[time-nuts] A Time-Nut's Worst Nightmare
phk at phk.freebsd.dk
Sat May 11 16:04:54 EDT 2013
In message <518E2C65.80204 at rubidium.dyndns.org>, Magnus Danielson writes:
>The end result will be a clock which in long term is showing the right
>time, but have short term variations. Since it is a lag scheme, it will
>also on average be behind.
Wouldn't it be easier to simply implement a random walk with a square-law
sort of gravity anchored at the right time ?
That way it would sometimes be ahead, sometimes behind, but keep
correct time on average.
And you could make the movement truly random and non-periodic.
I'm sure that's how the watchmakers guild did it.
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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