[Beowulf] MPI over RoCE?

Greg Lindahl lindahl at pbm.com
Fri Mar 7 06:14:40 UTC 2025


On Thu, Feb 27, 2025 at 12:28:11PM -0500, Prentice Bisbal wrote:

> I hope this isn't a dumb question: Do the Ethernet switches you're
> looking at have crossbar switches inside them?

No modern switch chip has a crossbar. They're rings, and the ring has
high enough capacity to work as well as a crossbar would.

-- greg




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