High resolution timer.
Return the number of fractional seconds that it takes to evaluate
Measure the number of fractional seconds that it takes to evaluate
action, and print
msg postfixed with the
measured time in millisecond resolution.
Return a high-resolution time stamp in fractional SI seconds. The duration is guaranteed to be monotonically increasing and have at least millisecond resolution.
Return the smallest time difference in seconds that
ticksstd/time/timer/ticks: () -> ndet duration can measure.