* 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 bcast_SMP_linear_segment_byte = 8192;
rank = smpi_comm_rank(comm);
size = smpi_comm_size(comm);
- int 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 (num_core == 1) num_core = NUM_CORE;
-
- if(size%num_core)
- THROWF(arg_error,0, "bcast SMP linear 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));
+ }else{
+ //implementation buggy in this case
+ return smpi_coll_tuned_bcast_mpich( buf , count, datatype,
+ root, comm);
+ }
int segment = bcast_SMP_linear_segment_byte / extent;
+ segment = segment == 0 ? 1 :segment;
int pipe_length = count / segment;
int remainder = count % segment;
int increment = segment * extent;