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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.ecn.uoknor.edu!solace!news.stealth.net!demos!news1.relcom.ru!EU.net!newsfeed.internetmci.com!in2.uu.net!noc.nyx.net!nyx10.cs.du.edu!not-for-mail From: thu@nyx10.cs.du.edu (Timothy Hu) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: 100BaseT tuning considerations? Date: 10 Sep 1996 16:10:55 -0600 Organization: University of Denver, Dept. of Math & Comp. Sci. Lines: 20 Message-ID: <514p1f$75h@nyx10.cs.du.edu> References: <4vin1s$4um@server.cs.vt.edu> <4vsr44$iom@hpindda.cup.hp.com> NNTP-Posting-Host: nyx10.nyx.net In article <4vsr44$iom@hpindda.cup.hp.com>, Rick Jones <raj@cup.hp.com> wrote: >Carl Harris (ceharris@mal.com) wrote: >How much CPU does it take for the system to drive 10 Mbit Ethernet to >saturation? Since the MTU does not increase between 10BT and 100BT >(nor 1000BT?), the host does not become any more "efficient" at >sending bulk data. This depends on you NIC. The Intel PRO/100B has a pretty sophisticated and powerful processor on their NIC. Going full bore, it results in only about 5-10% of your CPU being used for networking. Cheapo NICs result in > 50% CPU utilization. Cheers, Tim -- Timothy Y Hu (thu@lonetree.com / thu@nyx.net -- http://www.lonetree.com) Chairman, The Wyoming Operation, Inc. -- Web and Email Solutions for Business President, Gyan Technologies -- provider of Information Technology solutions 523 W 27th St., Suite A, Cheyenne, WY 82001 Executive Offices:(307)635-7791