On Mon, 20 Feb 2023 12:44:06 -0800
Bili Dong <qobilidop@gmail.com> wrote:

> Hi Cristian,
>
> I agree the 64-bit version could enable better performance, and I will do
> it in the next version.
>

Same optimizations as ipv4 checksum probably apply.
Aligning data, and duffs device, etc.

You might even be able to use vector instructions