-#include "colls.h"
+#include "colls_private.h"
static int bcast_NTSL_segment_size_in_byte = 8192;
int smpi_coll_tuned_bcast_NTSL(void *buf, int count, MPI_Datatype datatype,
int root, MPI_Comm comm)
{
- int tag = 50;
+ int tag = COLL_TAG_BCAST;
MPI_Status status;
MPI_Request request;
MPI_Request *send_request_array;
int rank, size;
int i;
MPI_Aint extent;
- MPI_Type_extent(datatype, &extent);
+ extent = smpi_datatype_get_extent(datatype);
- MPI_Comm_rank(MPI_COMM_WORLD, &rank);
- MPI_Comm_size(MPI_COMM_WORLD, &size);
+ rank = smpi_comm_rank(comm);
+ size = smpi_comm_size(comm);
/* source node and destination nodes (same through out the functions) */
int to = (rank + 1) % size;
*/
if (root != 0) {
if (rank == root) {
- MPI_Send(buf, count, datatype, 0, tag, comm);
+ smpi_mpi_send(buf, count, datatype, 0, tag, comm);
} else if (rank == 0) {
- MPI_Recv(buf, count, datatype, root, tag, comm, &status);
+ smpi_mpi_recv(buf, count, datatype, root, tag, comm, &status);
}
}
/* when a message is smaller than a block size => no pipeline */
if (count <= segment) {
if (rank == 0) {
- MPI_Send(buf, count, datatype, to, tag, comm);
+ smpi_mpi_send(buf, count, datatype, to, tag, comm);
} else if (rank == (size - 1)) {
- MPI_Irecv(buf, count, datatype, from, tag, comm, &request);
- MPI_Wait(&request, &status);
+ request = smpi_mpi_irecv(buf, count, datatype, from, tag, comm);
+ smpi_mpi_wait(&request, &status);
} else {
- MPI_Irecv(buf, count, datatype, from, tag, comm, &request);
- MPI_Wait(&request, &status);
- MPI_Send(buf, count, datatype, to, tag, comm);
+ request = smpi_mpi_irecv(buf, count, datatype, from, tag, comm);
+ smpi_mpi_wait(&request, &status);
+ smpi_mpi_send(buf, count, datatype, to, tag, comm);
}
return MPI_SUCCESS;
}
/* pipeline bcast */
else {
send_request_array =
- (MPI_Request *) malloc((size + pipe_length) * sizeof(MPI_Request));
+ (MPI_Request *) xbt_malloc((size + pipe_length) * sizeof(MPI_Request));
recv_request_array =
- (MPI_Request *) malloc((size + pipe_length) * sizeof(MPI_Request));
+ (MPI_Request *) xbt_malloc((size + pipe_length) * sizeof(MPI_Request));
send_status_array =
- (MPI_Status *) malloc((size + pipe_length) * sizeof(MPI_Status));
+ (MPI_Status *) xbt_malloc((size + pipe_length) * sizeof(MPI_Status));
recv_status_array =
- (MPI_Status *) malloc((size + pipe_length) * sizeof(MPI_Status));
+ (MPI_Status *) xbt_malloc((size + pipe_length) * sizeof(MPI_Status));
/* root send data */
if (rank == 0) {
for (i = 0; i < pipe_length; i++) {
- MPI_Isend((char *) buf + (i * increment), segment, datatype, to,
- (tag + i), comm, &send_request_array[i]);
+ send_request_array[i] = smpi_mpi_isend((char *) buf + (i * increment), segment, datatype, to,
+ (tag + i), comm);
}
- MPI_Waitall((pipe_length), send_request_array, send_status_array);
+ smpi_mpi_waitall((pipe_length), send_request_array, send_status_array);
}
/* last node only receive data */
else if (rank == (size - 1)) {
for (i = 0; i < pipe_length; i++) {
- MPI_Irecv((char *) buf + (i * increment), segment, datatype, from,
- (tag + i), comm, &recv_request_array[i]);
+ recv_request_array[i] = smpi_mpi_irecv((char *) buf + (i * increment), segment, datatype, from,
+ (tag + i), comm);
}
- MPI_Waitall((pipe_length), recv_request_array, recv_status_array);
+ smpi_mpi_waitall((pipe_length), recv_request_array, recv_status_array);
}
/* intermediate nodes relay (receive, then send) data */
else {
for (i = 0; i < pipe_length; i++) {
- MPI_Irecv((char *) buf + (i * increment), segment, datatype, from,
- (tag + i), comm, &recv_request_array[i]);
+ recv_request_array[i] = smpi_mpi_irecv((char *) buf + (i * increment), segment, datatype, from,
+ (tag + i), comm);
}
for (i = 0; i < pipe_length; i++) {
- MPI_Wait(&recv_request_array[i], &status);
- MPI_Isend((char *) buf + (i * increment), segment, datatype, to,
- (tag + i), comm, &send_request_array[i]);
+ smpi_mpi_wait(&recv_request_array[i], &status);
+ send_request_array[i] = smpi_mpi_isend((char *) buf + (i * increment), segment, datatype, to,
+ (tag + i), comm);
}
- MPI_Waitall((pipe_length), send_request_array, send_status_array);
+ smpi_mpi_waitall((pipe_length), send_request_array, send_status_array);
}
free(send_request_array);
/* when count is not divisible by block size, use default BCAST for the remainder */
if ((remainder != 0) && (count > segment)) {
- MPI_Bcast((char *) buf + (pipe_length * increment), remainder, datatype,
+ XBT_WARN("MPI_bcast_arrival_NTSL use default MPI_bcast.");
+ smpi_mpi_bcast((char *) buf + (pipe_length * increment), remainder, datatype,
root, comm);
}