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fix: only keep stop sequence buffer if we have some

This commit is contained in:
OlivierDehaene 2023-12-14 17:04:58 +01:00
parent 80a69204c1
commit 9b78a6eee3
1 changed files with 10 additions and 9 deletions
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19
server/text_generation_server/utils/tokens.py
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@ -112,7 +112,7 @@ class StoppingCriteria:
self.stop_sequence_criterias = stop_sequence_criterias
self.max_new_tokens = max_new_tokens
self.current_tokens = 0
self.current_output = "test"
self.current_output = ""
self.ignore_eos_token = ignore_eos_token
def __call__(self, last_token: int, last_output: str) -> Tuple[bool, Optional[str]]:
@ -123,14 +123,15 @@ class StoppingCriteria:
if not self.ignore_eos_token and last_token == self.eos_token_id:
return True, FinishReason.FINISH_REASON_EOS_TOKEN
self.current_output += last_output
# There is no need to keep an output that is too long
if len(self.current_output) > 300:
# Slice to -200 to avoid doing it all the time
self.current_output = self.current_output[-200:]
for stop_sequence_criteria in self.stop_sequence_criterias:
if stop_sequence_criteria(self.current_output):
return True, FinishReason.FINISH_REASON_STOP_SEQUENCE
if self.stop_sequence_criterias:
self.current_output += last_output
# There is no need to keep an output that is too long
if len(self.current_output) > 300:
# Slice to -200 to avoid doing it all the time
self.current_output = self.current_output[-200:]
for stop_sequence_criteria in self.stop_sequence_criterias:
if stop_sequence_criteria(self.current_output):
return True, FinishReason.FINISH_REASON_STOP_SEQUENCE
return False, None