Frank,
I'm going to step out of the discussion because I'm no authority in the
code. My understanding is that the CN is there as a GUID (from the HCA)
on the very bottom of the fabric - connected to the leaf switch. Someone
who knows the code will have to give you a real answer. Sorry.
Cameron
Frank Olaf Sem-Jacobsen wrote:
Right,so it has no connection with any topological properties of the
fat tree? Which again means that the definition of compute nodes is
only necessary for the ability to balance these separately in the tree?
Thanks for your answer,
Cameron Harr wrote:
Hi Frank,
A compute node is a computer/server that is generally dedicated to
doing computational work in a cluster or group of computers.
Cameron
Frank Olaf Sem-Jacobsen wrote:
Hi,
I have been looking into the fat tree code, and I was wondering
about the definition of a compute node (CN). Are these part of the
leaf switches at the bottom of the fat tree, or are they extra
switches that are connected to the fat tree, e.g. the switch in a
rack of blades which is again connected to the fat tree?
Appreciate the help,
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