[Python-Dev] PEP 410 (Decimal timestamp): the implementation is ready for a review

[Antoine Pitrou]

Le mercredi 15 février 2012 à 18:58 +0100, Victor Stinner a écrit :
> It gives me differences smaller than 1000 ns on Ubuntu 11.10 and a
> Intel Core i5 @ 3.33GHz:
> 
> $ ./a.out
> 0 s, 781 ns
> $ ./a.out
> 0 s, 785 ns
> $ ./a.out
> 0 s, 798 ns
> $ ./a.out
> 0 s, 818 ns
> $ ./a.out
> 0 s, 270 ns

What is it supposed to prove exactly? There is a difference between
being able to *represent* nanoseconds and being able to *measure* them;
let alone give a precise meaning to them.

(and ironically, floating-point numbers are precise enough to represent
these numbers unambiguously)

Regards

Antoine.