From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Andrew Rybchenko <arybchenko@solarflare.com>, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] net/sfc: improve Rx free threshold default
Date: Fri, 5 Apr 2019 15:01:19 +0100 [thread overview]
Message-ID: <0e9bcc5f-209a-c855-65ca-0c5d3df46ea4@intel.com> (raw)
Message-ID: <20190405140119.HMqpTeJwYcjQzsqymkLqrTs1leKAq317A11ifWBzNvw@z> (raw)
In-Reply-To: <1554465907-11491-1-git-send-email-arybchenko@solarflare.com>
On 4/5/2019 1:05 PM, Andrew Rybchenko wrote:
> Rx refill in one bulk (which is just 8 descriptors) by default is too
> aggressive and makes too many MMIO writes (Rx doorbells) if packet rate
> is high. Setting default to 1/8 of Rx descriptors number shows good
> performance results. Anyway it is a default value which may be
> overridden by Rx configuration provided by application.
>
> Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Applied to dpdk-next-net/master, thanks.
next prev parent reply other threads:[~2019-04-05 14:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-05 12:05 Andrew Rybchenko
2019-04-05 12:05 ` Andrew Rybchenko
2019-04-05 14:01 ` Ferruh Yigit [this message]
2019-04-05 14:01 ` Ferruh Yigit
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=0e9bcc5f-209a-c855-65ca-0c5d3df46ea4@intel.com \
--to=ferruh.yigit@intel.com \
--cc=arybchenko@solarflare.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).