Before revision:  OpTorch python package is available at available at URLabstract 
After revision:  OpTorch python package is available at available at URLabstract \%. We also explore the effect of weights on total memory usage in deep learning pipelines. In our experiments, parallel encoding-decoding along with sequential checkpoints results in much improved memory and time usage while keeping the accuracy similar to existing pipelines. OpTorch python package is available at available at URL