On 11/1/05, Bulat Ziganshin
Hello Sebastian,
Tuesday, November 01, 2005, 5:21:44 PM, you wrote:
SS> I sometimes need wall-clock time with very high precision. To meassure
i use the following:
diffTimes (TOD sa pa) (TOD sb pb) = fromIntegral(sa - sb) + (fromIntegral(pa-pb) / 1e12)
-- Number of seconds since oprogram start return_real_secs = do start_time <- readIORef refClockTimeAtProgramStart current_time <- getClockTime return $ diffTimes current_time start_time
of course, it's a hack using internal details of current library and i also need the function which will return high-precision wall-clock time
Well, on my system, System.Time has a resolution of 16ms, which is terrible. So we need a function that uses the various high performance counters that each architecture exposes to get high-precison results. /S -- Sebastian Sylvan +46(0)736-818655 UIN: 44640862