time 4 us

sample avg 3.4

sample avg 3.6

sample avg 4.0

sample avg 3.6

sample avg 3.6

sample avg 3.2

sample avg 3.7

sample avg 2.9

sample avg 3.8

sample avg 3.3

sample avg 3.9

sample avg 3.6

sample avg 4.0

sample avg 3.0

sample avg 4.0

sample avg 3.5

sample avg 3.5

sample avg 3.0

sample avg 3.8

sample avg 3.8

sample avg 4.0