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c++ - What's the equivalent of Windows' QueryPerformanceCounter on OSX?

in Technique[技术] by (71.8m points)

I'm porting a library from Windows to *NIX (currently OSX), does anyone now what function can I use instead of Microsoft's QueryPerformanceCounter and QueryPerformanceFrequency?

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by (71.8m points)

On OSX mach_absolute_time and mach_timebase_info are the best equivalents to Win32 QueryPerformance* functions.

See http://developer.apple.com/library/mac/#qa/qa1398/_index.html


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