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Fix PERPLEXITY task #1037

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Fix PERPLEXITY task #1037

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9b2ca83
fix perplexity metric issues
Nov 4, 2025
8256008
fixed styling
Nov 7, 2025
e07acec
Merge branch 'main' into main
ScottHoang Nov 11, 2025
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7 changes: 6 additions & 1 deletion src/lighteval/utils/cache_management.py
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Original file line number Diff line number Diff line change
Expand Up @@ -210,6 +210,8 @@ def get_task_id(self, task_name: str, sampling_method: SamplingMethod) -> TaskID

def get_sampling_method(self, sample: dict) -> str:
if len(sample.get("logprobs", [])) > 0:
if len(sample.get("text", [])) == 0:
return SamplingMethod.PERPLEXITY
return SamplingMethod.LOGPROBS
if len(sample.get("text", [])) > 0:
return SamplingMethod.GENERATIVE
Expand Down Expand Up @@ -269,7 +271,10 @@ def get_samples_to_process_and_cache(
return docs_not_cached, set(tasks_with_cached_samples)

def get_samples_from_cache(
self, docs: List[Doc], task_ids: List[TaskID] | set[TaskID], sampling_method: SamplingMethod
self,
docs: List[Doc],
task_ids: List[TaskID] | set[TaskID],
sampling_method: SamplingMethod,
) -> List[dict | ModelResponse]:
"""Get cached samples for the given docs.
Warning: Assumes all docs and task_names provided are stored in cache, will fail otherwise.
Expand Down