smac的intensify"/>
理解smac的intensify
- 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 farreturn []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
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理解smac的intensify
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