xinyu-intel commented on a change in pull request #11049: Add linux and macos MKLDNN Building Instruction URL: https://github.com/apache/incubator-mxnet/pull/11049#discussion_r196632571
########## File path: MKLDNN_README.md ########## @@ -0,0 +1,287 @@ +# Build/Install MXNet with MKL-DNN + +<h2 id="0">Contents</h2> + +* [1. Linux](#1) +* [2. MacOS](#2) +* [3. Windows](#3) +* [4. Verify MXNet with python](#4) +* [5. Enable MKL BLAS](#5) + +<h2 id="1">Linux</h2> + +### Prerequisites + +``` +apt-get update && apt-get install -y build-essential git libopencv-dev curl gcc libopenblas-dev python python-pip python-dev python-opencv graphviz python-scipy python-sklearn +``` + +### Clone MXNet sources + +``` +git clone --recursive https://github.com/apache/incubator-mxnet.git +cd incubator-mxnet +git submodule update --recursive --init +``` + +### Build MXNet with MKL-DNN + +``` +make -j $(nproc) USE_OPENCV=1 USE_MKLDNN=1 USE_BLAS=mkl USE_INTEL_PATH=/opt/intel +``` + +If you don't have full MKL library installed, you can use OpenBLAS by setting `USE_BLAS=openblas`. + +<h2 id="2">MacOS</h2> + +### Prerequisites + +Install the dependencies, required for MXNet, with the following commands: + +- [Homebrew](https://brew.sh/) +- gcc (clang in macOS does not support OpenMP) +- OpenCV (for computer vision operations) + +``` +# Paste this command in Mac terminal to install Homebrew +/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" + +# install dependency +brew update +brew install pkg-config +brew install graphviz +brew tap homebrew/core +brew install opencv +brew tap homebrew/versions +brew install gcc49 +brew link gcc49 +``` + +### Enable OpenMP for MacOS + +If you want to enable OpenMP for better performance, you should modify these two files: + +1. Makefile L138: + +``` +ifeq ($(USE_OPENMP), 1) +# ifneq ($(UNAME_S), Darwin) + CFLAGS += -fopenmp +# endif +endif +``` + +2. prepare_mkldnn.sh L96: + +``` +CC=gcc-4.9 CXX=g++-4.9 cmake $MKLDNN_ROOTDIR -DCMAKE_INSTALL_PREFIX=$MKLDNN_INSTALLDIR -B$MKLDNN_BUILDDIR -DARCH_OPT_FLAGS="-mtune=generic" -DWITH_TEST=OFF -DWITH_EXAMPLE=OFF >&2 +``` + +### Build MXNet with MKL-DNN + +``` +make -j $(sysctl -n hw.ncpu) CC=gcc-4.9 CXX=g++-4.9 USE_OPENCV=0 USE_OPENMP=1 USE_MKLDNN=1 USE_BLAS=apple USE_PROFILER=1 Review comment: added ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
