+/* 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. */
+
#include "colls_private.h"
-#ifndef NUM_CORE
-#define NUM_CORE 8
-#endif
int smpi_coll_tuned_allgather_smp_simple(void *send_buf, int scount,
MPI_Datatype stype, void *recv_buf,
int src, dst, comm_size, rank;
comm_size = smpi_comm_size(comm);
- if(comm_size%NUM_CORE)
- THROWF(arg_error,0, "allgather SMP simple algorithm can't be used with non multiple of NUM_CORE=%d number of processes ! ", NUM_CORE);
+ if(smpi_comm_get_leaders_comm(comm)==MPI_COMM_NULL){
+ smpi_comm_init_smp(comm);
+ }
+ int num_core=1;
+ if (smpi_comm_is_uniform(comm)){
+ num_core = smpi_comm_size(smpi_comm_get_intra_comm(comm));
+ }
+
+ if(comm_size%num_core)
+ THROWF(arg_error,0, "allgather SMP simple algorithm can't be used with non multiple of NUM_CORE=%d number of processes ! ", num_core);
rank = smpi_comm_rank(comm);
MPI_Aint rextent, sextent;
MPI_Status status;
int i, send_offset, recv_offset;
int intra_rank, inter_rank;
- int num_core = NUM_CORE;
intra_rank = rank % num_core;
inter_rank = rank / num_core;
int inter_comm_size = (comm_size + num_core - 1) / num_core;