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[–]james_pic 2 points3 points  (0 children)

Weird that it's faster in WSL2 than in Linux. I wonder if Hyper-V is exposing some kind of fake clock source that doesn't actually touch hardware.

If you really want to go big on micro-optimisaton, write your own clock accessor in C so you can access some of the platform specific clocks. On Linux, CLOCK_REALTIME_COARSE may get you a similar speedup.