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Re: FOSDEM thoughts

On Mon, 25 Feb 2008, Ingo Juergensmann wrote:
> On Mon, Feb 25, 2008 at 12:51:48PM -0500, Michael Casadevall wrote:
> > I'm suprised that network I/O was that slow; using distcc (especially
> > with -j2 options passed to dpkg-buildpackage) have drastically sped up
> > builds; the files themselves are small, usually a few kilobytes round
> > trip. Then again, the files are going through tap0 on my machines so
> > YMMV.
> Well, back then, when I still worked as 3D Operator for Maya and
> PowerAnimator, we did some tests between our Amiga (DraCo/Non-linear video
> editing system) and our SGIs. We had a throughput of roughly 750 kB/s
> sustained and upto 950 kB/s peak under AmigaOS. Granted, AmigaOS might be
> faster than Linux in this speed tests. 
> Additionally, keep in mind that Amigas using 10 Mbps NICs and therefor it's
> quite common that there'll be collisions on the media, because most switches
> operate 10 Mbps connections at Half-Duplex mode. 
> So, yes, using an emulator like Aranym may significantly speed up network
> connections. But when I tested distcc between vivaldi and spice with a
> kernel build, I noticed a decrease of build time down to roughly 50%,
> although there were two DSL lines and 450 km inbetween these two machines. 
> For the records: I just tested Spice with iperf: 5.75 Mbits/sec

Yep, the Ariadne in my A4000/040 does ca. 300 KiB/s. According to Roman, it's
faster if you have an '060.

NFS is noticeable slower than IDE.



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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