-#include "colls.h"
+/* Copyright (c) 2013-2014. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include "colls_private.h"
int bcast_arrival_pattern_aware_wait_segment_size_in_byte = 8192;
int rank, size;
int i, j, k;
- int tag = 50;
+ int tag = -COLL_TAG_BCAST;
int will_send[BCAST_ARRIVAL_PATTERN_AWARE_MAX_NODE];
int sent_count;
int header_size = BCAST_ARRIVAL_PATTERN_AWARE_HEADER_SIZE;
MPI_Aint extent;
- MPI_Type_extent(datatype, &extent);
+ extent = smpi_datatype_get_extent(datatype);
/* source and destination */
int to, from;
- MPI_Comm_rank(MPI_COMM_WORLD, &rank);
- MPI_Comm_size(MPI_COMM_WORLD, &size);
+ rank = smpi_comm_rank(comm);
+ size = smpi_comm_size(comm);
/* segment is segment size in number of elements (not bytes) */
int segment = bcast_arrival_pattern_aware_wait_segment_size_in_byte / extent;
-
+ segment = segment == 0 ? 1 :segment;
/* pipeline length */
int pipe_length = count / segment;
*/
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);
}
}
/* start pipeline bcast */
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 */
if (rank == 0) {
for (k = 0; k < 3; k++) {
for (i = 1; i < size; i++) {
if ((already_sent[i] == 0) && (will_send[i] == 0)) {
- MPI_Iprobe(i, MPI_ANY_TAG, MPI_COMM_WORLD, &flag_array[i],
+ smpi_mpi_iprobe(i, MPI_ANY_TAG, comm, &flag_array[i],
&temp_status_array[i]);
if (flag_array[i] == 1) {
will_send[i] = 1;
- MPI_Recv(&temp_buf[i], 1, MPI_CHAR, i, tag, MPI_COMM_WORLD,
+ smpi_mpi_recv(&temp_buf[i], 1, MPI_CHAR, i, tag, comm,
&status);
i = 0;
}
to = header_buf[0];
/* send header */
- MPI_Send(header_buf, header_size, MPI_INT, to, tag, comm);
+ smpi_mpi_send(header_buf, header_size, MPI_INT, to, tag, comm);
/* send data - pipeline */
for (i = 0; i < pipe_length; i++) {
- MPI_Isend((char *)buf + (i * increment), segment, datatype, to, tag, comm,
- &send_request_array[i]);
+ send_request_array[i] = smpi_mpi_isend((char *)buf + (i * increment), segment, datatype, to, tag, comm);
}
- MPI_Waitall((pipe_length), send_request_array, send_status_array);
+ smpi_mpi_waitall((pipe_length), send_request_array, send_status_array);
}
header_buf[1] = -1;
to = i;
- MPI_Send(header_buf, header_size, MPI_INT, to, tag, comm);
+ smpi_mpi_send(header_buf, header_size, MPI_INT, to, tag, comm);
/* still need to chop data so that we can use the same non-root code */
for (j = 0; j < pipe_length; j++) {
- MPI_Send((char *)buf + (j * increment), segment, datatype, to, tag, comm);
+ smpi_mpi_send((char *)buf + (j * increment), segment, datatype, to, tag, comm);
}
}
}
else {
/* send 1-byte message to root */
- MPI_Send(temp_buf, 1, MPI_CHAR, 0, tag, comm);
+ smpi_mpi_send(temp_buf, 1, MPI_CHAR, 0, tag, comm);
/* wait for header forward when required */
- MPI_Irecv(header_buf, header_size, MPI_INT, MPI_ANY_SOURCE, tag, comm,
- &request);
- MPI_Wait(&request, MPI_STATUS_IGNORE);
+ request = smpi_mpi_irecv(header_buf, header_size, MPI_INT, MPI_ANY_SOURCE, tag, comm);
+ smpi_mpi_wait(&request, MPI_STATUS_IGNORE);
/* search for where it is */
int myordering = 0;
/* send header when required */
if (to != -1) {
- MPI_Send(header_buf, header_size, MPI_INT, to, tag, comm);
+ smpi_mpi_send(header_buf, header_size, MPI_INT, to, tag, comm);
}
/* receive data */
for (i = 0; i < pipe_length; i++) {
- MPI_Irecv((char *)buf + (i * increment), segment, datatype, from, tag, comm,
- &recv_request_array[i]);
+ recv_request_array[i] = smpi_mpi_irecv((char *)buf + (i * increment), segment, datatype, from, tag, comm);
}
/* forward data */
if (to != -1) {
for (i = 0; i < pipe_length; i++) {
- MPI_Wait(&recv_request_array[i], MPI_STATUS_IGNORE);
- MPI_Isend((char *)buf + (i * increment), segment, datatype, to, tag, comm,
- &send_request_array[i]);
+ smpi_mpi_wait(&recv_request_array[i], MPI_STATUS_IGNORE);
+ send_request_array[i] = smpi_mpi_isend((char *)buf + (i * increment), segment, datatype, to, tag, comm);
}
- MPI_Waitall((pipe_length), send_request_array, send_status_array);
+ smpi_mpi_waitall((pipe_length), send_request_array, send_status_array);
}
/* recv only */
else {
- MPI_Waitall((pipe_length), recv_request_array, recv_status_array);
+ smpi_mpi_waitall((pipe_length), recv_request_array, recv_status_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, root, comm);
+ XBT_WARN("MPI_bcast_arrival_pattern_aware_wait use default MPI_bcast.");
+ smpi_mpi_bcast((char *)buf + (pipe_length * increment), remainder, datatype, root, comm);
}
return MPI_SUCCESS;