一、 embedding
1. input : [ seqlen , batchsize ]
2. output: [ seq_len, batchsize, embed_dim ]
二、 LSTM
输入:
1. input: [ seq_len, batch, input_size]
2. h0 : [ num_layers * num_directions,batch_size,hidden_size ]
输出:
1. out: [ seq_len, batch, num_directions * hidden_size ]
2.<