Date: Mon, 28 Jun 1999 19:41:18 -0700 From: "David Schwartz" <davids@webmaster.com> To: <dg@root.com>, "Kris Kirby" <kris@airnet.net> Cc: <chat@FreeBSD.ORG> Subject: RE: 100 Mbps Ethernet? (fxp, xl performance) Message-ID: <000101bec1d8$dd6c6dc0$021d85d1@youwant.to> In-Reply-To: <199906290228.TAA10672@implode.root.com>
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Small writes can hurt too. As can just generally bad design (like waiting for one type of I/O before doing another). How are you measuring these numbers? With ftp/ftpd? DS > >I've got a crossover cable running between a P5/166 (fxp0) and a > >K6/2-350 (xl0). It's negotiated at 100Mbps. I'm seeing ~3.5 MB/s from > >the P5 to the K6-2, and 5.7[12] MB/s in the reverse direction. Is this > >about right? The network is taking almost 50% of the CPU of the P5. > > For 50% CPU, yes, that's about right. You can do about 11MB/sec on a > typical P5 system (100% CPU). It looks like the K6 is throttling the > speed potential or the test you're doing is slowing it down (perhaps > involving file I/O?). > > -DG To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message
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