- 进入对应区域
smac.optimizer.smbo.SMBO#run
self.aggregate_func
Out[9]: <function smac.optimizer.objective.average_cost(config, run_history, instance_seed_pairs=None)>
找到这个函数,只有一句话:
return np.mean(_cost(config, run_history, instance_seed_pairs))
def _cost(config: Configuration, run_history: RunHistory,
instance_seed_pairs=None):
try:
id_ = run_history.config_ids[config]
except KeyError: # challenger was not running so far
return []
if instance_seed_pairs is None:
instance_seed_pairs = run_history.get_runs_for_config(config)
costs = []
for i, r in instance_seed_pairs:
k = RunKey(id_, i, r)
costs.append(run_history.data[k].cost)
return costs