Date: Mon, 19 May 1997 19:41:17 -0400 From: dennis <dennis@etinc.com> To: sthaug@nethelp.no, rcarter@consys.com Cc: hutton@isi.edu, hackers@FreeBSD.ORG Subject: Re: throughtput measurements for fast ethernet Message-ID: <3.0.32.19970519194109.00c53a50@etinc.com>
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At 12:28 AM 5/20/97 +0200, sthaug@nethelp.no wrote: >> > I was hoping for something more specific. My _first_ tests with the 3com vx >> > driver for the 395 pci card on FreeBSD 2.2.1 are not showing good results - >> > highest throughput for UDP 45Mbps. I should stress that these were first tests. >> > >> > Has anyone any traffic measurements for any of the fast ethernet drivers? >> >> What kind of main memory bandwidth can your motherboards sustain? A >> good test is the stream benchmark from McCalpin. Many P6 motherboards >> can sustain transfer rates which drive 100mb ethernet at full throttle, >> but a lot of P5 motherboards cannot. 45Mbps is not unusual for these. Where did you get this figure? We wrote a little dos utility about a billion years about (that does 16-bit transfers, BTW) and gets over 350Mbs on a 100Mhz Pentium MB, which you can probably double with 32-bit transfers. Dennis
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