- xbt_cfgelm_string, &default_value, 1, 1, &_sg_cfg_cb__coll_allgather,
+ xbt_cfgelm_string, NULL, 1, 1, &_sg_cfg_cb__coll_allgather,
+ NULL);
+
+ xbt_cfg_register(&_sg_cfg_set, "smpi/barrier",
+ "Which collective to use for barrier",
+ xbt_cfgelm_string, NULL, 1, 1, &_sg_cfg_cb__coll_barrier,
+ NULL);
+
+ xbt_cfg_register(&_sg_cfg_set, "smpi/reduce_scatter",
+ "Which collective to use for reduce_scatter",
+ xbt_cfgelm_string, NULL, 1, 1, &_sg_cfg_cb__coll_reduce_scatter,
+ NULL);
+
+ xbt_cfg_register(&_sg_cfg_set, "smpi/scatter",
+ "Which collective to use for scatter",
+ xbt_cfgelm_string, NULL, 1, 1, &_sg_cfg_cb__coll_scatter,