MSG_process_create_with_arguments("slave", slave, NULL, MSG_host_by_name("Jupiter"), 1, argvF);
task = MSG_task_create("task on with proc", task_comp_size, task_comm_size, NULL);
MSG_process_create_with_arguments("slave", slave, NULL, MSG_host_by_name("Jupiter"), 1, argvF);
task = MSG_task_create("task on with proc", task_comp_size, task_comm_size, NULL);