[dpdk-dev] [PATCH v2 6/7] virtio: simple tx routine

[Stephen Hemminger]

On Sun, 18 Oct 2015 14:29:03 +0800
Huawei Xie <huawei.xie at intel.com> wrote:

> bulk free of mbufs when clean used ring.
> shift operation of idx could be further saved if vq_free_cnt means
> free slots rather than free descriptors.
> 
> Signed-off-by: Huawei Xie <huawei.xie at intel.com>

Did you measure this. I finished my transmit optimizations and gets 25% performance improvement
without any of these restrictions.