(original) (raw)
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