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Performance issue in CTimer::getTime() on Windows #1

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opened 2018-10-03 15:02:04 +02:00 by Ghost · 0 comments
Ghost commented 2018-10-03 15:02:04 +02:00

The function CTimer::getTime() is one of the most frequently used function of UDT. It makes use QueryPerformanceFrequency for every single call. According to Microsoft, the performance frequency should be retrieved just once and cached because it won't change. See the description here:
https://msdn.microsoft.com/en-us/library/windows/desktop/ms644905(v=vs.85).aspx

The function CTimer::getTime() is one of the most frequently used function of UDT. It makes use QueryPerformanceFrequency for every single call. According to Microsoft, the performance frequency should be retrieved just once and cached because it won't change. See the description here: https://msdn.microsoft.com/en-us/library/windows/desktop/ms644905(v=vs.85).aspx
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