Allow Non-Incremental vllm.RegexLogitsProcessor
(enable fast-forward)
#900
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Fixes #855
Problem:
If multiple new tokens are introduced to
vllm.RegexLogitsProcessor
without the previous sequence (input_ids[:-1]
) being processed,state
defaults to0
inExample of problematic calls:
Solution
Calculate all missing FSM states sequentially, enabling fast-forward.
Would appreciate a review @br3no, I'd like ensure this is compliant with expectations within vLLM :)