X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a2f1b23687f04169144f4ffb4f20dc4fc5c28395..ec3e4ee5f1a7ffeb96e044057809944f364014e6:/src/smpi/colls/allgather-rdb.c diff --git a/src/smpi/colls/allgather-rdb.c b/src/smpi/colls/allgather-rdb.c index fc1b36d621..06e2f4bb78 100644 --- a/src/smpi/colls/allgather-rdb.c +++ b/src/smpi/colls/allgather-rdb.c @@ -1,4 +1,10 @@ -#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 smpi_coll_tuned_allgather_rdb(void *sbuf, int send_count, @@ -12,9 +18,9 @@ smpi_coll_tuned_allgather_rdb(void *sbuf, int send_count, // local int variables int i, j, k, dst, rank, num_procs, send_offset, recv_offset, tree_root; - int dst_tree_root, rank_tree_root, last_recv_count, num_procs_completed; + int dst_tree_root, rank_tree_root, last_recv_count = 0, num_procs_completed; int offset, tmp_mask; - int tag = 1; + int tag = COLL_TAG_ALLGATHER; int mask = 1; int success = 0; int curr_count = recv_count; @@ -24,19 +30,19 @@ smpi_coll_tuned_allgather_rdb(void *sbuf, int send_count, char *recv_ptr = (char *) rbuf; // get size of the communicator, followed by rank - MPI_Comm_size(comm, &num_procs); - MPI_Comm_rank(comm, &rank); + num_procs = smpi_comm_size(comm); + rank = smpi_comm_rank(comm); // get size of single element's type for send buffer and recv buffer - MPI_Type_extent(send_type, &send_chunk); - MPI_Type_extent(recv_type, &recv_chunk); + send_chunk = smpi_datatype_get_extent(send_type); + recv_chunk = smpi_datatype_get_extent(recv_type); // multiply size of each element by number of elements to send or recv send_chunk *= send_count; recv_chunk *= recv_count; // perform a local copy - MPI_Sendrecv(send_ptr, send_count, send_type, rank, tag, + smpi_mpi_sendrecv(send_ptr, send_count, send_type, rank, tag, recv_ptr + rank * recv_chunk, recv_count, recv_type, rank, tag, comm, &status); @@ -51,10 +57,10 @@ smpi_coll_tuned_allgather_rdb(void *sbuf, int send_count, recv_offset = dst_tree_root * recv_chunk; if (dst < num_procs) { - MPI_Sendrecv(recv_ptr + send_offset, curr_count, send_type, dst, + smpi_mpi_sendrecv(recv_ptr + send_offset, curr_count, send_type, dst, tag, recv_ptr + recv_offset, mask * recv_count, recv_type, dst, tag, comm, &status); - MPI_Get_count(&status, recv_type, &last_recv_count); + last_recv_count = smpi_mpi_get_count(&status, recv_type); curr_count += last_recv_count; } @@ -90,7 +96,7 @@ smpi_coll_tuned_allgather_rdb(void *sbuf, int send_count, if ((dst > rank) && (rank < tree_root + num_procs_completed) && (dst >= tree_root + num_procs_completed)) { - MPI_Send(recv_ptr + offset, last_recv_count, recv_type, dst, + smpi_mpi_send(recv_ptr + offset, last_recv_count, recv_type, dst, tag, comm); /* last_recv_cnt was set in the previous @@ -102,12 +108,12 @@ smpi_coll_tuned_allgather_rdb(void *sbuf, int send_count, else if ((dst < rank) && (dst < tree_root + num_procs_completed) && (rank >= tree_root + num_procs_completed)) { - MPI_Recv(recv_ptr + offset, + smpi_mpi_recv(recv_ptr + offset, recv_count * num_procs_completed, recv_type, dst, tag, comm, &status); // num_procs_completed is also equal to the no. of processes // whose data we don't have - MPI_Get_count(&status, recv_type, &last_recv_count); + last_recv_count = smpi_mpi_get_count(&status, recv_type); curr_count += last_recv_count; } tmp_mask >>= 1;