1 read: [20, 0.025051, 0.026564]
2 write: [0, nan, 0.000000]
4 read: [20, 0.021075, 0.024640]
5 write: [0, nan, 0.000000]
7 read: [20, 0.020001, 0.023073]
8 write: [0, nan, 0.000000]
10 read: [20, 0.017839, 0.020229]
11 write: [0, nan, 0.000000]
13 read: [20, 0.023737, 0.022379]
14 write: [0, nan, 0.000000]
16 read: [20, 0.022981, 0.026452]
17 write: [0, nan, 0.000000]
19 read: [20, 0.020662, 0.020849]
20 write: [0, nan, 0.000000]
22 read: [20, 0.018728, 0.019016]
23 write: [0, nan, 0.000000]
25 read: [20, 0.022611, 0.025116]
26 write: [0, nan, 0.000000]
28 read: [20, 0.021769, 0.024115]
29 write: [0, nan, 0.000000]