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[Python-ideas] Add time.time_ns(): system clock with nanosecond resolution

Antoine Pitrou solipsis at pitrou.net
Sat Oct 14 11:56:36 EDT 2017 
On Sun, 15 Oct 2017 01:46:50 +1000
Nick Coghlan <ncoghlan at gmail.com> wrote:
> 
> Might it make more sense to have a parallel *module* that works with a
> different base data type rather than parallel functions within the existing
> API?
> 
> That is, if folks wanted to switch to 64-bit nanosecond time, they would
> use:
> 
> * time_ns.time()
> * time_ns.monotonic()
> * time_ns.perf_counter()
> * time_ns.clock_gettime()
> * time_ns.clock_settime()
> 
> The idea here would be akin to the fact we have both math and cmath as
> modules, where the common APIs conceptually implement the same algorithms,
> they just work with a different numeric type (floats vs complex numbers).

-1 from me.  The math/cmath separation isn't even very well grounded, it
just mirrors the C API that those two modules reflect.  But regardless,
the *operations* in math and cmath are different and operate in
different domains (try e.g. ``sqrt(-1)``), which is not the case here.

Regards

Antoine.
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