_surf_cfg_cb_contexts_parallel_mode, NULL);
/* number of parallel threads for Surf */
- default_value_int = 1;
+ default_value_int = surf_get_nthreads();
xbt_cfg_register(&_surf_cfg_set, "surf/nthreads",
"Number of parallel threads used to update Surf models",
xbt_cfgelm_int, &default_value_int, 1, 1,