[ovs-dev] 答复: 答复: [PATCH v6] Use TPACKET_V3 to accelerate veth for userspace datapath

Yi Yang (杨燚)-云服务集团 yangyi01 at inspur.com
Wed Mar 18 04:08:51 UTC 2020


Ok, I will send out v7 with these changes.

-----邮件原件-----
发件人: William Tu [mailto:u9012063 at gmail.com] 
发送时间: 2020年3月18日 11:56
收件人: Yi Yang (杨燚)-云服务集团 <yangyi01 at inspur.com>
抄送: i.maximets at ovn.org; blp at ovn.org; yang_y_yi at 163.com; ovs-dev at openvswitch.org
主题: Re: [ovs-dev] 答复: [PATCH v6] Use TPACKET_V3 to accelerate veth for userspace datapath

On Tue, Mar 17, 2020 at 7:00 PM Yi Yang (杨燚)-云服务集团 <yangyi01 at inspur.com> wrote:
>
> By the way, with tpacket_v3, zero copy optimization and is_pmd=true, the performance is much better, 3.77Gbps, (3.77-1.34)/1.34 = 1.81 , i.e. 181% improvement, here is the performance data.
>
Can you send out the tpacket_v3 patch together with these optimizations to the mailing list?
Thanks
William


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