1 /* Copyright (c) 2013-2022. 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"
9 namespace simgrid::smpi {
11 // Allgather - gather/bcast algorithm
12 int allgatherv__GB(const void *send_buff, int send_count,
13 MPI_Datatype send_type, void *recv_buff,
14 const int *recv_counts, const int *recv_disps, MPI_Datatype recv_type,
17 colls::gatherv(send_buff, send_count, send_type, recv_buff, recv_counts, recv_disps, recv_type, 0, comm);
18 int num_procs, i, current, max = 0;
19 num_procs = comm->size();
20 for (i = 0; i < num_procs; i++) {
21 current = recv_disps[i] + recv_counts[i];
25 colls::bcast(recv_buff, max, recv_type, 0, comm);
30 } // namespace simgrid::smpi