get_mpi_src();Returns the source code which is used based on HPC_LIB job variable. The variable indicates the HPC library which the mpi use to compile the source code. if the variable is not set, one of the other MPI implementations will be used(mpich, openmpi, mvapich2).
Returns an array with the mpi compiler and the source code located in /data/hpc
relogin_root();This sub logouts the root user and relogins him from terminal. Useful to rerun configuration scripts after some changes
setup_scientific_module();Installs the various scientific HPC libraries and prepares the environment for use https://documentation.suse.com/sle-hpc/15-SP3/single-html/hpc-guide/#sec-compute-lib
When subroutine returns immediately returns 1 to indicate that no relogin has occurred.