Re: [Python-Dev] Use QueryPerformanceCounter() for time.monotonic() and/or time.highres()?

2012年3月30日 18:11:14 -0700

On Mar 30, 2012, at 8:51 PM, Victor Stinner wrote:
> time.highres() (QPC) rate is only steady during a short duration
QPC is not even necessarily steady for a short duration, due to BIOS bugs, 
unless the code running your timer is bound to a single CPU core. 
<http://msdn.microsoft.com/en-us/library/ms644904> mentions 
SetThreadAffinityMask for this reason, despite the fact that it is usually 
steady for longer than that.
-glyph
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