From: David Marchand <david.marchand@redhat.com>
To: Stephen Hemminger <stephen@networkplumber.org>,
Antonio Di Bacco <a.dibacco.ks@gmail.com>
Cc: users@dpdk.org, Maxime Coquelin <maxime.coquelin@redhat.com>
Subject: Re: tap device speed
Date: Wed, 4 Oct 2023 08:17:08 +0200 [thread overview]
Message-ID: <CAJFAV8xZv_R5Wum9NS5+ggq=tnjk12KHueh0UtrCnxFVww58Cg@mail.gmail.com> (raw)
In-Reply-To: <20231003090112.77cd1d2c@hermes.local>
On Tue, Oct 3, 2023 at 6:01 PM Stephen Hemminger
<stephen@networkplumber.org> wrote:
>
> On Tue, 3 Oct 2023 10:49:16 +0200
> Antonio Di Bacco <a.dibacco.ks@gmail.com> wrote:
>
> > I understand, could we use another solution ? Like a memif interface
> > in DPDK and libmemif in Linux?
>
> The issue is accessing kernel networking devices. Both virtio user
> and XDP are faster for that. Memif is for doing process to process networking.
For dpdk <-> kernel, as you are mentioning virtio-user/vhost, let me
add that there is some activity on this side, with VDUSE.
Maxime is working on the VDUSE kernel and dpdk bits.
He gave a talk about the current status during the summit and some
performance numbers:
https://dpdksummit2023.sched.com/event/1P9xA/vduse-performance-how-fast-is-it-maxime-coquelin-red-hat
--
David Marchand
next prev parent reply other threads:[~2023-10-04 6:17 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-02 19:13 Antonio Di Bacco
2023-10-02 21:21 ` Stephen Hemminger
2023-10-03 8:49 ` Antonio Di Bacco
2023-10-03 16:01 ` Stephen Hemminger
2023-10-04 6:17 ` David Marchand [this message]
2023-10-04 7:08 ` Maxime Coquelin
2023-10-04 7:42 ` Antonio Di Bacco
2023-10-04 7:49 ` Maxime Coquelin
2023-10-09 17:48 ` Antonio Di Bacco
2023-10-09 18:42 ` Maxime Coquelin
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