Re: [OMPI users] Issue with Running MPI Job on CentOS 7

2023-06-14 Thread Jeff Squyres (jsquyres) via users
ications in the "examples" directory. From: 深空探测 Sent: Tuesday, June 13, 2023 8:59 PM To: Open MPI Users Cc: John Hearns ; Jeff Squyres (jsquyres) ; gilles.gouaillar...@gmail.com ; t...@pasteur.fr Subject: Re: [OMPI users] Issue with Running MPI Job on

Re: [OMPI users] Issue with Running MPI Job on CentOS 7

2023-06-13 Thread John Hearns via users
ng the libraries between two different implmenetations >>> of MPI (e.g., Open MPI and MPICH are two entirely different implementations >>> of the same MPI API. They are written and maintained by different sets of >>> people, and are not binary compatible with each other). >>>

Re: [OMPI users] Issue with Running MPI Job on CentOS 7

2023-06-13 Thread 深空探测 via users
each other). >> >> If you'e just starting out in MPI, I'd strongly suggest ensuring that >> your system has exactly 1 implementation of MPI installed (e.g., Open MPI >> v4.1.5). Ensure that no other versions of Open MPI or MPICH -- or any >> other MPI

Re: [OMPI users] Issue with Running MPI Job on CentOS 7

2023-06-12 Thread John Hearns via users
n MPI or MPICH -- or any > other MPI implementation -- are installed. That way, you can avoid > confusing issues with libraries that are similar-but-different, ... etc. > > > ------------------ > *From:* users on behalf of 深空探测 via > users > *Sent:* Sunday, June 11, 2023 11:28 AM > *To:* Open

Re: [OMPI users] Issue with Running MPI Job on CentOS 7

2023-06-12 Thread Jeff Squyres (jsquyres) via users
sues with libraries that are similar-but-different, ... etc. From: users on behalf of 深空探测 via users Sent: Sunday, June 11, 2023 11:28 AM To: Open MPI Users Cc: 深空探测 Subject: Re: [OMPI users] Issue with Running MPI Job on CentOS 7 Subject: Open MPI Installation Issues Hel

Re: [OMPI users] Issue with Running MPI Job on CentOS 7

2023-06-11 Thread 深空探测 via users
Subject: Open MPI Installation Issues Hello, Despite following your previous suggestions, I am still encountering some problems. Below, I have outlined the specific challenges I am facing: 1. Installation with Updated Open MPI Version: I attempted to install the latest version of Open MPI (v4.1.

Re: [OMPI users] Issue with Running MPI Job on CentOS 7

2023-06-01 Thread Zhéxué M. Krawutschke via users
Hello together, regardless that CentOS 7.X already has EOL status, I would recommend, for example, that you always build/compile OpenMPI and the other tools yourself compile OpenMPI and the other tools to one's needs. It is true that it is more effort, but in the end it pays off, because the dis

Re: [OMPI users] Issue with Running MPI Job on CentOS 7

2023-06-01 Thread Tru Huynh via users
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

Re: [OMPI users] Issue with Running MPI Job on CentOS 7

2023-05-31 Thread Gilles Gouaillardet via users
Open MPI 1.6.5 is an antique version and you should not expect any support with it. Instead, I suggest you try the latest one, rebuild your app and try again. FWIW, that kind of error occurs when the MPI library does not match mpirun That can happen when mpirun and libmpi.so come from different ve

[OMPI users] Issue with Running MPI Job on CentOS 7

2023-05-31 Thread 深空探测 via users
Hi all, I am writing to seek assistance regarding an issue I encountered while running an MPI job on CentOS 7 virtual machine . 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,