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Re: [patch 3/2] m68k: Atari EtherNAT - add writew_be for data push

On Sat, 6 Sep 2008, Wouter Verhelst wrote:
> On Thu, Sep 04, 2008 at 11:57:56PM +0200, Michael Schmitz wrote:
> > Regarding performance afforded by having a 100 Mbit PHY instead of a 10 Mbit
> > one:
> >
> > EtherNAT: 210 KB/s out, 140 KB/s in (scp of a 35 MB vmlinux file)
> > EtherNEC: 175 KB/s out, 128 KB/s in (same file)
> >
> > Hardly worth it, eh?
> Well, if you're going to do scp, you're CPU-bound rather than NIC-bound,
> since SCP needs to encrypt. What happens if you use something less
> taxing on the CPU, like HTTP or some such?

(n)ttcp? netperf?

Yes, ssh overhead on low-performance CPUs is significant. Ask Arno about
his experiences on MicroVAX ;-)



Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds

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