GenSA adagio archive_best callback check_values check_values_2 cleanup continue error_on_na feature_56_nds feature_extras fix_printers gems gensa leanify log logger master milestone multi_api_objective nds nloptr objective_function optimizer optimizer_helper optimizer_to_tuner printer progressr progressr_privat r6_doc release sampler stagnation_batch terminator_instance tuner_transfer update-tic v0.2.0 v0.2.1 xdt_ps_assert