XBT_PUBLIC_DATA double sg_surf_precision;
XBT_PUBLIC_DATA int sg_concurrency_limit;
-extern XBT_PRIVATE double sg_weight_S_parameter;
extern XBT_PRIVATE std::vector<std::string> surf_path;
extern XBT_PRIVATE std::unordered_map<std::string, simgrid::kernel::profile::Profile*> traces_set_list;