> [11.714617112501687] CommTask(comm) finished (1)
> [20.388399000968448] ExecTask(exec1) finished (2)
> [21.90881661298591] CommTask(comm) finished (2)
-> [24.82146412938331] ExecTask(exec2) finished (1)
-> [37.92831114626493] ExecTask(exec2) finished (2)
+> [24.821464129383305] ExecTask(exec2) finished (1)
+> [37.928311146264925] ExecTask(exec2) finished (2)