baalajimaestro/llama.cpp
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Truncate max_tokens if it exceeds context length

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This commit is contained in:
Andrei Betlen 2023-06-09 10:57:36 -04:00
parent fb2c5f7fd9
commit 556c7edf47
1 changed files with 8 additions and 1 deletions
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9
llama_cpp/llama.py
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@ -811,9 +811,16 @@ class Llama:
if self.verbose: if self.verbose:
llama_cpp.llama_reset_timings(self.ctx) llama_cpp.llama_reset_timings(self.ctx)
if len(prompt_tokens) + max_tokens > self._n_ctx: if len(prompt_tokens) > self._n_ctx:
raise ValueError(f"Requested tokens exceed context window of {self._n_ctx}") raise ValueError(f"Requested tokens exceed context window of {self._n_ctx}")
# Truncate max_tokens if requested tokens would exceed the context window
max_tokens = (
max_tokens
if max_tokens + len(prompt_tokens) < self._n_ctx
else (self._n_ctx - len(prompt_tokens))
)
if stop != []: if stop != []:
stop_sequences = [s.encode("utf-8") for s in stop] stop_sequences = [s.encode("utf-8") for s in stop]
else: else: