Re: [PATCH] poly1305: generic C can be faster on chips with slow unaligned access

From: Herbert Xu
Date: Wed Nov 02 2016 - 20:49:48 EST

On Wed, Nov 02, 2016 at 11:00:00PM +0100, Jason A. Donenfeld wrote:
> Just tested. I get a 6% slowdown on my Skylake. No good. I think it's
> probably best to have the two paths in there, and not reduce it to
> one.

FWIW I'd rather live with a 6% slowdown than having two different
code paths in the generic code. Anyone who cares about 6% would
be much better off writing an assembly version of the code.

Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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