OpenMPI- Ubuntu安装与配置

OpenMPI安装

1. 下载OpenMPI v2.0.2
2. 解压文件，并进入文件夹，指定安装路径(默认路径：/usr/local/lib)

wget https://www.open-mpi.org/software/ompi/v2.0/downloads/openmpi-2.0.2.tar.gz
tar zxvf openmpi-2.0.2.tar.gz
cd openmpi-2.0.2
sudo ./configure --prefix=/usr/local

1. 编译安装

sudo make
sudo make install

1. 配置环境变量（~/.bashrc）

export PATH=$PATH:/usr/local/openmpi/bin  
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/openmpi/lib/  
source ~/.bashrc  
sudo ldconfig

1. 测试

cd examples
make
mpirun -np 8 hello_c