On Thu, January 30, 2020 11:43, livio wrote:
> Dear all,
>
> I am unable to achieve decent throughput with a 1 GigE interface
> (Intel I210) on OpenBSD 6.6. When running iperf3 I get around 145Mbit/s.
>
> The config/setup is: APU2c4, Win10 notebook, no switch, Cat.6a cable,
> MTU 1500, 1000baseT, full-duplex, pf disabled, BSD.mp, no custom Kernel
> parameters/optimizations.
>
> With an increased MTU of 9000 (on both devices) the throughput is around
> 230-250Mbit/s.
>
> When running the same test with a FreeBSD 12.1 on the APU I achieve
> around 940Mbit/s (MTU 1500).
>
> The BIOS has been updated to the latest version (v4.11.0.2). The
> hardware of the device is: https://pcengines.ch/apu2c0.htm
>
> dmesg output:
> https://paste.ee/p/OeRbI
>
> Any inputs and help is highly appreciated.
>
> Many thanks,
> Livio
>
> PS: I ran the same tests on an APU1c4 with Realtek RTL8111E interfaces.
> The results were lower - around 95Mbit/s.
> https://pcengines.ch/apu1c4.htm
>
> PPS: Others also seem to have low throughput. None of the tuning
> recommendations I found online substantially improved my results:
> https://www.reddit.com/r/openbsd/comments/cg9vhq/poor_network_performance_pcengines_apu4/
I would cut Windows from it. I always get lower numbers when it is on one
end of the test. I know FreeBSD got higher results, would cut anyway.
Try one APU to the other. Did already?
matheus
--
"We will call you Cygnus,
the God of balance you shall be."
