Hi all -- There is a meta question that I think is underlying some of the discussion about what to do with BTLs etc. Namely, is Open MPI an MPI implementation with a portable run time system -- or is it a distributed OS with an MPI interface? It seems like some of the changes being asked for (e.g., with the BTLs) reflect the latter -- but perhaps not everyone shares that view and hence the impedance mismatch.

I doubt this is the last time that tensions will come up because of differing views on this question.

I suggest that we come to some kind of common understanding of the question (and answer) and structure development and administration accordingly.

Best Regards,
Andrew Lumsdaine

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