On Thu, Feb 19, 2015 at 06:18:43AM -0500, Rob Seastrom wrote: > > Bryan Seitz <[email protected]> writes: > > > odroid-c1 + eMMC module + RTC battery + case + power adapter. > > Should run you about $75 *AND* wouldn't be bad for running NTP as > > well. > > I haven't looked into the details of the clock, so "wouldn't be bad" > is probably true, "notably good", well, that would be a task for > someone with experience doing clock benchmarking and who can describe > MAVAR without looking it up. > > > The gig-e port on the C1 has been observed to push 405Mbps TX and > > 940Mbps+ RX via iperf. > > The 405 Mbps for TX. I've seen around 30 Mbyte/sec on single stream > TCP RX. Got 99.5 Mbyte/sec from a Mac Mini in the same subnet so > that's not a limit of the host on the other end of the benchmark. > > I call shenanigans on the 940 Mbps iperf number though. The HSIC bus > is only 480 Mbit/sec. Two pints of beer in a one pint glass would be > some trick.
http://dn.odroid.com/homebackup/201411241452444193.jpg I don't think it lives on the 480Mbit/sec limited bus here. [ 3] local 192.168.1.4 port 53391 connected with 192.168.1.21 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 488 MBytes 409 Mbits/sec [ 4] local 192.168.1.4 port 5001 connected with 192.168.1.21 port 34581 [ ID] Interval Transfer Bandwidth [ 4] 0.0-10.0 sec 1.09 GBytes 939 Mbits/sec -- Bryan G. Seitz
