Yo Richard! On Sat, 23 Nov 2019 01:53:33 -0600 Richard Laager via devel <devel@ntpsec.org> wrote:
> That trade-off makes sense to me. But, of the two, it seems like
> following the PPS closely is what I'd want. The PPS is supposed to be
> more accurate than my computer.
There is a gpsd program in the contrib/ directory. It tests your
CPU granularity. On a Raspberry Pi that is about 52 ns. Worse
on an Intel chip.
> Now, if the computer is more accurate
> for short durations,
Never gonna happen with current CPUs.
The tradeoff is between time and frequency. Short poll leads to more
"accurate" time. Long poll leads to more "accurate" frequency.
ntpviz show this nicely.
RGDS
GARY
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