On Jul 31, 2019, at 11:59 AM, Jeff Hammond <[email protected]> wrote:

It’s a long email to read on my phone while on vacation.

Then stop reading on your phone while on vacation and defer this until next week! ;-)

If you don’t say C++, there’s no reason OMPI and MPICH can’t do the obvious, trivial and intelligent thing.

I guess I disagree with all three of those hyperbolic assertions. :-) You're ignoring the long tail of consequences here -- what about PMPI/tools? What about other C++ features that we should be using, too? ...? -- Jeff Squyres [email protected]