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Fix issue 335 ValueError: (...) is not in list during Bayesian optimization #336

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Merged
merged 1 commit into from
Oct 13, 2025
Merged

Fix issue 335 ValueError: (...) is not in list during Bayesian optimization #336

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7 changes: 5 additions & 2 deletions kernel_tuner/strategies/bayes_opt.py
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Original file line number Diff line number Diff line change
Expand Up @@ -501,8 +501,11 @@ def draw_latin_hypercube_samples(self, num_samples: int) -> list:
normalized_param_config = self.normalize_param_config(param_config)
try:
index = self.find_param_config_index(normalized_param_config)
indices.append(index)
normalized_param_configs.append(normalized_param_config)

# returned indices must not contain duplicates
if index not in indices:
indices.append(index)
normalized_param_configs.append(normalized_param_config)
except ValueError:
"""With search space restrictions, the search space may not be a cartesian product of parameter values.
It is thus possible for LHS to generate a parameter combination that is not in the actual searchspace.
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