DEBUG_MSG("[INFO] Limit of processes involved in the particles ouput = %d (BFPS_PO_MAX_PROCESSES)\n",MaxProcessesInvolved);
DEBUG_MSG("[INFO] Minimum bytes per process to write = %llu (BFPS_PO_MIN_BYTES) for a complete output of = %llu for positions\n",MinBytesPerProcess,totalBytesForPositions);
DEBUG_MSG("[INFO] Consequently, there are %d processes that actually write data (%d particles per process)\n",nb_processes_involved,particles_chunk_per_process);