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scaled_dot_product_attention函数兼容3D输入 - #73336
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zhwesky2010 merged 3 commits intoJun 17, 2025
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modified: python/paddle/nn/functional/flash_attention.py modified: test/legacy_test/test_scaled_dot_product_attention.py
modified: test/legacy_test/test_scaled_dot_product_attention.py
modified: test/legacy_test/test_scaled_dot_product_attention.py
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## develop #73336 +/- ##
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Description
scaled_dot_product_attention函数兼容3D输入。如果输入是3D，[seq_len, num_heads, head_dim]，函数内部扩充为4D [1, seq_len, num_heads, head_dim]