Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-02-06 Thread Gene Heskett
On Thursday, January 15, 2015 08:41:17 AM Terje Mathisen did opine And Gene did reply: http://linuxgizmos.com/tiny-fanless-mini-pc-runs-linux-on-quad-core-am d-soc/ This little guy starts at $129 and includes a serial port which should make it trivial to attach a Sure GPS board. With a

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-16 Thread Rob
Paul tik-...@bodosom.net wrote: On Thu, Jan 15, 2015 at 4:40 PM, Terje Mathisen terje.mathi...@tmsw.no wrote: Not in my msg, but in the subject of the entire thread. :-) I'm so used to nomail@example being wrong I had a knee-jerk reaction. My bad. You just can't stand being pointed at

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-16 Thread Hal Murray
Re. the Fitlet: With a 3.9 to 4.5 W power budget this box will never get into those ranges, but even handling 1K requests/second with sub-ms jitter and delay would still be a very nice Pool server. A Raspberry PI can do 1500 packets per second. That's a simple measurement with one request

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-16 Thread Charles Elliott
: [ntp:questions] Nice fanless high-perf NTP server: Fitlet! Paul tik-...@bodosom.net wrote: On Thu, Jan 15, 2015 at 4:40 PM, Terje Mathisen terje.mathi...@tmsw.no wrote: Not in my msg, but in the subject of the entire thread. :-) I'm so used to nomail@example being wrong I had a knee-jerk

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-16 Thread Paul
On Fri, Jan 16, 2015 at 2:02 AM, Terje Mathisen terje.mathi...@tmsw.no wrote: Anyway it is definitely possible to get into the 100K to 1M requests/second range. As I noted above the real problem isn't in the actual packet processing, which can be made very efficient indeed for the normal

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-16 Thread Paul
On Fri, Jan 16, 2015 at 9:02 AM, Charles Elliott elliott...@comcast.net wrote: Never tell a person he is wrong ... I'm not sure what your point is but that statement is ridiculous. Frequent and immediate correction is the PLL we want here. Wrong answers don't help anyone. By the way, you

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-16 Thread Rob
Paul tik-...@bodosom.net wrote: By the way, you can't send mail to nom...@example.com. I'm sure being somewhat anonymous enables statements like Harlan has decided to keep us in the dark and feed us shit.. That was VERY TRUE on that topic!! He did not tell us what was wrong and he grossly

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-16 Thread Terje Mathisen
Hal Murray wrote: Re. the Fitlet: With a 3.9 to 4.5 W power budget this box will never get into those ranges, but even handling 1K requests/second with sub-ms jitter and delay would still be a very nice Pool server. A Raspberry PI can do 1500 packets per second. OK, that's pretty nice

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-15 Thread Paul
On Thu, Jan 15, 2015 at 12:03 PM, Rob nom...@example.com wrote: Terje Mathisen terje.mathi...@tmsw.no wrote: it would seem to be a nice NTPD startum 1 server. Of course, it could still be good enough when you want to use it as a network time server. Which is what was suggested. After

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-15 Thread Rob
Terje Mathisen terje.mathi...@tmsw.no wrote: http://linuxgizmos.com/tiny-fanless-mini-pc-runs-linux-on-quad-core-amd-soc/ This little guy starts at $129 and includes a serial port which should make it trivial to attach a Sure GPS board. With a dual or quad 64-bit CPU, both SATA and SD

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-15 Thread Rob
Paul tik-...@bodosom.net wrote: On Thu, Jan 15, 2015 at 12:03 PM, Rob nom...@example.com wrote: Terje Mathisen terje.mathi...@tmsw.no wrote: it would seem to be a nice NTPD startum 1 server. Of course, it could still be good enough when you want to use it as a network time server.

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-15 Thread Paul
On Thu, Jan 15, 2015 at 8:41 AM, Terje Mathisen terje.mathi...@tmsw.no wrote: [Fitlet] includes a serial port which should make it trivial to attach a Sure GPS board. If they use a standard pinout. The PC-2i didn't support DCD which makes it not quite trivial. Hopefully the hardware

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-15 Thread Terje Mathisen
Paul wrote: On Thu, Jan 15, 2015 at 1:16 PM, Rob nom...@example.com wrote: It was suggested as a high-perf NTP server That string is not in the message. It's not a quote despite your quotation marks. Not in my msg, but in the subject of the entire thread. :-) Terje -- - Terje.Mathisen

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-15 Thread Terje Mathisen
Rob wrote: Terje Mathisen terje.mathi...@tmsw.no wrote: http://linuxgizmos.com/tiny-fanless-mini-pc-runs-linux-on-quad-core-amd-soc/ This little guy starts at $129 and includes a serial port which should make it trivial to attach a Sure GPS board. With a dual or quad 64-bit CPU, both SATA and

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-15 Thread Rob
Paul tik-...@bodosom.net wrote: On Thu, Jan 15, 2015 at 1:16 PM, Rob nom...@example.com wrote: It was suggested as a high-perf NTP server That string is not in the message. It's not a quote despite your quotation marks. It's in the subject, idiot!

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-15 Thread Paul
On Thu, Jan 15, 2015 at 2:20 PM, David Taylor david-tay...@blueyonder.co.uk.invalid wrote: .. although expensive compared to a Raspberry Pi, if somewhat better in potential performance. Among my (S1) clique of clocks the leading predictor of offset is network connection not cpu. As you might

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-15 Thread Paul
On Thu, Jan 15, 2015 at 1:16 PM, Rob nom...@example.com wrote: It was suggested as a high-perf NTP server That string is not in the message. It's not a quote despite your quotation marks. ___ questions mailing list questions@lists.ntp.org

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-15 Thread Paul
On Thu, Jan 15, 2015 at 4:40 PM, Terje Mathisen terje.mathi...@tmsw.no wrote: Not in my msg, but in the subject of the entire thread. :-) I'm so used to nomail@example being wrong I had a knee-jerk reaction. My bad. This does give me the chance to ask what a high-perf NTP server might be.

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-15 Thread Paul
On Thu, Jan 15, 2015 at 9:23 PM, William Unruh un...@invalid.ca wrote: This does give me the chance to ask what a high-perf NTP server might be. I would have assumed the accuracy with which ntpd disciplines the computer The jitter variability (from loopstats) on one of my clocks is ~1e-7, on

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-15 Thread Terje Mathisen
Paul wrote: On Thu, Jan 15, 2015 at 4:40 PM, Terje Mathisen terje.mathi...@tmsw.no wrote: Not in my msg, but in the subject of the entire thread. :-) I'm so used to nomail@example being wrong I had a knee-jerk reaction. My bad. This does give me the chance to ask what a high-perf NTP

Re: [ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-15 Thread William Unruh
On 2015-01-15, Paul tik-...@bodosom.net wrote: On Thu, Jan 15, 2015 at 4:40 PM, Terje Mathisen terje.mathi...@tmsw.no wrote: Not in my msg, but in the subject of the entire thread. :-) I'm so used to nomail@example being wrong I had a knee-jerk reaction. My bad. This does give me the

[ntp:questions] Nice fanless high-perf NTP server: Fitlet!

2015-01-15 Thread Terje Mathisen
http://linuxgizmos.com/tiny-fanless-mini-pc-runs-linux-on-quad-core-amd-soc/ This little guy starts at $129 and includes a serial port which should make it trivial to attach a Sure GPS board. With a dual or quad 64-bit CPU, both SATA and SD storage connectors and versions that support