void smpi_process_post_send(MPI_Comm comm, MPI_Request request) {
int index = smpi_group_index(smpi_comm_group(comm), request->dst);
smpi_process_data_t data = smpi_process_remote_data(index);
void smpi_process_post_send(MPI_Comm comm, MPI_Request request) {
int index = smpi_group_index(smpi_comm_group(comm), request->dst);
smpi_process_data_t data = smpi_process_remote_data(index);