[dpdk-dev] Could not achieve wire speed for 40GE with any DPDK version on XL710 NIC's

[Keunhong Lee]

I have not used XL710 or i40e.
I have no opinion for those NICs.

Keunhong.

2015-06-29 15:59 GMT+09:00 Pavel Odintsov <pavel.odintsov at gmail.com>:

> Hello!
>
> Lee, thank you so much for sharing your experience! What do you think
> about 40GE version of 82599?
>
> On Mon, Jun 29, 2015 at 2:35 AM, Keunhong Lee <dlrmsghd at gmail.com> wrote:
> > DISCLAIMER: This information is not verified. This is truly my personal
> > opinion.
> >
> > As I know, intel 82599 is the only 10G NIC which supports line rate with
> > minimum sized packets (64 byte).
> > According to our internal tests, Mellanox's 40G NICs even support less
> than
> > 30Mpps.
> > I think 40 Mpps is the hardware capacity.
> >
> > Keunhong.
> >
> >
> >
> > 2015-06-28 19:34 GMT+09:00 Pavel Odintsov <pavel.odintsov at gmail.com>:
> >>
> >> Hello, folks!
> >>
> >> We have execute bunch of tests for receive data with Intel XL710 40GE
> >> NIC. We want to achieve wire speed on this platform for traffic
> >> capture.
> >>
> >> But we definitely can't do it. We tried with different versions of
> >> DPDK: 1.4, 1.6, 1.8, 2.0. And have not success.
> >>
> >> We achieved only 40Mpps and could do more.
> >>
> >> Could anybody help us with this issue? Looks like this NIC's could not
> >> work on wire speed :(
> >>
> >> Platform: Intel Xeon E5 e5 2670 + XL 710.
> >>
> >> --
> >> Sincerely yours, Pavel Odintsov
> >
> >
>
>
>
> --
> Sincerely yours, Pavel Odintsov
>