✘minpoll=maxpoll from 1 to 7
Gary E. Miller
gem at rellim.com
Thu Sep 22 02:07:46 UTC 2016
Yo All!
New data for poll=7 (128 Sec). Like before, all data is 90% bounds,
run over 24 hours or more. poll=8 up next.
Xeon:
Local Clock Local Clock Local Clock PPS PPS
Poll Freq Offset 90% Jitter 90% Stability 90% Offset 90% Jitter 90%
1 495ppb 16.9µs 27.7ppt 39.0µs 26.7µs
2 332ppb 20.9µs 15.6ppt 40.6µs 29.7µs
3 165ppb 20.5µs 7.5ppt 34.6µs 27.9µs
4 465ppb 15.5µs 3.1ppt 22.5µs 20.1µs
5 435ppb 13.3µs 3.4ppt 17.7µs 16.9µs
6 570ppb 10.2µs 1.2ppt 34.2µs 16.3µs
7 330ppb 11.0µs 1.4ppt 102 µs 21.2µs
7 is looking to prolly be past the best.
RasPi3:
Local Clock Local Clock Local Clock PPS PPS
Poll Freq Offset 90% Jitter 90% Stability 90% Offset 90% Jitter 90%
1 1.1 ppm 0.43µs 2.3 ppt 1.6µs 0.34µs
2 1.1 ppm 0.08µs 2.9 ppt 2.2µs 0.20µs
3 0.5 ppm 0.18µs 1.9 ppt 3.0µs 0.56µs
4 1.12ppm 1.27µs 2.26ppt 10.3µs 4.11µs
5 1.36ppm 1.34µs 2.64ppt 11.4µs 4.43µs
6 1.4 ppm 3.3 µs 2.2 ppt 68 µs 9.7 µs
7 1.15ppm 1.14µs 1.77ppt 9.4µs 3.45µs
6 sorta stands out. I'll eventualy rerun that one to be sure.
More to come.
RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
gem at rellim.com Tel:+1 541 382 8588
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