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deepfm中embedding的梯度计算 #16

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hanfu opened this issue Jan 15, 2020 · 0 comments

hanfu commented Jan 15, 2020

您好, 请教一个梯度计算的问题. deepfm中embedding层的参数学习(即second_order_emb), torch在计算梯度的时候是分别计算deep部分和fm部分, 然后求和得到更新的步长的么? 另外就是这个embedding层的初始化有什么技巧么?

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