两个计时函数:getTickCount() 和getTickFrequency()
getTickCount:返回CPU自某个事件以来走过的时钟周期数
getTickFrequency:表示一秒钟所走的时钟周期数
计时函数的具体用法:
初始时间:double time1 = static_cast<double>(getTickCount());
运行时间:time2 = ((double)getTickCount()-time1)/getTickFrequency();
两个计时函数:getTickCount() 和getTickFrequency()
getTickCount:返回CPU自某个事件以来走过的时钟周期数
getTickFrequency:表示一秒钟所走的时钟周期数
计时函数的具体用法:
初始时间:double time1 = static_cast<double>(getTickCount());
运行时间:time2 = ((double)getTickCount()-time1)/getTickFrequency();