Re: [PATCH 0/5] crypto: add NEON-optimized BLAKE2b

Jason A. Donenfeld
2020-12-16T22:34:26Z

Hi Eric,

On Wed, Dec 16, 2020 at 9:48 PM Eric Biggers <ebiggers@kernel.org> wrote:
> By the way, if people are interested in having my ARM scalar implementation of
> BLAKE2s in the kernel too, I can send a patchset for that too. It just ended up
> being slower than BLAKE2b and SHA-1, so it wasn't as good for the use case
> mentioned above. If it were to be added as "blake2s-256-arm", we'd have:

I'd certainly be interested in this. Any rough idea how it performs
for pretty small messages compared to the generic implementation?
100-140 byte ranges? Is the speedup about the same as for longer
messages because this doesn't parallelize across multiple blocks?

Jason