- int host_num_core = simcall_host_get_core(SIMIX_host_self());
- // do we use the default one or the number of cores in the platform ?
- // if the number of cores is one, the platform may be simulated with 1 node = 1 core
- if (host_num_core == 1) host_num_core = NUM_CORE;
-
- if(size%host_num_core)
- THROWF(arg_error,0, "bcast SMP binary can't be used with non multiple of NUM_CORE=%d number of processes ! ",host_num_core);
+ if(smpi_comm_get_leaders_comm(comm)==MPI_COMM_NULL){
+ smpi_comm_init_smp(comm);
+ }
+ int host_num_core=1;
+ if (smpi_comm_is_uniform(comm)){
+ host_num_core = smpi_comm_size(smpi_comm_get_intra_comm(comm));
+ }else{
+ //implementation buggy in this case
+ return smpi_coll_tuned_bcast_mpich( buf , count, datatype,
+ root, comm);
+ }