X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a2f1b23687f04169144f4ffb4f20dc4fc5c28395..954676b700e711f38ec4d286d33d5427d3f4ca46:/src/smpi/colls/alltoall-bruck.c diff --git a/src/smpi/colls/alltoall-bruck.c b/src/smpi/colls/alltoall-bruck.c index d6e12c25e0..99a93b5cfa 100644 --- a/src/smpi/colls/alltoall-bruck.c +++ b/src/smpi/colls/alltoall-bruck.c @@ -1,3 +1,9 @@ +/* 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. */ + /***************************************************************************** * Function: alltoall_bruck @@ -30,46 +36,28 @@ smpi_coll_tuned_alltoall_bruck(void *send_buff, int send_count, int *blocks_length, *disps; int i, src, dst, rank, num_procs, count, remainder, block, position; - int pack_size, tag = 1, pof2 = 1, success = 1, failure = 0; + int pack_size, tag = COLL_TAG_ALLTOALL, pof2 = 1; char *tmp_buff; char *send_ptr = (char *) send_buff; char *recv_ptr = (char *) recv_buff; - MPI_Comm_size(comm, &num_procs); - MPI_Comm_rank(comm, &rank); - - MPI_Type_extent(recv_type, &extent); - - tmp_buff = (char *) malloc(num_procs * recv_count * extent); - if (!tmp_buff) { - printf("alltoall-bruck:53: cannot allocate memory\n"); - MPI_Finalize(); - exit(failure); - } - - disps = (int *) malloc(sizeof(int) * num_procs); - if (!disps) { - printf("alltoall-bruck:61: cannot allocate memory\n"); - MPI_Finalize(); - exit(failure); - } + num_procs = smpi_comm_size(comm); + rank = smpi_comm_rank(comm); - blocks_length = (int *) malloc(sizeof(int) * num_procs); - if (!blocks_length) { - printf("alltoall-bruck:69: cannot allocate memory\n"); - MPI_Finalize(); - exit(failure); - } + extent = smpi_datatype_get_extent(recv_type); + tmp_buff = (char *) smpi_get_tmp_sendbuffer(num_procs * recv_count * extent); + disps = (int *) xbt_malloc(sizeof(int) * num_procs); + blocks_length = (int *) xbt_malloc(sizeof(int) * num_procs); - MPI_Sendrecv(send_ptr + rank * send_count * extent, + smpi_mpi_sendrecv(send_ptr + rank * send_count * extent, (num_procs - rank) * send_count, send_type, rank, tag, recv_ptr, (num_procs - rank) * recv_count, recv_type, rank, tag, comm, &status); - MPI_Sendrecv(send_ptr, rank * send_count, send_type, rank, tag, + smpi_mpi_sendrecv(send_ptr, rank * send_count, send_type, rank, tag, recv_ptr + (num_procs - rank) * recv_count * extent, rank * recv_count, recv_type, rank, tag, comm, &status); @@ -91,14 +79,14 @@ smpi_coll_tuned_alltoall_bruck(void *send_buff, int send_count, } MPI_Type_indexed(count, blocks_length, disps, recv_type, &new_type); - MPI_Type_commit(&new_type); + smpi_datatype_commit(&new_type); position = 0; MPI_Pack(recv_buff, 1, new_type, tmp_buff, pack_size, &position, comm); - MPI_Sendrecv(tmp_buff, position, MPI_PACKED, dst, tag, recv_buff, 1, + smpi_mpi_sendrecv(tmp_buff, position, MPI_PACKED, dst, tag, recv_buff, 1, new_type, src, tag, comm, &status); - MPI_Type_free(&new_type); + smpi_datatype_free(&new_type); pof2 *= 2; } @@ -106,22 +94,22 @@ smpi_coll_tuned_alltoall_bruck(void *send_buff, int send_count, free(disps); free(blocks_length); - MPI_Sendrecv(recv_ptr + (rank + 1) * recv_count * extent, + smpi_mpi_sendrecv(recv_ptr + (rank + 1) * recv_count * extent, (num_procs - rank - 1) * recv_count, send_type, rank, tag, tmp_buff, (num_procs - rank - 1) * recv_count, recv_type, rank, tag, comm, &status); - MPI_Sendrecv(recv_ptr, (rank + 1) * recv_count, send_type, rank, tag, + smpi_mpi_sendrecv(recv_ptr, (rank + 1) * recv_count, send_type, rank, tag, tmp_buff + (num_procs - rank - 1) * recv_count * extent, (rank + 1) * recv_count, recv_type, rank, tag, comm, &status); for (i = 0; i < num_procs; i++) - MPI_Sendrecv(tmp_buff + i * recv_count * extent, recv_count, send_type, + smpi_mpi_sendrecv(tmp_buff + i * recv_count * extent, recv_count, send_type, rank, tag, recv_ptr + (num_procs - i - 1) * recv_count * extent, recv_count, recv_type, rank, tag, comm, &status); - free(tmp_buff); - return success; + smpi_free_tmp_buffer(tmp_buff); + return MPI_SUCCESS; }