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From: Ben Allan (baallan_at_[hidden])
Date: 2005-07-15 12:42:46

I went through trying most of those wrapping efforts out
a few years ago with very little luck. Most were out of date
or single platform even then. And mpi2 has since
appeared. I was hoping some of those original mpi/java
folk might be participating in open-mpi, too.

I'm thinking open-mpi might present a
chance to create a defacto standard in preparation for
extending the standard to include java. Clearly not
high on everybody's list of favorite things to think about.


On Fri, Jul 15, 2005 at 11:18:31AM -0400, Jeff Squyres wrote:
> On Jul 15, 2005, at 10:55 AM, Ben Allan wrote:
> > We have a number of applications interested in mixing java and
> > mpi on clusters. (I know, shudder, but we do...)
> > I thought before I go off and hack that I should see if work
> > is already on-going, if quiet, for open-mpi to have a java and/or gcj
> > binding. Clearly there might be some issues lurking around mpi
> > datatypes...
> There were actually a few projects some years ago that came up with
> Java bindings for MPI (because Java bindings are not officially part of
> MPI). IIRC, they worked with most MPI's out there (i.e., they were a
> layer over the MPI itself). You might want to google around and see
> what you come up with.
> Subject to a little bit rot, they may actually "just work" if they used
> the wrapper compilers to compile themselves, etc...?
> --
> {+} Jeff Squyres
> {+} The Open MPI Project
> {+}
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