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Date:      Fri, 24 Nov 2006 16:18:03 -0500
From:      Mike Tancsa <mike@sentex.net>
To:        Divacky Roman <xdivac02@stud.fit.vutbr.cz>
Cc:        freebsd-performance@freebsd.org
Subject:   Re: em forwarding performance (was Proposed 6.2 em RELEASE patch
Message-ID:  <200611242117.kAOLHuBP012313@lava.sentex.ca>
In-Reply-To: <20061124210305.GA49228@stud.fit.vutbr.cz>
References:  <4557FF7A.8020704@samsco.org> <200611132054.kADKsFvK045726@lava.sentex.ca> <4558E3DC.6080800@samsco.org> <200611200454.kAK4sdat083568@lava.sentex.ca> <7.1.0.9.0.20061120160757.14d4a728@sentex.net> <200611220247.kAM2l9JP095066@lava.sentex.ca> <20061122130947.GM20405@obiwan.tataz.chchile.org> <200611231652.kANGqJsr005016@lava.sentex.ca> <1164356894.4306.1.camel@massimo.datacode.it> <200611242027.kAOKRYZg012113@lava.sentex.ca> <20061124210305.GA49228@stud.fit.vutbr.cz>

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At 04:03 PM 11/24/2006, Divacky Roman wrote:
>On Fri, Nov 24, 2006 at 03:27:40PM -0500, Mike Tancsa wrote:
> > At 03:28 AM 11/24/2006, Massimo Lusetti wrote:
> > >On Thu, 2006-11-23 at 11:52 -0500, Mike Tancsa wrote:
> > >
> > >> I might give OpenBSD a quick try as a reference.
> > >
> > >That would be very interesting.
> >
> > OpenBSD 4.0 i386 panics on boot.
> >
> > I also posted some results with PMC compiled into the kernel
> >
> > ipfw compiled into the kernel, with 1 rule
> >
> > http://www.tancsa.com/pmc/
>
>I see generic_bzero/bcopy used quite often. why dont you define
>cpu             I586_CPU
>in your kernel config?

Hi,

I had

cpu             I486_CPU
cpu             I586_CPU
cpu             I686_CPU

Are you saying

cpu             I586_CPU
cpu             I686_CPU

or just have

cpu             I586_CPU



>also... bde@ just commited some bzero-related optimizations to routing
>code.. might be work trying..


I think that was already in there, but I will cvsup upto today and 
see if there is any difference.

         ---Mike




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