From: Pavel Odintsov <pavel.odintsov@gmail.com>
To: Andrew Theurer <atheurer@redhat.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 18:41:08 +0300 [thread overview]
Message-ID: <CALgsdbd__EBf+hnWxTNeNO-c8Dikyt1SM4eQQMsndSu2m-G+9w@mail.gmail.com> (raw)
In-Reply-To: <CAD5-U7TuQJsEqcrXQFaXr0=hO8gHKx_V_J+dwJw9zZ0bg4L5uw@mail.gmail.com>
Hello, Andrew!
What NIC have you used? Is it XL710?
On Mon, Jun 29, 2015 at 6:38 PM, Andrew Theurer <atheurer@redhat.com> wrote:
>
>
> 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
>
>
--
Sincerely yours, Pavel Odintsov
next prev parent reply other threads:[~2015-06-29 15:41 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
2015-06-29 15:41 ` Pavel Odintsov [this message]
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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