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Support for LongLLaMA tensor format of _past_key_values #390

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Support for LongLLaMA tensor format of _past_key_values #390

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2 changes: 1 addition & 1 deletion guidance/llms/_transformers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -278,7 +278,7 @@ async def __call__(self, prompt, stop=None, stop_regex=None, temperature=None, n

# trim the cache to what we can use
if prefix_match_len < len(self._prefix_cache): # prefix_match_len > 0 and
self._past_key_values = tuple((key[:,:,:prefix_match_len,:],value[:,:,:prefix_match_len,:]) for key,value in self._past_key_values) # TODO: this is specific to the GPT2 tensor layout
self._past_key_values = tuple(tuple(key_value[:,:,:prefix_match_len,:] for key_value in key_values) for key_values in self._past_key_values) # TODO: this works for GPT2 and Long Llama tensor layout.
self._prefix_cache = self._prefix_cache[:prefix_match_len]

# add support for pattern guidance
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