NeilBrown <n...@brown.name> writes:

> I got your patch working on 4.20-rc5 and did a performance comparison.
> With the staging driver (using iperf3) I get
>   220 MBit/sec in
>   680 MBit/sec out
>
> with the patched mainline driver I get
>   190 MBit/sec in
>    93 MBit/sec out
>
> (numbers are a bit rubbery, but within 10%)
>
> I haven't looked into why this might be, but thought I would mention it.
>
> Strangely when I test with scp, I get about 10MB/sec in both directions
> with both drivers.  Maybe the CPU limits encryption speed.
>
> I have a 4.4-based kernel where I get 940MBit/sec both ways - using a
> precursor of the current staging driver.

Yes, thanks for bringing this up. I should have mentioned that I haven't
considered performance at all yet.


Bjørn

Reply via email to