1 | Derived datatypes workable for Java, but slightly limited. |
2 | Object basic types attractive on grounds of simplicity and generality. |
3 | Naïve implementation too slow for bulk data transfer. |
4 | Optimizations should bring asymptotic performance in line with C/Fortran MPI. |
5 | www.npac.syr.edu/projects/pcrc/HPJava/mpiJava.html |