Replace past with past_key_values
#20944
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gante
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Jan 4, 2023
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gante
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LGTM 👍
Although the change in the failing TF test is weird, we should try to understand it before we merge this PR 🤔
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| @staticmethod | ||
| def _reorder_cache(past, beam_idx): | ||
| reordered_past = () | ||
| for layer_past in past: | ||
| # cached cross_attention states don't have to be reordered -> they are always the same | ||
| reordered_past += ( | ||
| tuple(tf.gather(past_state, beam_idx, axis=0) for past_state in layer_past[:2]) + layer_past[2:], | ||
| ) | ||
| return reordered_past | ||
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This is no longer needed in the TF side :D (It was used in the code path that existed before the XLA transition)
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Sure, I thought that the failing test might come from this but I was wrong 😉
…to remove_past_for_past_key
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|
Ok the failing tests were because I did not pull from main, were the |
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Yes, good to merge for me! |
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What does this PR do?
The argument
pastwas completely replaced withpast_key_valuesthus this PR should fix any problem withkwargsbeing swallowed for old models in generation.Related to #20347