Date: Sun, 18 May 2003 05:25:59 -0400 From: Mike Tancsa <mike@sentex.net> To: Tony Sarendal <tsar@polarcap.org> Cc: freebsd-net@freebsd.org Subject: Re: polling(4) and Gigabit Message-ID: <o1kecvcnnmudraktm61ibi4rdr5kk8ce6e@4ax.com> In-Reply-To: <oWwt3C.A.dVL.Hwzx-@coal.sentex.ca> References: <oWwt3C.A.dVL.Hwzx-@coal.sentex.ca>
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The em driver has polling support in STABLE (post 4.8R). The limitation = is not so much the NIC, but the way the NIC is serviced via interrupts in = non polling modes. There are some very good discussions posted already you = can get via Google on what you can and cant do and what you might expect performance wise. ---Mike On Sun, 18 May 2003 09:53:26 +0200, in sentex.lists.freebsd.net you = wrote: > > From what I can see nge is the only polling driver for >Gig NICs, looking at 4.8. Has anyone done any performance >tests on this ? I'm interested in knowing what can of >bandwidth/pps one actually can achieve on a PC router. > >If the NIC now is the limitation(?), how much OS resources >do I have left after the NIC is running at 100% ? > >I'm looking at building a new network, using pc routers >for some of the bgp stuff can save quit a lot of money. > >/Tony S > >_______________________________________________ >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" Mike Tancsa (mike@sentex.net)=09 http://www.sentex.net/mike
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