Time is expressed as seconds since some arbitrary time in the past; it is not correlated in any way to the time of day, and thus is not subject to resetting or drifting. The hi-res timer is ideally suited to performance measurement tasks, where cheap, accurate interval timing is required.



#> [1] 1578954087
# R rounds doubles to 7 digits by default, see greater precision by setting # the digits argument when printing print(hires_time(), digits = 20)
#> [1] 1578954086.5076181889
# Generally used by recording two times and then subtracting them start <- hires_time() end <- hires_time() elapsed <- end - start elapsed
#> [1] 0.0005452633