$ $SG_TEST_EXENV ./sd_test2 ${srcdir:=.}/2clusters.xml
> [0.000000] [surf_workstation/INFO] surf_workstation_model_init_ptask_L07
$ $SG_TEST_EXENV ./sd_test2 ${srcdir:=.}/2clusters.xml
> [0.000000] [surf_workstation/INFO] surf_workstation_model_init_ptask_L07