#include "xbt/log.h"
#include "xbt/dict.h"
-static xbt_dict_t smpi_instances = NULL;
+static xbt_dict_t smpi_instances = nullptr;
extern int process_count;
extern int* index_to_process_data;
xbt_bar_t finalization_barrier;
} s_smpi_mpi_instance_t;
-
/** \ingroup smpi_simulation
* \brief Registers a running instance of a MPI program.
*
* FIXME : remove MSG from the loop at some point.
* \param name the reference name of the function.
- * \param code the main mpi function (must have the same prototype than the main function of any C program: int ..(int argc, char *argv[]))
+ * \param code the main mpi function (must have a int ..(int argc, char *argv[])) prototype
* \param num_processes the size of the instance we want to deploy
*/
void SMPI_app_instance_register(const char *name, xbt_main_func_t code, int num_processes)
{
SIMIX_function_register(name, code);
- s_smpi_mpi_instance_t* instance =
- (s_smpi_mpi_instance_t*)xbt_malloc(sizeof(s_smpi_mpi_instance_t));
+ s_smpi_mpi_instance_t* instance = (s_smpi_mpi_instance_t*)xbt_malloc(sizeof(s_smpi_mpi_instance_t));
instance->name = name;
instance->size = num_processes;
process_count+=num_processes;
- if(!smpi_instances){
+ if(smpi_instances==nullptr){
smpi_instances = xbt_dict_new_homogeneous(xbt_free_f);
}
- xbt_dict_set(smpi_instances, name, (void*)instance, NULL);
+ xbt_dict_set(smpi_instances, name, (void*)instance, nullptr);
return;
}
-
//get the index of the process in the process_data array
void smpi_deployment_register_process(const char* instance_id, int rank, int index,MPI_Comm** comm, xbt_bar_t* bar){
- if(!smpi_instances){//no instance registered, we probably used smpirun.
+ if(smpi_instances==nullptr){//no instance registered, we probably used smpirun.
index_to_process_data[index]=index;
- *bar = NULL;
- *comm = NULL;
+ *bar = nullptr;
+ *comm = nullptr;
return;
}
- s_smpi_mpi_instance_t* instance = static_cast<s_smpi_mpi_instance_t*>(xbt_dict_get_or_null(smpi_instances, instance_id));
+ s_smpi_mpi_instance_t* instance =
+ static_cast<s_smpi_mpi_instance_t*>(xbt_dict_get_or_null(smpi_instances, instance_id));
xbt_assert(instance, "Error, unknown instance %s", instance_id);
if(instance->comm_world == MPI_COMM_NULL){
MPI_Group group = smpi_group_new(instance->size);
- instance->comm_world = smpi_comm_new(group, NULL);
+ instance->comm_world = smpi_comm_new(group, nullptr);
}
instance->present_processes++;
index_to_process_data[index]=instance->index+rank;
}
void smpi_deployment_cleanup_instances(){
- xbt_dict_cursor_t cursor = NULL;
- s_smpi_mpi_instance_t* instance = NULL;
- char *name = NULL;
+ xbt_dict_cursor_t cursor = nullptr;
+ s_smpi_mpi_instance_t* instance = nullptr;
+ char *name = nullptr;
xbt_dict_foreach(smpi_instances, cursor, name, instance) {
if(instance->comm_world!=MPI_COMM_NULL)
while (smpi_group_unuse(smpi_comm_group(instance->comm_world)) > 0);