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Date:      Fri, 26 Apr 2013 13:19:47 -0400
From:      Mike Tancsa <mike@sentex.net>
To:        =?ISO-8859-1?Q?Olivier_Cochard-Labb=E9?= <olivier@cochard.me>
Cc:        "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, Erich Weiler <weiler@soe.ucsc.edu>
Subject:   Re: pf performance?
Message-ID:  <517AB733.7020302@sentex.net>
In-Reply-To: <CA%2Bq%2BTcru%2BYRc5JAumHBtWUu8C-WOFiAC3AckMmYthmZK9mT=MQ@mail.gmail.com>
References:  <5176E5C1.9090601@soe.ucsc.edu> <20130426134224.GV76816@FreeBSD.org> <CA%2Bq%2BTcru%2BYRc5JAumHBtWUu8C-WOFiAC3AckMmYthmZK9mT=MQ@mail.gmail.com>

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On 4/26/2013 12:22 PM, Olivier Cochard-Labbé wrote:
> On Fri, Apr 26, 2013 at 3:42 PM, Gleb Smirnoff <glebius@freebsd.org> wrote:
>>
>> In FreeBSD 10 pf is no longer under single lock. On your hardware,
>> I'd expect a measurable performance gain if you migrate to 10.
> 
> Compairing 9.1 and current (249908) on my new test-server (HP ProLiant
> DL320 G5, dual-core Xeon 3050, dual Intel NIC).
> Like usual: one unidirectional flow of small packets, values in
> packet-per-seconds:
> 
> x 9.1
> + current
>     N           Min           Max        Median           Avg        Stddev
> x   5        379991        381508        381229      380892.6     667.69926
> +   5        332833        335502        334726      334223.2     1142.8266
> Difference at 95.0% confidence
>         -46669.4 +/- 1364.98
>         -12.2526% +/- 0.358363%
>         (Student's t, pooled s = 935.915)


Is that because pf is slower on a single flow, or packet forwarding in
general is slower on HEAD ?  How different is 9.1 and HEAD in just
forwarding performance?

	---Mike



-- 
-------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike@sentex.net
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada   http://www.tancsa.com/



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