On 08/04/16 23:49, Ben RUBSON wrote:

On 04 Aug 2016, at 20:15, Ryan Stone <ryst...@gmail.com> wrote:

On Thu, Aug 4, 2016 at 11:33 AM, Ben RUBSON <ben.rub...@gmail.com> wrote:
But even without RSS, I should be able to go up to 2x40Gbps, don't you think so 
?
Nobody already did this ?

Try this patch
(...)

I also just tested the NODEBUG kernel but it did not help.

Hi,

When running these tests, do you see any CPUs fully utilized?

Did you check the RX/TX pauseframes settings and the mlx4 sysctl statistics counters, if there is packet loss?

--HPS

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