Mao Yunfei
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Mao Yunfei
The new implementation converts indexedslices to tensor in Adam optimizer. Tensorflow use a single op ["apply_adam"](https://github.com/tensorflow/tensorflow/blob/v2.2.0/tensorflow/python/training/adam.py#L153) to deal with tensors, while use many [small ops](https://github.com/tensorflow/tensorflow/blob/v2.2.0/tensorflow/python/training/adam.py#L183) to deal wth indexedslices in...