Re: [boost] date_time using CPU performance counter

Subject: Re: [boost] date_time using CPU performance counter
From: Vicente J. Botet Escriba (vicente.botet_at_[hidden])
Date: 2011-11-17 14:51:48

Le 17/11/11 20:28, Kenneth Porter a écrit :
> I need high precision under Windows XP but don't need long-term date
> accuracy. To that end, I think it would be useful to have a microsec_clock
> implemented in terms of the Windows QueryPerformanceCounter API (which
> wraps a CPU register query) instead of the GetSystemTimeAsFileTime API
> (which is only good to 15 msecs and almost guarantees a context switch).
>
> Has anyone attempted this? How hard is it to code up a new clock source to
> fit into the Boost date_time design?
>
>
Boost.Chrono provided different clocks, but no date. Maybe this is was 
you are locking for :)

Best,
Vicente
>