use time.perf_counter instead of time.time

[sizhky]

time. perf_counter() uses the processor's performance counter to measure time while time. time() uses the system clock.

In general, perf_counter() is more precise and has a higher resolution than time() , so it's often the better choice for timing small code blocks or individual statements, and this is recommended by python's builtin time module

[koaning]

That's a fair add. Will add a reminder to make a new release.