STINNER Victor <vstin...@python.org> added the comment:
bench.py: measure the shortest possible sleep. Use time.sleep(1e-10): 0.1
nanosecond. It should be rounded to the resolution of the used sleep function,
like 1 ns on Linux.
On Linux with Fedora 34 Python 3.10 executable, I get:
Mean +- std dev: 60.5 us +- 12.9 us (80783 values)
On Windows with a Python 3.11 debug build, I get:
Mean +- std dev: 21.9 ms +- 7.8 ms (228 values)
Sadly, it seems like on Windows 10, one of the following function still uses
the infamous 15.6 ms resolution:
* CreateWaitableTimerW()
* SetWaitableTimer()
* WaitForMultipleObjects()
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Added file: https://bugs.python.org/file50294/bench.py
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<https://bugs.python.org/issue21302>
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