All of lore.kernel.org
 help / color / mirror / Atom feed
From: Brenden Blanco <bblanco@plumgrid.com>
To: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: netdev@vger.kernel.org, kafai@fb.com, daniel@iogearbox.net,
	tom@herbertland.com, john.fastabend@gmail.com,
	gerlitz.or@gmail.com, hannes@stressinduktion.org,
	rana.shahot@gmail.com, tgraf@suug.ch,
	"David S. Miller" <davem@davemloft.net>,
	as754m@att.com, saeedm@mellanox.com, amira@mellanox.com,
	tzahio@mellanox.com, Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [net-next PATCH RFC] mlx4: RX prefetch loop
Date: Mon, 11 Jul 2016 09:00:56 -0700	[thread overview]
Message-ID: <20160711160054.GA22729@gmail.com> (raw)
In-Reply-To: <20160711130922.636ee4e6@redhat.com>

On Mon, Jul 11, 2016 at 01:09:22PM +0200, Jesper Dangaard Brouer wrote:
[...]
> This patch is based on top of Brenden's patch 11/12, and is mean to
> replace patch 12/12.
> 
> Prefetching is very important for XDP, especially when using a CPU
> without DDIO (here i7-4790K CPU @ 4.00GHz).
> 
> Program xdp1: touching-data and dropping packets:
>  * 11,363,925 pkt/s == no-prefetch
>  * 21,031,096 pkt/s == brenden's-prefetch
>  * 21,062,728 pkt/s == this-prefetch-patch
> 
> Program xdp2: write-data (swap src_dst_mac) TX-bounce out same interface:
>  *  6,726,482 pkt/s == no-prefetch
>  * 10,378,163 pkt/s == brenden's-prefetch
>  * 10,622,350 pkt/s == this-prefetch-patch
> 
I see the same XDP numbers in my setup with this patch as well.

[...]

  reply	other threads:[~2016-07-11 16:01 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-08  2:15 [PATCH v6 00/12] Add driver bpf hook for early packet drop and forwarding Brenden Blanco
2016-07-08  2:15 ` [PATCH v6 01/12] bpf: add XDP prog type for early driver filter Brenden Blanco
2016-07-09  8:14   ` Jesper Dangaard Brouer
2016-07-09 13:47     ` Tom Herbert
2016-07-10 13:37       ` Jesper Dangaard Brouer
2016-07-10 17:09         ` Brenden Blanco
2016-07-10 20:30           ` Tom Herbert
2016-07-11 10:15             ` Daniel Borkmann
2016-07-11 12:58               ` Jesper Dangaard Brouer
2016-07-10 20:27         ` Tom Herbert
2016-07-11 11:36           ` Jesper Dangaard Brouer
2016-07-10 20:56   ` Tom Herbert
2016-07-11 16:51     ` Brenden Blanco
2016-07-11 21:21       ` Daniel Borkmann
2016-07-10 21:04   ` Tom Herbert
2016-07-11 13:53     ` Jesper Dangaard Brouer
2016-07-08  2:15 ` [PATCH v6 02/12] net: add ndo to set xdp prog in adapter rx Brenden Blanco
2016-07-10 20:59   ` Tom Herbert
2016-07-11 10:35     ` Daniel Borkmann
2016-07-08  2:15 ` [PATCH v6 03/12] rtnl: add option for setting link xdp prog Brenden Blanco
2016-07-08  2:15 ` [PATCH v6 04/12] net/mlx4_en: add support for fast rx drop bpf program Brenden Blanco
2016-07-09 14:07   ` Or Gerlitz
2016-07-10 15:40     ` Brenden Blanco
2016-07-10 16:38       ` Tariq Toukan
2016-07-09 19:58   ` Saeed Mahameed
2016-07-09 21:37     ` Or Gerlitz
2016-07-10 15:25     ` Tariq Toukan
2016-07-10 16:05       ` Brenden Blanco
2016-07-11 11:48         ` Saeed Mahameed
2016-07-11 21:49           ` Brenden Blanco
2016-07-08  2:15 ` [PATCH v6 05/12] Add sample for adding simple drop program to link Brenden Blanco
2016-07-09 20:21   ` Saeed Mahameed
2016-07-11 11:09   ` Jamal Hadi Salim
2016-07-11 13:37     ` Jesper Dangaard Brouer
2016-07-16 14:55       ` Jamal Hadi Salim
2016-07-08  2:15 ` [PATCH v6 06/12] net/mlx4_en: add page recycle to prepare rx ring for tx support Brenden Blanco
2016-07-08  2:15 ` [PATCH v6 07/12] bpf: add XDP_TX xdp_action for direct forwarding Brenden Blanco
2016-07-08  2:15 ` [PATCH v6 08/12] net/mlx4_en: break out tx_desc write into separate function Brenden Blanco
2016-07-08  2:15 ` [PATCH v6 09/12] net/mlx4_en: add xdp forwarding and data write support Brenden Blanco
2016-07-08  2:15 ` [PATCH v6 10/12] bpf: enable direct packet data write for xdp progs Brenden Blanco
2016-07-08  2:15 ` [PATCH v6 11/12] bpf: add sample for xdp forwarding and rewrite Brenden Blanco
2016-07-08  2:15 ` [PATCH v6 12/12] net/mlx4_en: add prefetch in xdp rx path Brenden Blanco
2016-07-08  3:56   ` Eric Dumazet
2016-07-08  4:16     ` Alexei Starovoitov
2016-07-08  6:56       ` Eric Dumazet
2016-07-08 16:49         ` Brenden Blanco
2016-07-10 20:48           ` Tom Herbert
2016-07-10 20:50           ` Tom Herbert
2016-07-11 14:54             ` Jesper Dangaard Brouer
2016-07-08 15:20     ` Jesper Dangaard Brouer
2016-07-08 16:02       ` [net-next PATCH RFC] mlx4: RX prefetch loop Jesper Dangaard Brouer
2016-07-11 11:09         ` Jesper Dangaard Brouer
2016-07-11 16:00           ` Brenden Blanco [this message]
2016-07-11 23:05           ` Alexei Starovoitov
2016-07-12 12:45             ` Jesper Dangaard Brouer
2016-07-12 16:46               ` Alexander Duyck
2016-07-12 19:52                 ` Jesper Dangaard Brouer
2016-07-13  1:37                   ` Alexei Starovoitov
2016-07-10 16:14 ` [PATCH v6 00/12] Add driver bpf hook for early packet drop and forwarding Tariq Toukan

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=20160711160054.GA22729@gmail.com \
    --to=bblanco@plumgrid.com \
    --cc=amira@mellanox.com \
    --cc=as754m@att.com \
    --cc=brouer@redhat.com \
    --cc=daniel@iogearbox.net \
    --cc=davem@davemloft.net \
    --cc=eric.dumazet@gmail.com \
    --cc=gerlitz.or@gmail.com \
    --cc=hannes@stressinduktion.org \
    --cc=john.fastabend@gmail.com \
    --cc=kafai@fb.com \
    --cc=netdev@vger.kernel.org \
    --cc=rana.shahot@gmail.com \
    --cc=saeedm@mellanox.com \
    --cc=tgraf@suug.ch \
    --cc=tom@herbertland.com \
    --cc=tzahio@mellanox.com \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.