- …
- # When you are done using TensorFlow, deactivate the environment.
- (tensorflow)$ source deactivate
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