Rehearsal ---------------------------------------------------------
With pipelined          0.520000   0.010000   0.530000 (  0.705547)
With pipelined inside   2.300000   1.680000   3.980000 (  7.199414)
No pipeline             1.730000   1.620000   3.350000 (  6.429091)
------------------------------------------------ total: 7.860000sec

                            user     system      total        real
With pipelined          0.410000   0.010000   0.420000 (  0.559689)
With pipelined inside   2.280000   1.640000   3.920000 (  7.084943)
No pipeline             1.780000   1.590000   3.370000 (  6.435733)