$ $SG_TEST_EXENV ./sd_comm_throttling --cfg=network/TCP_gamma:4194304 ${srcdir:=.}/2clusters.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'network/TCP_gamma' to '4194304'
-> [0.000000] [surf_host/INFO] surf_host_model_init_ptask_L07
+> [0.000000] [surf_host/INFO] Switching to the L07 model to handle parallel tasks.
> [1.000000] [sd_comm_throttling/INFO] Simulation stopped after 1.0000 seconds
> [1.000000] [sd_comm_throttling/INFO] Task 'Task A' start time: 0.000000, finish time: 1.000000
> [2.080300] [sd_comm_throttling/INFO] Simulation stopped after 2.0803 seconds