From: Andrew Theurer <atheurer@redhat.com>
To: Keunhong Lee <dlrmsghd@gmail.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] Could not achieve wire speed for 40GE with any DPDK version on XL710 NIC's
Date: Mon, 29 Jun 2015 10:38:29 -0500 [thread overview]
Message-ID: <CAD5-U7TuQJsEqcrXQFaXr0=hO8gHKx_V_J+dwJw9zZ0bg4L5uw@mail.gmail.com> (raw)
In-Reply-To: <CAKBXKmCCPQ0Mw9hZxDn2aRsCySvZW1GwUOXYr0x0tzbWyhrH1w@mail.gmail.com>
On Mon, Jun 29, 2015 at 10:06 AM, Keunhong Lee <dlrmsghd@gmail.com> wrote:
> 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@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@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.
>
This is approximately what I see as well.
> > >
> > > Keunhong.
> > >
> > >
> > >
> > > 2015-06-28 19:34 GMT+09:00 Pavel Odintsov <pavel.odintsov@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
> >
>
-Andrew
next prev parent reply other threads:[~2015-06-29 15:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-28 10:34 Pavel Odintsov
2015-06-28 23:35 ` Keunhong Lee
2015-06-29 6:59 ` Pavel Odintsov
2015-06-29 15:06 ` Keunhong Lee
2015-06-29 15:38 ` Andrew Theurer [this message]
2015-06-29 15:41 ` Pavel Odintsov
2015-07-01 12:06 ` Vladimir Medvedkin
2015-07-01 12:44 ` Pavel Odintsov
2015-07-01 12:59 ` Bruce Richardson
2015-07-01 13:05 ` Pavel Odintsov
2015-07-01 13:40 ` Vladimir Medvedkin
2015-07-01 14:22 ` Anuj Kalia
2015-07-01 17:32 ` Vladimir Medvedkin
2015-07-01 18:01 ` Anuj Kalia
2015-07-03 8:35 ` Pavel Odintsov
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