DPDK usage discussions
 help / color / mirror / Atom feed
From: Stephen Hemminger <stephen@networkplumber.org>
To: Mauricio Valdueza <mvaldueza@vmware.com>
Cc: "Wiles, Keith" <keith.wiles@intel.com>,
	Andrew Theurer <atheurer@redhat.com>,
	"users@dpdk.org" <users@dpdk.org>
Subject: Re: [dpdk-users] Any way to get more that 40Mpps with 64bytes using a XL710 40Gb nic
Date: Fri, 29 Sep 2017 14:30:47 -0700	[thread overview]
Message-ID: <20170929143047.65edac77@xeon-e3> (raw)
In-Reply-To: <058CF6F5-F30E-41FA-AAE0-6EEA4BAE315D@vmware.com>

On Fri, 29 Sep 2017 20:53:10 +0000
Mauricio Valdueza <mvaldueza@vmware.com> wrote:

> Hi Guys
> 
> Max theoretical value is 56.8 Mpps… but practical PCie limitations allow us to reach 42Mpps
> 
> I am reaching 36Mpps, so where are the 6Mpps lost ( ?
> 

Firmware?
PCI x16?
PCI also has per-transaction overhead?

  reply	other threads:[~2017-09-29 21:30 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-28 11:06 Mauricio Valdueza
2017-09-28 20:59 ` Wiles, Keith
2017-09-29  2:40   ` Andrew Theurer
2017-09-29  4:22     ` Wiles, Keith
2017-09-29 20:53       ` Mauricio Valdueza
2017-09-29 21:30         ` Stephen Hemminger [this message]
2017-10-02 11:48         ` Andrew Theurer
2017-10-09 16:02           ` Mauricio Valdueza

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=20170929143047.65edac77@xeon-e3 \
    --to=stephen@networkplumber.org \
    --cc=atheurer@redhat.com \
    --cc=keith.wiles@intel.com \
    --cc=mvaldueza@vmware.com \
    --cc=users@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).