Thanks a lot for your comments Jeff.. I will try some of your advices.. and further I will let you know... in the mean time we can try at least to convince the old school of MPIers to include the Pascal interface... :)
Best regards Lourival 2007/10/22, Jeff Squyres <jsquy...@cisco.com>: > > On Oct 22, 2007, at 6:44 PM, Lourival Mendes wrote: > > > Hy everybody, I'm interested in use the MPI on the Pascal > > environment. I tryed the MPICH2 list but no success. On the Free > > Pascal Compiler list, Daniël invited me to subscribe this list and > > open a discussion on the interface of OpenMPI for Pascal. > > > > Probably as Daniël knows there is almost no reference on the MPI > > for Pascal interface, only some very few tryes, one of them in > > Russian. > > > > I would like to know if there is someone working on the interface > > of OpenMPI for Pascal? > > There was a mail or two about it a while ago; you might want to dig > through the OMPI list archives. The short version is that none of > the current Open MPI members have a desire to add Pascal bindings to > MPI. It also might be somewhat of an uphill battle to convince the > old-school MPI'ers to include a Pascal interface in Open MPI, even if > it was developed by a 3rd party and contributed to the project. > > However, that should not deter you from pursuing a Pascal interface > if you want one. Traditionally, extensions to MPI have been > implemented in an MPI-neutral fashion and released into the wild as > 3rd party libraries (such as the C++ bindings for MPI several years > ago). The Pascal bindings likely don't need to know anything about > the internals of an MPI implementation -- they can just call the C > bindings. So it's possible/likely that you would write up a Pascal > interface that would work with both Open MPI and MPICH (and any other > MPI's out there). > > As I typed out the above, I have a dim recollection of the Pascal > interface needing to obtain the values of the C constants during its > setup/compilation phase (note that these values are going to be > different between different MPI implementations). You have a few > options here; you could write a parser for mpi.h to extract the > values you need (e.g., in perl or somesuch) or write a short C > program to extract them and printf the values that you capture into a > Pascal header file or something (I'm not sure if you need the literal > or symbolic values -- I remember very little of Pascal). Either way, > with a little diligence and creativity, it could probably be done. > > > Also I'm putting a very newbie question: What is the main > > difference between the OpenMPI and MPICH ? > > Short version: we're different projects implementing the same API > standard. > > -- > Jeff Squyres > Cisco Systems > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > -- Lourival J. Mendes Neto
