Date: Thu, 29 Aug 2013 05:32:41 +0400 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: Andre Oppermann <andre@freebsd.org> Cc: "Alexander V. Chernikov" <melifaro@yandex-team.ru>, adrian@freebsd.org, freebsd-hackers@freebsd.org, freebsd-arch@freebsd.org, luigi@freebsd.org, ae@FreeBSD.org, FreeBSD Net <net@freebsd.org> Subject: Re: Network stack changes Message-ID: <20130829013241.GB70584@zxy.spb.ru> In-Reply-To: <521E78B0.6080709@freebsd.org> References: <521E41CB.30700@yandex-team.ru> <521E78B0.6080709@freebsd.org>
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On Thu, Aug 29, 2013 at 12:24:48AM +0200, Andre Oppermann wrote: > > .. > > while Intel DPDK claims 80MPPS (and 6windgate talks about 160 or so) on the same-class hardware and > > _userland_ forwarding. > > Those numbers sound a bit far out. Maybe if the packet isn't touched > or looked at at all in a pure netmap interface to interface bridging > scenario. I don't believe these numbers. 80*64*8 = 40.960 Gb/s May be DCA? And use CPU with 40 PCIe lane and 4 memory chanell.
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