More explicit message about SMP at startup #1798

Job	Run time
LAMMPS / test_backends	10m 59s
GROMACS 2023 / test_backends	2m 58s
GROMACS (MDModules) / test_backends	3m 30s
GROMACS 2022 / test_backends	3m 5s
NAMD / test_backends	5m 37s
NAMD3 (no CUDA) / test_backends	6m 0s
VMD / test_backends	1m 55s
	34m 4s

Provide feedback