Hello, A few comments below:
On Thu, Jun 01, 2023 at 09:09:32AM +0800, 深空探测 via users wrote: <...> > > To provide some context, I have successfully installed Open MPI version > 1.6.5 on my CentOS 7 system. However, when I attempted to run the command > "mpirun -n 2 -H wude,wude mpispeed 1000 10s 1", where "wude" is my > hostname, I encountered unexpected results. Instead of running with two > processes as intended, it appears that only one process was executed. The > output I received is as follows: ... 1) Why not using one of the openmpi versions provided by CentOS-7? $ yum list openmpi\* <...> Available Packages openmpi.i686 1.10.7-5.el7 base openmpi-devel.i686 1.10.7-5.el7 base openmpi.x86_64 1.10.7-5.el7 base openmpi-devel.x86_64 1.10.7-5.el7 base openmpi3.i686 3.1.3-2.el7 base openmpi3.x86_64 3.1.3-2.el7 base openmpi3-devel.i686 3.1.3-2.el7 base openmpi3-devel.x86_64 3.1.3-2.el7 base You have the choice of 1.x series or 3.1.y series.. + environment setup are pre-filled for environment-modules. 2) maybe you have one of them installed and conflicting with your self built openmpi 1.6.5 version? 3) CentOS-7 is nearing end-of-life Good luck. Tru -- Tru Huynh (PhD) | mailto:t...@pasteur.fr | tel +33 1 45 68 87 37 https://research.pasteur.fr/en/team/structural-bioinformatics/ Institut Pasteur, 25-28 rue du Docteur Roux, 75724 Paris CEDEX 15 France
