+ int default_send_is_detached_threshold = 65536;
+ xbt_cfg_register(&_sg_cfg_set, "smpi/send_is_detached_thres",
+ "Threshold of message size where MPI_Send stops behaving like MPI_Isend and becomes MPI_Ssend",
+ xbt_cfgelm_int, &default_send_is_detached_threshold, 1, 1, NULL,
+ NULL);
+