0 init 1 init 2 init 0 allToAllV 100 1 40 30 1 20 150 1000 1 80 100 1 20 110 1 allToAllV 1000 80 1 40 1 100 160 1000 40 1 30 10 70 140 2 allToAllV 1000 100 30 1 1 120 150 1000 30 40 1 1 50 60 0 finalize 1 finalize 2 finalize