id summary reporter owner description type status milestone component version severity resolution keywords cc 3918 MPI std::string serialization Ghost99 Matthias Troyer "I'm new in MPI and cluster computations. I have 2 machines on gentoo (amd64 and x86), both with openmpi-1.4.1 and boost-1.41.0 . 'Heterogeneous' flags is set. I'm trying to run example at http://www.boost.org/doc/libs/1_41_0/doc/html/mpi/tutorial.html#mpi.nonblocking and it work when i run it in two processes at one machine, but it throws an exception, if i use both (-npernode 1). I didn't fully understand what serialization does, but on separate machine it work with or without it (i'm talking about header boost/serialization/string.hpp), with using both of machines, i always have exception. I don't mark that message as bug, i really think i'm just doing something wrong." Support Requests new mpi Boost 1.41.0 Problem