[Python-Dev] this is why we shouldn't call it a "monotonic clock" (was: PEP 418 is too divisive and confusing and should be postponed)
steve at pearwood.info
Fri Apr 6 12:12:50 CEST 2012
Glyph Lefkowitz wrote:
> On Apr 5, 2012, at 8:07 PM, Zooko Wilcox-O'Hearn wrote:
>> 2. Those who think that "monotonic clock" means a clock that never jumps,
>> and that runs at a rate approximating the rate of real time. This is a
>> very useful kind of clock to have! It is what C++ now calls a "steady
>> clock". It is what all the major operating systems provide.
> All clocks run at a rate approximating the rate of real time. That is very
> close to the definition of the word "clock" in this context. All clocks
> have flaws in that approximation, and really those flaws are the whole
> point of access to distinct clock APIs. Different applications can cope
> with different flaws.
I think that this is incorrect.
py> time.clock(); time.sleep(10); time.clock()
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