The sum of the ranks in process 0 is 6 it takes 0.001915 seconds for a message to travel between processes. The sum of the ranks in process 3 is 6 it takes 0.001938 seconds for a message to travel between processes. The sum of the ranks in process 1 is 6 it takes 0.002260 seconds for a message to travel between processes. The sum of the ranks in process 2 is 6 it takes 0.001947 seconds for a message to travel between processes.