shift_buf 167 ompi/mca/coll/base/coll_base_allgather.c char *free_buf = NULL, *shift_buf = NULL; shift_buf 176 ompi/mca/coll/base/coll_base_allgather.c shift_buf = free_buf - gap; shift_buf 180 ompi/mca/coll/base/coll_base_allgather.c shift_buf, rbuf); shift_buf 192 ompi/mca/coll/base/coll_base_allgather.c tmprecv, shift_buf);