1 /* Copyright (c) 2013-2019. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "../colls_private.hpp"
11 // Allgather - gather/bcast algorithm
12 int Coll_allgather_GB::allgather(void *send_buff, int send_count,
13 MPI_Datatype send_type, void *recv_buff,
14 int recv_count, MPI_Datatype recv_type,
18 num_procs = comm->size();
19 Colls::gather(send_buff, send_count, send_type, recv_buff, recv_count, recv_type,
21 Colls::bcast(recv_buff, (recv_count * num_procs), recv_type, 0, comm);