MPICH下载路径 Downloads | MPICH

1. 安装过程

tar -zxvf mpich-3.1.4.tar.gz

cd mpich-3.1.4

./configure -prefix=/usr/local/mpich (默认安装目录)

make && make install

2. 配置环境变量

vim  ~/.bashrc

文件末尾export PATH=/usr/local/mpich/bin:$PATH

source .bashrc

3. 错误

3.1 gethostbyname failed

查看主机名称(hostname):uname -a

Linux scdzj 2.6.32-696.6.3.el6.x86_64 #1 SMP Wed Jul 12 14:17:22 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

则第二个字段scdzj是hostname

打开/etc/hosts文件,在127.0.0.1的后面加上hostname,保存退出。

3.2 clion中使用

Cmakelist.Txt

·  include_directories(${MPI_INCLUDE_PATH})

·  SET(CMAKE_CXX_COMPILER mpicxx)

·  SET(CMAKE_C_COMPILER  mpicc)

4. Clion配置

Executable:/usr/local/mpich/bin/mpirun

Program arguments: -np 4 ./hello

Working directory: 工程目录cmake-build-debug

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