Date: Thu, 12 Nov 2015 09:56:03 -0800 From: John-Mark Gurney <jmg@funkthat.com> To: Allan Jude <allanjude@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: OpenSSH HPN Message-ID: <20151112175603.GZ65715@funkthat.com> In-Reply-To: <5644C937.6030103@freebsd.org> References: <86io5a9ome.fsf@desk.des.no> <5643B3EB.1040002@FreeBSD.org> <20151112000651.GH48728@zxy.spb.ru> <5644C937.6030103@freebsd.org>
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Allan Jude wrote this message on Thu, Nov 12, 2015 at 12:15 -0500: > 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. > > 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. You don't need the aesni.ko module loaded for OpenSSL (which is how OpenSSH uses most crypto algos) to use AES-NI.. Also, do you set any sysctl's to play w/ the buffer sizes or anything? > I am still debugging my dummynet setup to be able to prove that HPN > makes a difference (but it does). Does my example on the page not work for you? > https://wiki.freebsd.org/SSHPerf -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."
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