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[Bugfix] fix logit processor excceed vocab size issue #6927

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merged 4 commits into from
Jul 31, 2024
Merged

[Bugfix] fix logit processor excceed vocab size issue #6927

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d94c22d
fix logit processor excceed vocab size issue
FeiDeng Jul 30, 2024
26871dd
refactor according to comments
FeiDeng Jul 30, 2024
bfdfefb
reformat
FeiDeng Jul 31, 2024
caeadcd
fix failed gate
FeiDeng Jul 31, 2024
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6 changes: 6 additions & 0 deletions vllm/entrypoints/openai/logits_processors.py
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,12 @@ def get_logits_processors(
"Found token_id in logit_bias that is not "
"an integer or string representing an integer") from exc

# Check if token_id is within the vocab size
for token_id, bias in clamped_logit_bias.items():
if token_id < 0 or token_id >= len(tokenizer.vocab_size):
raise ValueError("token_id in logit_bias contains "
"out-of-vocab token id")

def logit_bias_logits_processor(token_ids: List[int],
logits: torch.Tensor) -> torch.Tensor:
for token_id, bias in clamped_logit_bias.items():
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