Re: OpenSSH HPN

On Thu, Nov 12, 2015 at 12:51:30PM -0500, Allan Jude wrote:

> On 2015-11-12 12:44, Slawa Olhovchenkov wrote:
> > On Thu, Nov 12, 2015 at 12:15:35PM -0500, Allan Jude wrote:
> > 
> >> On 2015-11-11 19:06, Slawa Olhovchenkov wrote:
> >>> On Wed, Nov 11, 2015 at 01:32:27PM -0800, Bryan Drewery wrote:
> >>>
> >>>> On 11/10/2015 1:42 AM, Dag-Erling Smørgrav wrote:
> >>>>>  I would also like to remove the NONE cipher
> >>>>> patch, which is also available in the port (off by default, just like in
> >>>>> base).
> >>>>
> >>>> Fun fact, it's been broken in the port for several months with no
> >>>> complaints. It was just reported and fixed upstream in the last day and
> >>>> I wrote in a similar fix in the port. That speaks a lot about its usage
> >>>> in the port currently.
> >>>
> >>> I am try using NPH/NONE with base ssh and confused: don't see
> >>> performance rise, too complex to enable and too complex for use.
> >>>
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> >>>
> >>
> >> I did a few quick (and dirty) benchmarks and it shows that the NONE
> >> cipher definitely makes a difference. Version of OpenSSL also seems to
> >> make a difference, as one might expect.
> >>
> >> Note: openssh from ports seems to link against both base and ports
> >> libcrypto, I am still trying to make sure this isn't corrupting my
> >> benchmark results.
> >>
> >> I am still debugging my dummynet setup to be able to prove that HPN
> >> makes a difference (but it does).
> >>
> >> https://wiki.freebsd.org/SSHPerf
> > 
> > I see you test NONE only on OpenSSH_7.1p1/1.0.2d.
> > I am try OpenSSH_6.6.1p1./1.0.1p (both side)
> > I am got about 500Mbit/s.
> > For OpenSSH_6.6.1p1/NONE I am got abot same.
> > 
> > I am don't see this combination in you table (OpenSSH_6.6.1p1./1.0.1p ix0 OpenSSH_6.6.1p1./1.0.1p)
> > 
> 
> If NONE is actually being used, big warnings will be printed to your screen:
> 
> WARNING: ENABLED NONE CIPHER
> WARNING: ENABLED NONE CIPHER
> 
> If you don't see this, NONE is not being used.

I am see this, of couse.