OpenMPI and Intel Compiler
Using openmpi/3.1.6-intel-20.0.4
on SRVX1 leads to wrong MPI behavior.
[serafin@srvx1 em_les]$ mpirun -np 4 ./a.out
process 0 : Hello world
process 0 : Hello world
process 0 : Hello world
process 0 : Hello world
Modules used:
openmpi/3.1.6-intel-20.0.4
intel-parallel-studio/composer.2020.4-intel-20.0.4
Works on VSC. Same issue on JET.