scaled_dot_product_attention函数兼容3D输入 by Qin-sx · Pull Request #73336 · PaddlePaddle/Paddle

@Qin-sx

	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

zhwesky2010