DPDK patches and discussions
 help / color / mirror / Atom feed
From: Alexander Belyakov <abelyako@gmail.com>
To: Chas Williams <3chas3@gmail.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] bnx2x pmd performance expectations
Date: Tue, 29 Dec 2015 11:15:00 +0300	[thread overview]
Message-ID: <CAAQJX_SPteqFmHwD2R=He3cXY0tR5-Zo_J7-sv3KuPG82QC-QA@mail.gmail.com> (raw)
In-Reply-To: <1451251056.1893.4.camel@gmail.com>

Thank you for pointing this out. While it seems to me problem here is RX, I
will also look into TX burst limitations.

-a

On 28 December 2015 at 00:17, Chas Williams <3chas3@gmail.com> wrote:

> I wouldn't consider myself an expert on this driver but while looking
> at some other things, I have noted that RTE_PMD_BNX2X_TX_MAX_BURST is
> defined to be 1.  This bursts single packets to bnx2x_tx_encap() but it
> looks like bnx2x_tx_encap() is far more capable than that.
>
> On Tue, 2015-12-22 at 14:52 +0300, Alexander Belyakov wrote:
> > Hi,
> >
> > just tried to forward a lot of tiny packets with testpmd (dpdk-2.2.0)
> > running on Broadcom Corporation NetXtreme II BCM57810S 10 Gigabit
> > Ethernet
> > (rev 10) adapter. I see forwarding performance of 2.6Mpps instead of
> > expected 14.8Mpps. What should be done to achieve better results?
> >
> > Thank you,
> > Alexander Belyakov
>

  reply	other threads:[~2015-12-29  8:15 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-22 11:52 Alexander Belyakov
2015-12-27 21:17 ` Chas Williams
2015-12-29  8:15   ` Alexander Belyakov [this message]
2015-12-29 17:24     ` Harish Patil

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CAAQJX_SPteqFmHwD2R=He3cXY0tR5-Zo_J7-sv3KuPG82QC-QA@mail.gmail.com' \
    --to=abelyako@gmail.com \
    --cc=3chas3@gmail.com \
    --cc=dev@dpdk.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).