Jared Crean <jcrea...@gmail.com> writes: > As for the MPI communicator, the julia MPI package uses a C int > to store it, so I will typealias to that to ensure consistency. If an > MPI implementation uses an 8 byte pointer, MPI.jl will have to change too.
Open MPI and relatives (like the now-obsolete LAM-MPI) use a pointer for all handles. To my knowledge, there is no subset of the MPI interface that can reliably be called to determine the binary interface, so you'll need access to the headers there too.
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