Member | Description |
---|---|
static tick_count now() |
Current wall clock timestamp. |
static double resolution() |
The resolution of the clock in seconds. |
tick_count::interval_t operator-( const tick_count& t1, const tick_count& t0 ) |
Relative time that t1 occurred after t0. |
On Microsoft Windows* operating systems, the current implementation uses the function QueryPerformanceCounter. Some systems may have bugs in their basic input/output system (BIOS) or hardware abstraction layer (HAL) that cause different processors to return different time results.