if (num_core_in_current_smp > 1) {
request = smpi_mpi_isend((char *) rbuf + recv_offset, scount * NUM_CORE, stype,
(rank + 1), tag + i + 1, comm);
if (num_core_in_current_smp > 1) {
request = smpi_mpi_isend((char *) rbuf + recv_offset, scount * NUM_CORE, stype,
(rank + 1), tag + i + 1, comm);