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On Jun 25, 2009, at 1:02 PM, Dave Love wrote:
> Also, Brice Goglin, the Open-MX author had a couple of questions
> concerning multi-rail MX while I'm on:
> 1. Does the MX MTL work with multi-rail?
I believe the answer is yes as long as all NICs are in the same fabric
(they usually are).
> 2. "You may also want to ask why the MX BTL seems to be opening and
> closing an additional endpoint during initialization. It seems to
> make endpoint numbers a bit unpredictable here (causing my jobs to
> use the wrong rail"
> Thanks for any info.
Without knowing the code and/or looking, I believe OMPI opens an
endpoint to get some mapping info (to see if the NIC is in the same