Re: [OMPI users] stdout scrambled in file

2021-12-05 Thread Ralph Castain via users
There are several output-controlling options - e.g., you could redirect the output from each process to its own file or directory. However, it makes little sense to me for someone to write convergence data into a file and then parse it. Typically, convergence data results from all procs reachin

Re: [OMPI users] stdout scrambled in file

2021-12-05 Thread Gus Correa via users
Hi Mark Back in the days I liked the mpirun/mpiexec *--tag-output *option. Jeff: Does it still exist? It may not prevent 100% the splitting of output lines, but tagging the lines with the process rank helps. You can grep the stdout log for the rank that you want, which helps a lot when several pro

Re: [OMPI users] stdout scrambled in file

2021-12-05 Thread Jeff Squyres (jsquyres) via users
FWIW: Open MPI 4.1.2 has been released -- you can probably stop using an RC release. I think you're probably running into an issue that is just a fact of life. Especially when there's a lot of output simultaneously from multiple MPI processes (potentially on different nodes), the stdout/stderr