Hello, I’m working on custom GRU implementation.
However, when I look into Pytorch GRU implementation (https://github.com/pytorch/pytorch/blob/master/torch/nn/_functions/rnn.py 201), hy is generated by (1-input_gate) * new_gate + input_gate * hidden, even though according to the original paper, hy is generated by input_gate * new_gate + (1-input_gate) * hidden.
In my opinion, with this implementation, Pytorch GRU seems to work well, because the range of values of input_gate is from 0 to 1, but I’m just curious that there is any specific reason such as for reducing computational cost etc.
Thanks