Re: [PATCH 0/3] riscv: optimized mem* functions

[Bin Meng]

Hi Matteo,

On Tue, Jun 15, 2021 at 10:39 AM Matteo Croce
<mcroce@xxxxxxxxxxxxxxxxxxx> wrote:
>
> From: Matteo Croce <mcroce@xxxxxxxxxxxxx>
>
> Replace the assembly mem{cpy,move,set} with C equivalent.
>
> Try to access RAM with the largest bit width possible, but without
> doing unaligned accesses.
>
> Tested on a BeagleV Starlight with a SiFive U74 core, where the
> improvement is noticeable.
>

There is already a patch on the ML for optimizing the assembly version.
https://patchwork.kernel.org/project/linux-riscv/patch/20210216225555.4976-1-gary@xxxxxxxxxxx/

Would you please try that and compare the results?

Regards,
Bin