Results gathered from my MacBook Pro Mid 2014 (2,5 GHz Quad-Core Intel Core i7, 16 GB 1600 MHz DDR3)
user system total real
1 fields, 0 nested levels: 0.000153 0.000002 0.000155 ( 0.000152)
1 fields, 2 nested levels: 0.000188 0.000001 0.000189 ( 0.000187)