On Sat, Nov 4, 2017 at 01:51, Chris Cappuccio <ch...@nmedia.net> wrote:

> Rupert Gallagher [r...@protonmail.com] wrote:

>>> Out of curiosity, I just tested an apu2c4 server with obsd 6.1, against a 
>>> windows 10 client on LAN with a 1Gbit CISCO switch in between and 9K MTU on 
>>> both sides, using iperf3 -P10. The result is a spectacular 950Mbits/sec.

>> This is not a regression.

> ????

>> The APU2 has limited CPU power and can handle larger packets much better 
>> than typically internet-routable 1500 byte packets.

> You seem to say that handling larger packets is a feature of having limited 
> CPU. I disagree.

>> The same traffic level, with 1500 byte packets generates 6 times more 
>> packets per second than that traffic level with 9000 bytes packets.

> You divided 9000 by 1500 without mistakes. Congratulations.

>> There is ongoing work to improve the network stack performance on boxes like 
>> the APU2 (which have 4 cores). You will see improvements. If you want it 
>> better today, you need a faster box. Chris

> The apu2c4 is fast enough to saturate its Intel 1Gbits/sec link. It has three 
> of those. If you connect all three to the switch, you get 3Gbps shy. No need 
> for a faster box. You rather need a faster switch, class 7 S-FTP wires 
> (better than class 6), and 2.5Gbps lan cards for clients.

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