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11 changes: 5 additions & 6 deletions kernel_tuner/strategies/bayes_opt.py
Original file line number Diff line number Diff line change
Expand Up @@ -268,7 +268,6 @@ def get_hyperparam(name: str, default, supported_values=list()):
self.__valid_observations = list()
self.unvisited_cache = self.unvisited()
time_setup = time.perf_counter_ns()
self.error_message_searchspace_fully_observed = "The search space has been fully observed"

# take initial sample
if self.num_initial_samples > 0:
Expand Down Expand Up @@ -569,7 +568,7 @@ def __optimize(self, max_fevals):
"""Find the next best candidate configuration(s), evaluate those and update the model accordingly."""
while self.fevals < max_fevals:
if self.__visited_num >= self.searchspace_size:
raise ValueError(self.error_message_searchspace_fully_observed)
break
predictions, _, std = self.predict_list(self.unvisited_cache)
hyperparam = self.contextual_variance(std)
list_of_acquisition_values = self.__af(predictions, hyperparam)
Expand Down Expand Up @@ -608,7 +607,7 @@ def __optimize_multi(self, max_fevals):
predictions, _, std = self.predict_list(self.unvisited_cache)
hyperparam = self.contextual_variance(std)
if self.__visited_num >= self.searchspace_size:
raise ValueError(self.error_message_searchspace_fully_observed)
break
time_predictions = time.perf_counter_ns()
actual_candidate_params = list()
actual_candidate_indices = list()
Expand Down Expand Up @@ -724,7 +723,7 @@ def __optimize_multi_advanced(self, max_fevals, increase_precision=False):
if single_af:
return self.__optimize(max_fevals)
if self.__visited_num >= self.searchspace_size:
raise ValueError(self.error_message_searchspace_fully_observed)
break
observations_median = np.median(self.__valid_observations)
if increase_precision is False:
predictions, _, std = self.predict_list(self.unvisited_cache)
Expand Down Expand Up @@ -832,7 +831,7 @@ def __optimize_multi_fast(self, max_fevals):
predictions, _, std = self.predict_list(self.unvisited_cache)
hyperparam = self.contextual_variance(std)
if self.__visited_num >= self.searchspace_size:
raise ValueError(self.error_message_searchspace_fully_observed)
break
for af in aqfs:
if self.__visited_num >= self.searchspace_size or self.fevals >= max_fevals:
break
Expand Down Expand Up @@ -873,7 +872,7 @@ def __optimize_multi_ultrafast(self, max_fevals, predict_eval_ratio=5):
eval_start = time.perf_counter()
hyperparam = self.contextual_variance(std)
if self.__visited_num >= self.searchspace_size:
raise ValueError(self.error_message_searchspace_fully_observed)
break
for af in aqfs:
if self.__visited_num >= self.searchspace_size or self.fevals >= max_fevals:
break
Expand Down