[O-MPI users] MPI/C++ debugger?

Hi All Can anyone share experiences of using a debugger for MPI/C++ programs? Information on Ease of use, STL support, Price etc. would be most welcome Regards Yaron

[O-MPI users] Synchronizing C++ STL objects

Hi all I have an mpi-based application which contains an STL map. The map is of a non-standard type (i.e my own class). I would like to synchronize the maps between multiple machines , at the end of which I want each machine to have the complete map. This seems to be a pretty standard operation, s