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Remove eos tokens from output by default (#2611)

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Rex 2024-02-04 14:32:42 -08:00 committed by GitHub
parent 51cd22ce56
commit 5a6c81b051
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GPG Key ID: B5690EEEBB952194
1 changed files with 12 additions and 4 deletions
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16
vllm/engine/llm_engine.py
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@ -908,13 +908,13 @@ class LLMEngine:
"""Stop the finished sequences."""
for stop_str in sampling_params.stop:
if seq.output_text.endswith(stop_str):
if not sampling_params.include_stop_str_in_output:
# Truncate the output text so that the stop string is
# not included in the output.
seq.output_text = seq.output_text[:-len(stop_str)]
self._finalize_sequence(seq, sampling_params, stop_str)
seq.status = SequenceStatus.FINISHED_STOPPED
return
if seq.get_last_token_id() in sampling_params.stop_token_ids:
stop_str = self.get_tokenizer_for_seq(seq).convert_ids_to_tokens(
seq.get_last_token_id())
self._finalize_sequence(seq, sampling_params, stop_str)
seq.status = SequenceStatus.FINISHED_STOPPED
return
@ -934,6 +934,14 @@ class LLMEngine:
seq.status = SequenceStatus.FINISHED_STOPPED
return
def _finalize_sequence(self, seq: Sequence,
sampling_params: SamplingParams,
stop_string: str) -> None:
if not sampling_params.include_stop_str_in_output and stop_string:
# Truncate the output text so that the stop string is
# not included in the output.
seq.output_text = seq.output_text[:-len(stop_string)]
def add_lora(self, lora_request: LoRARequest) -> bool:
assert lora_request.lora_int_id > 0, "lora_id must be greater than 0."
return self._run_workers(