mpirun配置,通过infiniband的ib卡进行通讯
1)gcc编译器从4.4升级到4.8
2)openmpi 1.4.5重新编译
3)修改/etc/security/limits.conf
* soft memlock unlimited
* hard memlock unlimited
修改/etc/security/limits.d/90-nproc.conf 同上
4) 用户ssh-keygen,无密码登陆
5) mpirun -n 10 -mca btl openib,self … …
顺利运行!