Date: Sun, 15 Dec 2013 12:35:39 -0800 From: Adrian Chadd <adrian@freebsd.org> To: =?ISO-8859-1?Q?Olivier_Cochard=2DLabb=E9?= <olivier@cochard.me> Cc: Eitan Adler <lists@eitanadler.com>, Robert Millan <rmh@debian.org>, "debian-bsd@lists.debian.org" <debian-bsd@lists.debian.org>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: IPSEC Message-ID: <CAJ-VmokeLJv-2PMQfB1CvjXq0zhgx6LUao01jDCF8bh=wCq3vQ@mail.gmail.com> In-Reply-To: <CA%2Bq%2BTcrSZitbJkPJFO501O1MVWe8o2o%2BP_S_a3q21NdPtSGewQ@mail.gmail.com> References: <523457A1.3090606@debian.org> <CAF6rxgntjNFdr8unFQC=OWCNs7-UDYJaE30v4heWh_EeOg1JGA@mail.gmail.com> <CA%2Bq%2BTcrSZitbJkPJFO501O1MVWe8o2o%2BP_S_a3q21NdPtSGewQ@mail.gmail.com>
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If it's actually improving performance then it's likely some kind of data / code alignment / caching interplay. It'd be a good project to hunt that down and figure out what's going on. -a On 8 December 2013 11:02, Olivier Cochard-Labb=E9 <olivier@cochard.me> wrot= e: > On Sun, Dec 8, 2013 at 12:16 AM, Eitan Adler <lists@eitanadler.com> wrote= : >> Hi all, >> >> I understand this is an old thread but I do not see an answer here. >> Can anyone answer the question below? >> >> On Sat, Sep 14, 2013 at 8:33 AM, Robert Millan <rmh@debian.org> wrote: >>> >>> Hi! >>> >>> Is there any particular reason (performance, stability concerns...) >>> IPSEC support is not enabled in GENERIC? >>> >>> In Debian GNU/kFreeBSD we're considering enabling it in our default >>> builds, due to increased user demand and as it is already enabled for >>> our Linux-based flavours. >>> >>> However we're concerned about diverging from FreeBSD as there might be >>> unforeseen consequences. Is there any specific concern on your side? >>> >>> If not, perhaps it could be considered for HEAD after 10.0 release? >> >> > > Here are my own bench result regarding forwarding speed (paquet-per-secon= d) > with a kernel compiled without-ipsec and with ipsec (ipsec is not enabled > during the tests, just present on the kernel) of FreeBSD 10.0-PRERELEASE: > > ministat -s without-ipsec ipsec > x without-ipsec > + ipsec > +------------------------------------------------------------------------= --------+ > |x + x + +x x x + > +| > | |__________________A_____M____________| > | > | |_______________M_________A__________________________| > | > +------------------------------------------------------------------------= --------+ > N Min Max Median Avg Stdd= ev > x 5 1646075 1764528 1725461 1713080 44560.0= 59 > + 5 1685034 1833206 1724461 1748666.8 62356.2= 18 > No difference proven at 95.0% confidence > > I didn't see negative impact of enabling ipsec (it's even a little bit > better with it). > > Regards, > > Olivier > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
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