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From: Luke Gorrie <luke@snabb.co>
Date: Mon, 26 Sep 2016 07:37:18 +0200
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On 22 September 2016 at 11:01, Jianbo Liu <jianbo.liu@linaro.org> wrote:

> Tested with testpmd, host: txonly, guest: rxonly
> size (bytes)     improvement (%)
> 64                    4.12
> 128                   6
> 256                   2.65
> 512                   -1.12
> 1024                 -7.02
>

Have you considered testing with more diverse workloads e.g. mixed packet
sizes that are not always multiples of the cache line & register sizes?