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⚡️ Speed up function get_class_names_from_environment_file by 20% #574

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⚡️ Speed up function get_class_names_from_environment_file by 20% #574

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8 changes: 5 additions & 3 deletions inference/core/models/roboflow.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1067,9 +1067,11 @@ def get_class_names_from_environment_file(environment: Optional[dict]) -> List[s
raise ModelArtefactError(
f"Missing `CLASS_MAP` in environment or `CLASS_MAP` is not dict."
)
class_names = []
for i in range(len(environment["CLASS_MAP"].keys())):
class_names.append(environment["CLASS_MAP"][str(i)])
# Direct references, no loop/index overhead; avoids repeated key access
class_map = environment["CLASS_MAP"]
# Determine max index by number of keys, and use list comprehension for efficiency
num_classes = len(class_map)
class_names = [class_map[str(i)] for i in range(num_classes)]
return class_names


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