Date: Sun, 2 Sep 2001 12:52:32 -0700 (PDT) From: John Polstra <jdp@polstra.com> To: hackers@freebsd.org Cc: "Deepak Jain" <deepak@ai.net> Subject: Re: Routing Performance? Message-ID: <200109021952.f82JqWa02677@vashon.polstra.com> In-Reply-To: <200109021906.f82J6eh02459@vashon.polstra.com> References: <GPEOJKGHAMKFIOMAGMDIIEPJFEAA.deepak@ai.net> <200109021906.f82J6eh02459@vashon.polstra.com>
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Correcting myself ... In article <200109021906.f82J6eh02459@vashon.polstra.com>, John Polstra <jdp@polstra.com> wrote: > There is very little bulk copying in the IP forwarding path of the > kernel, so the higher bandwidth of RAMBUS would not provide much > benefit. I suppose it would speed up the DMA transfers between the > NICs and RAM. Actually, it wouldn't help the DMA transfers either. They'd be limited by the PCI bus bandwidth, not the memory bandwidth. John -- John Polstra jdp@polstra.com John D. Polstra & Co., Inc. Seattle, Washington USA "Disappointment is a good sign of basic intelligence." -- Chögyam Trungpa To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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