-/* Copyright (c) 2013-2014. The SimGrid Team.
+/* Copyright (c) 2013-2017. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* Auther: Ahmad Faraj
****************************************************************************/
-int
-smpi_coll_tuned_alltoallv_ring(void *send_buff, int *send_counts, int *send_disps,
- MPI_Datatype send_type,
- void *recv_buff, int *recv_counts, int *recv_disps,
- MPI_Datatype recv_type,
- MPI_Comm comm)
+namespace simgrid{
+namespace smpi{
+int Coll_alltoallv_ring::alltoallv(void* send_buff, int* send_counts, int* send_disps, MPI_Datatype send_type,
+ void* recv_buff, int* recv_counts, int* recv_disps, MPI_Datatype recv_type,
+ MPI_Comm comm)
{
MPI_Status s;
MPI_Aint send_chunk, recv_chunk;
recv_chunk = recv_type->get_extent();
int pof2 = ((num_procs != 0) && ((num_procs & (~num_procs + 1)) == num_procs));
for (i = 0; i < num_procs; i++) {
-
+
if (pof2 == 1) {
/* use exclusive-or algorithm */
src = dst = rank ^ i;
}
return MPI_SUCCESS;
}
+}
+}