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Do not drop mask with SDPA for more cases (#30311)

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* overlooked

* style

* cleaner
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fxmarty 2024-04-18 14:37:09 +02:00 committed by GitHub
parent acab997bef
commit 63c5e27efb
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1 changed files with 6 additions and 2 deletions
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8
src/transformers/modeling_attn_mask_utils.py
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@ -319,8 +319,12 @@ def _prepare_4d_causal_attention_mask_for_sdpa(
ignore_causal_mask = False
if attention_mask is None:
if sliding_window is None or key_value_length < sliding_window:
ignore_causal_mask = not is_tracing
if (
not is_tracing
and (query_length == 1 or key_value_length == query_length)
and (sliding_window is None or key_value_length < sliding_window)
):
ignore_causal_mask = True
elif sliding_window is None or key_value_length < sliding_window:
# 4d mask is passed through
if len(attention_mask.shape) == 4: