On Apr 30, 2009, at 3:21 PM, Tom Talpey wrote:

Of course I agree. I am however questioning the goal of making this
100% transparent. To do so, both sides of the interface will need to
behave in specific ways (e.g. no forking), and that can be very, very
difficult to achieve.


There's no goal of making this 100% transparent. Sure, that'd be nice (perhaps as a long-term goal), but that's not what I started this thread for.

We're not even trying to be lazy; MPI implementations have done a *lot* of work to make MPI function properly over OpenFabrics. But as Brian said, we just need *something* that is safe and sane. Right now, we don't have that.

--
Jeff Squyres
Cisco Systems

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