Hi Benson Muite,

Thanks for this good list of unofficial bindings and projects using MPI or 
MPI-like interfaces.

The short answer to your question is: yes, there is an effort underway to 
provide better support for other programming languages.

Some work was done for the MPI-4.0 release of MPI (due this year) to firm up 
some of the key semantic terms, which will aid us when attempting to express 
those semantics in new languages. That work is continuing and more results from 
that are targeted at the upcoming MPI-4.1 and future versions of MPI. Figuring 
out the dividing line between what is currently being expressed (semantics) and 
what is dictated by the current mechanism of expression (C or Fortran) is a 
first step towards new forms of expression.

Beyond that work, additional language expertise will be needed from some folks 
who are regular users of these other programming languages so that appropriate 
expressions of the essential MPI semantics are chosen β€” language mechanisms 
that β€œfit” with the normal/natural ways that a typical programmer would 
recognise. One possible strategy that has been discussed is to split the MPI 
Standard into a single MPI Core Standard and multiple MPI Bindings for 
<language> Standards. This might happen as early as MPI-5.0 (perhaps 5-10 years 
away) depending on how controversial it turns out to be and the rate of 
progress, which will depend heavily on the amount of interest and sustained 
contribution from a community of users.

Cheers,
Dan.
β€”
Dr Daniel Holmes PhD
Executive Director
Chief Technology Officer
CHI Ltd
danhol...@chi.scot



> On 25 Apr 2021, at 09:36, Benson Muite via mpi-forum 
> <mpi-forum@lists.mpi-forum.org> wrote:
> 
> MPI has official bindings for C and Fortran. There are unoffical bindings in
> 
> C# - https://github.com/rogancarr/MpiDotNet
> D - https://github.com/DlangScience/OpenMPI)
> Go - https://pkg.go.dev/github.com/cpmech/gosl/mpi and 
> https://github.com/marcusthierfelder/mpi
> Java - https://www.open-mpi.org/
> Julia - https://github.com/JuliaParallel/MPI.jl
> Lua - https://github.com/jzrake/lua-mpi and https://peter.colberg.org/lua-mpi
> Ocaml - https://github.com/xavierleroy/ocamlmpi
> Perl - https://metacpan.org/pod/Parallel::MPI
> Python - https://bitbucket.org/mpi4py/mpi4py
> R - https://github.com/RBigData/pbdMPI and 
> https://cran.r-project.org/package=Rmpi
> Ruby - https://github.com/gfd-dennou-club/ruby-mpi
> Rust - https://lib.rs/crates/mpi
> Scala - https://github.com/mpokorny/scampi
> 
> 
> It is also used as a possible backend for among other PGAS languages 
> XcalableMP - https://xcalablemp.org/
> 
> Some people did not expect MPI to be used by many developers directly. Are 
> there any thoughts on how better support for other programming languages and 
> MPI as a backend might be improved in future?
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