docs: some functions (currently) require mpirun#12992
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jsquyres merged 1 commit intoopen-mpi:mainfrom Jan 6, 2026
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MPI_COMM_CREATE_FROM_GROUP also needs to be updated. |
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Thanks! Updated. |
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Not a function, but perhaps should point out that the FT feature also requires mpirun. And of course, anything that calls connect/accept somewhere in its code path is going to hit this limitation. You'll also likely need to do a bit of an audit for things that call |
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do we want to merge this into main at some point soon? |
Add a note to several MPI API man pages and the top-level MPI FT page that all of this functionality (currently) require being launched via mpirun / mpiexec, and that launching in other environments may result in undefined behavior. Signed-off-by: Jeff Squyres <jeff@squyres.com>
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Added a note about FT requiring |
hppritcha
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Jan 6, 2026
This was referenced Jan 6, 2026
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Add a note to several MPI API man pages that they (currently) require being launched via mpirun / mpiexec, and that launching in other environments may result in undefined behavior.