Hi, Same impression here. There are bug reports once in a while (both Open MPI mailing list and Stack Overflow). I remember one used the Java bindings to teach MPI.
So my gut feeling is the number of active users is small but not zero. Cheers, Gilles On Wed, Aug 10, 2022 at 8:48 PM t-kawashima--- via devel < devel@lists.open-mpi.org> wrote: > Hi, > > Fujitsu MPI, which is currently based on Open MPI v4.0.x, supports Java > bindings. > > It is because one of our customers requested to support it decade or so > ago. I don't know users are still using it. Fujitsu MPI development team > regularly receives trouble/request reports but does not receive Java ones > recently. So users are few, if any. > > We Fujitsu don't mind dropping Java binding in Open MPI v5.0.x. > > Thanks, > Takahiro Kawashima, > Fujitsu > > > During a planning meeting for Open MPI v5.0.0 today, the question came > up: is anyone using the Open MPI Java bindings? > > > > These bindings are not official MPI Forum bindings -- they are an Open > MPI-specific extension. They were added a few years ago as a result of a > research project. > > > > We ask this question because we're wondering if it's worthwhile to bring > these bindings forward to the v5.0.x series, or whether we should remove > them from v5.0.x, and just leave them available back in the v4.0.x and > v4.1.x series. > > > > Please reply here to this list if you are using the Open MPI Java > bindings, or know of anyone who is using them. > > > > Thank you!
