There is another line of work for efficient Transformers that wasn't mentioned in the paper, i.e., Adaptive Computation on the sequence level, which pools simil

There is another line of work for efficient Transformers that wasn't mentioned in the paper, i.e., Adaptive Computation on the sequence level, which pools similar tokens which are easy to predict, therefore reducing the complexity of a Transformer layer. Examples [#1](https://arxiv.org/pdf/2211.09761.pdf https://arxiv.org/pdf/2211.09761.pdf) [#2](https://arxiv.org/pdf/2103.06874.pdf https://arxiv.org/pdf/2103.06874.pdf) [#3](https://arxiv.org/pdf/2110.13711.pdf https://arxiv.org/pdf/2110.13711.pdf).