[ntp:questions] Dispaying nanoseconds

Richard B. gilbert rgilbert88 at comcast.net
Thu Feb 15 19:48:17 UTC 2007


mills at udel.edu wrote:
> Rune,
> 
> The vanilla ntptime shows precision, but it really should say 
> resolution. By definition, precision is the time taken to read the 
> system clock, ranging from 42 microseconds in a SPARC IPC to 500 
> nanoseconds in a Sun Blade 1500.
> 
> Dave

Dave,

That appears inconsistent with other NTP usage of precision, at least as 
I've understood it.  My understanding was that precision was the 
smallest difference in time that the clock could represent; e.g. the 
value of the least significant bit.




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