[ntp:questions] What is the NTP recovery time from 16s step inGPSserver?

unruh unruh at invalid.ca
Fri Nov 2 06:37:11 UTC 2012

On 2012-11-02, Kennedy, Paul <P.Kennedy at fugro.com.au> wrote:
> That is one description.  Another would be it is a fully functional
> linux computer with LAN, HDMI, SVideo, Audio, USB, Serial, and a GPIO
> bus with the footprint of a credit card, no moving parts which draws
> only 2-3 watts for US$35.

Yes, it is pretty amazing. 

> My pi units run various processes such as NTP, web hosting and data IO
> at a fraction of the cost of conventional hardware.  Step changes in
> computing technology are pretty rare.  Having developed on them a couple
> of months, I put the pi into that category.
> Oh yes, and the silence of the pi's is worth the US$35 alone.
> It really depends if you prefer your glass to be half full or half empty
> ;-)
> regards
> pk
> -----Original Message-----
> From: questions-bounces+p.kennedy=fugro.com.au at lists.ntp.org
> [mailto:questions-bounces+p.kennedy=fugro.com.au at lists.ntp.org] On
> Behalf Of David Woolley
> Sent: Friday, 2 November 2012 12:32 AM
> To: questions at lists.ntp.org
> Subject: Re: What is the NTP recovery time from 16s step
> inGPSserver?
> unruh wrote:
>> Interrupt latencies in my measurements tended to be at the one or 2 
>> microsecond level. (drive a pin on the parallel port up, measuring 
>> when
> The Raspberry Pi is basically a headless PDA, using smart phone type
> processors.  It is optimised for power consumption, not speed.
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