Searched refs:PerformanceFrequency (Results 1 – 1 of 1) sorted by relevance
665 static double PerformanceFrequency = 0.0; in SubtractTime() local667 if (PerformanceFrequency == 0.0) in SubtractTime()671 PerformanceFrequency = (double)frequency.QuadPart; in SubtractTime()674 return (double)(endTime - startTime) / PerformanceFrequency * 1e9; in SubtractTime()