[openib-general] openMPI for 2.6.17.10 kernel

Sean Hefty sean.hefty at intel.com
Thu Nov 30 12:06:45 PST 2006


>> OMPI does not use CM at all today (RDMA CM or plain CM).  Instead,
>> OMPI *only* uses its out-of-band connection to exchange information
>> to then create queue pairs manually.  Leaving out all the details, it

It's somewhat unfortunate that IB even allows out-of-band connection
establishment.  Connections should be made through the CM to allow for detection
of state and duplicate connections.

- Sean




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