Re: MPI and Java

[Luuk van Dijk <Luuk.van.Dijk@xs4all.nl>]

"Eray Ozkural (exa)" wrote:
> 
> Viral wrote:
> >
> > Hi,
> >
> > Is it possible to use MPI in java programs ?
> > Is there any software available which can do this ?
> 
> Well, MPI is about high performance. A '99 paper I read about
> Java MPI showed it to be 20 times slower than MPI in
> C/C++/FORTRAN so I don't think that's a good bet :)


There are also some issues with the handling of numerical
precision &c in java, as thoroughly explained here:

	http://www.cs.berkeley.edu/~wkahan/JAVAhurt.pdf
	
So if you high performance job is about crunching real numbers 
java is not a good idea.

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