SMB3 encryption performance

[Simo]

On Tue, 2015-02-17 at 15:11 -0500, Ira Cooper wrote:
> On Tue, Feb 17, 2015 at 01:47:38PM -0600, Steve French wrote:
> > Doesn't help for non-Linux, but I don't know how many other OS
> > have hardware optimizations for AES (other than Windows and Linux)
> 
> Anything running on Intel with access to the XMM registers.
> 
> http://iacr.org/archive/fse2009/56650054/56650054.pdf
> 
> I'd expect FreeBSD, Illumos, and just about anyone serious about
> supporting Intel to support these.
> 
> https://software.intel.com/en-us/articles/intel-advanced-encryption-standard-instructions-aes-ni
> 
> Supports this assessment.
> 
> Nothing requiring the kernel here... in fact I wouldn't want to use a
> kernel API for this at all!

+1 crossing the kernel boundary would be expensive.

Simo.

-- 
Simo Sorce