Re: tap device speed

[Maxime Coquelin <maxime.coquelin@redhat.com>]

On 10/4/23 08:17, David Marchand wrote:
> 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
> 
> 

Thanks for sharing David.
I'd like just to add some more information on VDUSE if you want to 
experiment with VDUSE, which is still under development:
https://gitlab.com/mcoquelin/vduse-doc

Maxime