fast blackplanes (was Re: Experience with SMC 8624T L2 switches and nics)

Ken Chase math at velocet.ca
Thu Feb 27 02:54:31 EST 2003


On Wed, Feb 26, 2003 at 02:44:03PM -0800, Dale Harris's all...
> On Wed, Feb 26, 2003 at 01:38:36PM -0800, Greg Lindahl elucidated:
> > > Are there any implementations using the chip that you would advise?
> > 
> > I'm afraid not -- my interest in the part was theoretical, so once I
> > knew it existed, I was done. It would be really if someone could do a
> > survey of the current switch marketplace; back in the 100 mbit days,
> > someone would do one about every 6 months and post the results.
> > 
> 
> Yeah, that'd be nice if someone had those resources.
> 
> Off hand, it appears now to be cheaper per port to go with Myrinet with a
> high number of nodes (128+ node cluster), than it is with a big GigE
> capable switch.

If you need interconnects between all nodes. Which means you application
must scale to that many nodes, otherwise I guess you might have it
for convenience (when running n jobs that scale to 128/n nodes only), but
thats steep for convenience.

/kc

> 
> 
> --
> Dale Harris   
> rodmur at maybe.org
> /.-)
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-- 
Ken Chase, math at velocet.ca  *  Velocet Communications Inc.  *  Toronto, CANADA 
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