MXNet - Ubuntu安装
2017-05-25 15:24
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MXNet - 安装
基于Ubuntu14.04/16.04,Python,GPU,Build from SourcesPrerequisites
CUDA8.0cuDNN v5 for CUDA8.0
确保添加CUDA安装路径到LD_LIBRARY_PATH:
export LD_LIBRARY_PATH=/usr/local/cuda/lib64/:$LD_LIBRARY_PATH
编译 MXNnet核心库
从 C++ 源码编译 MXNet core shared library - libmxnet.so.Minimum Requirements:
- GCC 4.8 or later to compile C++ 11
- GNU Make
# Step 1 Install build tools and git. $ sudo apt-get update $ sudo apt-get install -y build-essential git # Step 2 Install OpenBLAS. $ sudo apt-get install -y libopenblas-dev # Step 3 Install OpenCV. $ sudo apt-get install -y libopencv-dev # Step 4 Download MXNet sources and build MXNet core shared library. $ git clone --recursive https://github.com/dmlc/mxnet $ cd mxnet $ make -j $(nproc) USE_OPENCV=1 USE_BLAS=openblas USE_CUDA=1 USE_CUDA_PATH=/usr/local/cuda USE_CUDNN=1
编译 MXNet的Python API
# Step 1 Install prerequisites - python setup tools and numpy. $ sudo apt-get install -y python-dev python-setuptools python-numpy # Step 2 Build the MXNet Python binding. $ cd python $ sudo python setup.py install # Step 3 Validate the installation by running simple MXNet code.
>>> import mxnet as mx >>> a = mx.nd.ones((2, 3), mx.gpu()) # 在GPU上创建 2×3 矩阵 >>> b = a * 2 + 1 # 矩阵a各元素 ×2 + 1 >>> b.asnumpy() array([[ 3., 3., 3.], [ 3., 3., 3.]], dtype=float32)
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