Terence, if you are using or compiling multiple MPI versions on your system
are you setting up a Modules environment?
Modules is heavily used in HPC systems - it will configure your
environment, for example PATH and LD_LIBRARY_PATH in a fashion which is
correct for the MPI version you want to use i
You might want to see if your OS has Open MPI installed into default binary /
library search paths; you might be able to uninstall it easily.
Otherwise, even if you explicitly run the mpirun you just built+installed, it
might find the libmpi.so from some other copy of Open MPI.
Alternatively,
Hi Jeff,
I think you're onto something with the multiple copies.
For this reason, I also tried to run:
```
/usr/local/openmpi-5.0.3/bin/mpirun --version
```
To make sure I'm running the correct copy, but this one crashes with the
same error.
As a next step, I can try to install OpenMPI on a di
