baalajimaestro/llama.cpp
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Fix sampling bug when logits_all=False

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This commit is contained in:
Andrei Betlen 2023-11-10 05:15:41 -05:00
parent d9b38e3e3a
commit 6f0b0b1b84
1 changed files with 4 additions and 4 deletions
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llama_cpp/llama.py
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@ -1029,16 +1029,16 @@ class Llama:
) )
self._ctx.decode(self._batch) self._ctx.decode(self._batch)
# Save tokens # Save tokens
self.input_ids[self.n_tokens : self.n_tokens + n_tokens] = batch self.input_ids[n_past : n_past + n_tokens] = batch
# Save logits # Save logits
rows = n_tokens if self.context_params.logits_all else 1 rows = n_tokens
cols = self._n_vocab cols = self._n_vocab
offset = ( offset = (
0 if self.context_params.logits_all else n_tokens - 1 0 if self.context_params.logits_all else n_tokens - 1
) # NOTE: Only save the last token logits if logits_all is False ) # NOTE: Only save the last token logits if logits_all is False
self.scores[self.n_tokens + offset : self.n_tokens + n_tokens, :].reshape( self.scores[n_past + offset : n_past + n_tokens, :].reshape(
-1 -1
)[:] = self._ctx.get_logits()[: rows * cols] )[:] = self._ctx.get_logits()[offset * cols: rows * cols]
# Update n_tokens # Update n_tokens
self.n_tokens += n_tokens self.n_tokens += n_tokens