comm_->group()->index(target_rank), smpi_process_index(), SMPI_RMA_TAG+2, comm_,
MPI_OP_NULL);
//start the send, with another process than us as sender.
comm_->group()->index(target_rank), smpi_process_index(), SMPI_RMA_TAG+2, comm_,
MPI_OP_NULL);
//start the send, with another process than us as sender.