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Shicoder avatar Shicoder commented on July 18, 2024

这里有个细节,是我会事先把所有的序列都处理成同样的长度,如果长度不够的话,默认用-1填充,这就是为什么这个用tf.cast(seq_ids >= 0, tf.float32)来做mask

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shelson-woo avatar shelson-woo commented on July 18, 2024

这里有个细节,是我会事先把所有的序列都处理成同样的长度,如果长度不够的话,默认用-1填充,这就是为什么这个用tf.cast(seq_ids >= 0, tf.float32)来做mask

您好,您那边做了填充后,还做一个 tf.string_to_hash_bucket_fast 的hash,这个导致seq_ids 里的-1 会映射成别的值,导致您 tf.expand_dims(tf.cast(seq_ids >= 0, tf.float32), axis=-1) 这步应该是不生效的

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Shicoder avatar Shicoder commented on July 18, 2024

这里有个细节,是我会事先把所有的序列都处理成同样的长度,如果长度不够的话,默认用-1填充,这就是为什么这个用tf.cast(seq_ids >= 0, tf.float32)来做mask

您好,您那边做了填充后,还做一个 tf.string_to_hash_bucket_fast 的hash,这个导致seq_ids 里的-1 会映射成别的值,导致您 tf.expand_dims(tf.cast(seq_ids >= 0, tf.float32), axis=-1) 这步应该是不生效的

是的,这里我写错了,多谢指出。 @shelson-woo

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