-/* Copyright (c) 2013-2018. The SimGrid Team.
+/* Copyright (c) 2013-2023. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
phases, nodes in pair communicate their data. MPI barriers are
inserted between each two phases.
- * Auther: Ahmad Faraj
+ * Author: Ahmad Faraj
****************************************************************************/
-namespace simgrid{
-namespace smpi{
+namespace simgrid::smpi {
int
-Coll_alltoall_pair_mpi_barrier::alltoall(void *send_buff, int send_count,
- MPI_Datatype send_type,
- void *recv_buff, int recv_count,
- MPI_Datatype recv_type, MPI_Comm comm)
+alltoall__pair_mpi_barrier(const void *send_buff, int send_count,
+ MPI_Datatype send_type,
+ void *recv_buff, int recv_count,
+ MPI_Datatype recv_type, MPI_Comm comm)
{
MPI_Status s;
MPI_Aint send_chunk, recv_chunk;
num_procs = comm->size();
if((num_procs&(num_procs-1)))
- THROWF(arg_error,0, "alltoall pair algorithm can't be used with non power of two number of processes ! ");
+ throw std::invalid_argument("alltoall pair algorithm can't be used with non power of two number of processes!");
send_chunk = send_type->get_extent();
recv_chunk = recv_type->get_extent();
for (i = 0; i < num_procs; i++) {
src = dst = rank ^ i;
- Colls::barrier(comm);
+ colls::barrier(comm);
Request::sendrecv(send_ptr + dst * send_chunk, send_count, send_type, dst,
tag, recv_ptr + src * recv_chunk, recv_count, recv_type,
src, tag, comm, &s);
}
return MPI_SUCCESS;
}
-}
-}
+} // namespace simgrid::smpi