[Python-Dev] cpython: Issue #14428: Use the new time.perf_counter() and time.process_time() functions

[Georg Brandl]

On 01.05.2012 10:35, Victor Stinner wrote:
>>> diff --git a/Lib/timeit.py b/Lib/timeit.py
>>> --- a/Lib/timeit.py
>>> +++ b/Lib/timeit.py
>>> @@ -15,8 +15,8 @@
>>>    -n/--number N: how many times to execute 'statement' (default: see below)
>>>    -r/--repeat N: how many times to repeat the timer (default 3)
>>>    -s/--setup S: statement to be executed once initially (default 'pass')
>>> -  -t/--time: use time.time() (default on Unix)
>>> -  -c/--clock: use time.clock() (default on Windows)
>>> +  -t/--time: use time.time()
>>> +  -c/--clock: use time.clock()
>>
>> Does it make sense to keep the options this way?  IMO the distinction should be
>> to use either perf_counter() or process_time(), and the options could implement
>> this (-t -> perf_counter, -c -> process_time).
> 
> You might need to use exactly the same clock to compare performance of
> Python 3.2 and 3.3.
> 
> Adding an option to use time.process_time() is a good idea. Is anyone
> interested to implement it?

I implemented it in d43a8aa9dbef.  I also updated the docs in 552c207f65e4.

Georg