Comments (7)
FLming
commented on May 25, 2024
tf.ragged.map_flat_values不会填充值，只是一个映射。BLK是作为blank，其实写什么都行。
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kingwpf
commented on May 25, 2024
我把这个结果打出来看了一下是这样的，这里的0只是为了可视化才会填充的吗？
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FLming
commented on May 25, 2024
dataset类输出的y值应该是一个sparsetensor呀？你输出的时候用to_tensor了吧。这个类方法会填充值
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kingwpf
commented on May 25, 2024
dataset类输出的y值应该是一个sparsetensor呀？你输出的时候用to_tensor了吧。这个类方法会填充值
好的好的，我的确是to_tensor了，谢谢。
另外还有一个问题要麻烦你一下，我是用自己跑的数据集，然后从头训练，loss从90左右降到50的样子就会出现inf，然后一会就变成nan了，请问你这个可能是什么问题呢？
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FLming
commented on May 25, 2024
ctc loss好像蛮容易跑飞了的，和数据有很大的关系。如果是梯度爆炸了的话，适度使用梯度剪裁等方式处理一下？应该不会是梯度消失大概。
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kingwpf
commented on May 25, 2024
ctc loss好像蛮容易跑飞了的，和数据有很大的关系。如果是梯度爆炸了的话，适度使用梯度剪裁等方式处理一下？应该不会是梯度消失大概。
嗯嗯，谢谢你
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kingwpf
commented on May 25, 2024
ctc loss好像蛮容易跑飞了的，和数据有很大的关系。如果是梯度爆炸了的话，适度使用梯度剪裁等方式处理一下？应该不会是梯度消失大概。
我试着加大sequence length就好了，应该是我的数据里面label长度太长导致的
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Related Issues (20)
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