On 3/26/2012 10:59 PM, Matt Joiner wrote:
> So does anyone care to dig into the libstd++/boost/windoze
> implementation to see how they each did steady_clock?
The Boost implementation can be summarized as:
system_clock:
mac = gettimeofday
posix = clock_gettime(CLOCK_REALTIME)
win = GetSystemTimeAsFileTime
steady_clock:
mac = mach_absolute_time
posix = clock_gettime(CLOCK_MONOTONIC)
win = QueryPerformanceCounter
high_resolution_clock:
* = { steady_clock, if available
system_clock, otherwise }
Whether or not these implementations meet the specification is an
exercise left to the reader..
--
Scott Dial
[email protected]
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