Gilles Gouaillardet

Are you running a MPI program or a python `mpi4py` script? If the former, did you build your program within the `conda` environment? From the `conda` environment, what does `type...

FWIW, I tried and it works for me (I used miniconda from wget https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh) How did you install `conda`?

please provide all the required information when opening a new issue.

@jinfagang since you did not provide any information, I will assume you try to build from the `git` repository. Unless you have a good reason to do so, you'd better...

@jinfagang you should not try to build from git on your first rodeo.

it is a bad practice to put automatically generated file into a source repository.

This is a SSH related warning (X11 related)

If you are using a release series, you can try (disclaimer, AFK/untested) ``` mpirun --mca pml_rsh_args -x ... ``` and see if it helps

from the logs, Open MPI 3.1.0 uses **both** `eth0` and `ib0`, but Open MPI 4.1.4 **only** uses `eth0`. I suggest you try forcing `ib0` and see how it goes ```...

This is because both MPI processes get pinned on core `0` and hence end up time sharing. You have two options: - pass `--bind-to none` to the `mpirun` command line...