MPI_Status *recv_status_array;
MPI_Aint extent;
- extent = smpi_datatype_get_extent(datatype);
+ extent = datatype->get_extent();
- rank = smpi_comm_rank(comm);
- size = smpi_comm_size(comm);
+ rank = comm->rank();
+ size = comm->size();
/* source node and destination nodes (same through out the functions) */
int from = (rank - 1) / 2;
/* if root is not zero send to rank zero first */
if (root != 0) {
if (rank == root) {
- smpi_mpi_send(buf, count, datatype, 0, tag, comm);
+ Request::send(buf, count, datatype, 0, tag, comm);
} else if (rank == 0) {
- smpi_mpi_recv(buf, count, datatype, root, tag, comm, &status);
+ Request::recv(buf, count, datatype, root, tag, comm, &status);
}
}
if (rank == 0) {
/* case root has only a left child */
if (to_right == -1) {
- smpi_mpi_send(buf, count, datatype, to_left, tag, comm);
+ Request::send(buf, count, datatype, to_left, tag, comm);
}
/* case root has both left and right children */
else {
- smpi_mpi_send(buf, count, datatype, to_left, tag, comm);
- smpi_mpi_send(buf, count, datatype, to_right, tag, comm);
+ Request::send(buf, count, datatype, to_left, tag, comm);
+ Request::send(buf, count, datatype, to_right, tag, comm);
}
}
/* case: leaf ==> receive only */
else if (to_left == -1) {
- smpi_mpi_recv(buf, count, datatype, from, tag, comm, &status);
+ Request::recv(buf, count, datatype, from, tag, comm, &status);
}
/* case: intermidiate node with only left child ==> relay message */
else if (to_right == -1) {
- smpi_mpi_recv(buf, count, datatype, from, tag, comm, &status);
- smpi_mpi_send(buf, count, datatype, to_left, tag, comm);
+ Request::recv(buf, count, datatype, from, tag, comm, &status);
+ Request::send(buf, count, datatype, to_left, tag, comm);
}
/* case: intermidiate node with both left and right children ==> relay message */
else {
- smpi_mpi_recv(buf, count, datatype, from, tag, comm, &status);
- smpi_mpi_send(buf, count, datatype, to_left, tag, comm);
- smpi_mpi_send(buf, count, datatype, to_right, tag, comm);
+ Request::recv(buf, count, datatype, from, tag, comm, &status);
+ Request::send(buf, count, datatype, to_left, tag, comm);
+ Request::send(buf, count, datatype, to_right, tag, comm);
}
return MPI_SUCCESS;
}
/* case root has only a left child */
if (to_right == -1) {
for (i = 0; i < pipe_length; i++) {
- send_request_array[i] = smpi_mpi_isend((char *) buf + (i * increment), segment, datatype, to_left,
+ send_request_array[i] = Request::isend((char *) buf + (i * increment), segment, datatype, to_left,
tag + i, comm);
}
- smpi_mpi_waitall((pipe_length), send_request_array, send_status_array);
+ Request::waitall((pipe_length), send_request_array, send_status_array);
}
/* case root has both left and right children */
else {
for (i = 0; i < pipe_length; i++) {
- send_request_array[i] = smpi_mpi_isend((char *) buf + (i * increment), segment, datatype, to_left,
+ send_request_array[i] = Request::isend((char *) buf + (i * increment), segment, datatype, to_left,
tag + i, comm);
- send_request_array[i + pipe_length] = smpi_mpi_isend((char *) buf + (i * increment), segment, datatype, to_right,
+ send_request_array[i + pipe_length] = Request::isend((char *) buf + (i * increment), segment, datatype, to_right,
tag + i, comm);
}
- smpi_mpi_waitall((2 * pipe_length), send_request_array, send_status_array);
+ Request::waitall((2 * pipe_length), send_request_array, send_status_array);
}
}
/* case: leaf ==> receive only */
else if (to_left == -1) {
for (i = 0; i < pipe_length; i++) {
- recv_request_array[i] = smpi_mpi_irecv((char *) buf + (i * increment), segment, datatype, from,
+ recv_request_array[i] = Request::irecv((char *) buf + (i * increment), segment, datatype, from,
tag + i, comm);
}
- smpi_mpi_waitall((pipe_length), recv_request_array, recv_status_array);
+ Request::waitall((pipe_length), recv_request_array, recv_status_array);
}
/* case: intermidiate node with only left child ==> relay message */
else if (to_right == -1) {
for (i = 0; i < pipe_length; i++) {
- recv_request_array[i] = smpi_mpi_irecv((char *) buf + (i * increment), segment, datatype, from,
+ recv_request_array[i] = Request::irecv((char *) buf + (i * increment), segment, datatype, from,
tag + i, comm);
}
for (i = 0; i < pipe_length; i++) {
- smpi_mpi_wait(&recv_request_array[i], &status);
- send_request_array[i] = smpi_mpi_isend((char *) buf + (i * increment), segment, datatype, to_left,
+ Request::wait(&recv_request_array[i], &status);
+ send_request_array[i] = Request::isend((char *) buf + (i * increment), segment, datatype, to_left,
tag + i, comm);
}
- smpi_mpi_waitall(pipe_length, send_request_array, send_status_array);
+ Request::waitall(pipe_length, send_request_array, send_status_array);
}
/* case: intermidiate node with both left and right children ==> relay message */
else {
for (i = 0; i < pipe_length; i++) {
- recv_request_array[i] = smpi_mpi_irecv((char *) buf + (i * increment), segment, datatype, from,
+ recv_request_array[i] = Request::irecv((char *) buf + (i * increment), segment, datatype, from,
tag + i, comm);
}
for (i = 0; i < pipe_length; i++) {
- smpi_mpi_wait(&recv_request_array[i], &status);
- send_request_array[i] = smpi_mpi_isend((char *) buf + (i * increment), segment, datatype, to_left,
+ Request::wait(&recv_request_array[i], &status);
+ send_request_array[i] = Request::isend((char *) buf + (i * increment), segment, datatype, to_left,
tag + i, comm);
- send_request_array[i + pipe_length] = smpi_mpi_isend((char *) buf + (i * increment), segment, datatype, to_right,
+ send_request_array[i + pipe_length] = Request::isend((char *) buf + (i * increment), segment, datatype, to_right,
tag + i, comm);
}
- smpi_mpi_waitall((2 * pipe_length), send_request_array, send_status_array);
+ Request::waitall((2 * pipe_length), send_request_array, send_status_array);
}
free(send_request_array);