Boost logo

Boost :

From: Silex (silex0r_at_[hidden])
Date: 2006-05-15 14:19:21

> The problem with QueryPerformanceCounter is that QueryPerformanceFrequency
> is not (AFAIK) required to return the same value every time. It may be CPU
> clock based, and a low power CPU can vary its frequency depending on load.

No, "the frequency cannot change while the system is running."

> FWIW, I have found timeGetTime pretty reliable on Windows as a monotonic
> time provider. It only has 1ms resolution, though.

timeGetTime() is good but QueryPerformanceCounter() has lower
overhead. Their resolution is similar tho.


Boost list run by bdawes at, gregod at, cpdaniel at, john at