Re: [RFC V3 PATCH 0/8] Packed ring for vhost

From: Jason Wang
Date: Mon Apr 23 2018 - 21:04:22 EST




On 2018å04æ24æ 04:11, Konrad Rzeszutek Wilk wrote:
On Mon, Apr 23, 2018 at 10:59:43PM +0300, Michael S. Tsirkin wrote:
On Mon, Apr 23, 2018 at 03:31:20PM -0400, Konrad Rzeszutek Wilk wrote:
On Mon, Apr 23, 2018 at 01:34:52PM +0800, Jason Wang wrote:
Hi all:

This RFC implement packed ring layout. The code were tested with
Tiwei's RFC V2 a thttps://lkml.org/lkml/2018/4/1/48. Some fixups and
tweaks were needed on top of Tiwei's code to make it run. TCP stream
and pktgen does not show obvious difference compared with split ring.
I have to ask then - what is the benefit of this?
You can use this with dpdk within guest.
The DPDK version did see a performance improvement so hopefully with
Is there a link to this performance improvement document?


You probably want to this:

https://www.mail-archive.com/dev@xxxxxxxx/msg97735.html

Thanks