[0]Execution time (MPI_Send): 2.001213; Send time: 0.000341
[1]Execution time (MPI_Send): 2.001231; Send time: 2.000874

[0]Execution time (MPI_Ssend): 2.022626; Send time: 0.000384
[1]Execution time (MPI_Ssend): 2.022571; Send time: 2.022247

[0]Execution time (MPI_Rsend): 2.018200; Send time: 0.000382
[1]Execution time (MPI_Rsend): 2.018145; Send time: 2.017824

[0]Execution time (MPI_Bsend): 2.000843; Send time: 0.000123
[1]Execution time (MPI_Bsend): 0.000254; Send time: 0.000105