超算平台安装（八）CentOS7下安装openmpi

续上篇

cd /home/share/
wget
tar -zxf ucx-1.9.0.tar.gz
cd ucx-1.9.0/
yum -y install numactl-devel
./contrib/configure-release --prefix=/home/software/ucx
make -j2 install

编译下面文件需要改很多库的绝对路径，可以忽略。
ln -s /home/software/ucx/lib/libucp.so /lib64/libucp.so
ln -s /home/software/ucx/lib/libucs.so /lib64/libucs.so
gcc examples/ucp_client_server.c -lucp -lucs -o ucp_client_server -Iinstall/include -Linstall/lib
export LD_LIBRARY_PATH=/home/software/ucx/lib
./ucp_client_server &
./ucp_client_server -n

cd /home/share/cd /home/share/
tar -jxf openmpi-4.0.5.tar.bz2
cd openmpi-4.0.5/
./configure --prefix=/home/software/openmpi --with-ucx=/home/software/ucx
需要使用Intel编译器，可以改用下面两条命令：
#source /home/software/intel/bin/compilervars.sh intel64
#./configure --prefix=/home/software/openmpi --with-ucx=/home/software/ucx CC=icc CXX=icpc FC=ifort
make -j2 && make install

vi /home/software/modules/openmpi

#%Module1.0

set             OPENMPI                 /home/software/openmpi
prepend-path    PATH                    ${OPENMPI}/bin
prepend-path    LD_LIBRARY_PATH         ${OPENMPI}/lib
prepend-path    INCLUDE                 ${OPENMPI}/include

module add openmpi

测试：
which mpicc
cd /home/share/openmpi-3.1.6/examples/
mpicc -o hello_c hello_c.c
mpirun -n 4 ./hello_c
mpirun --allow-run-as-root -n 4 ./hello_c
module purge