In late 2016, I was assigned the tech lead of PaddlePaddle, the open-source deep learning system of Baidu. The team updated the technology from the generation of Caffe1 to something towards a deep learning language and named it PaddlePaddle Fluid. By the year of 2019, the Fluid version is overwhelmingly used in Baidu products. There were a lot of good things that happened during the journey, but this article is all about regrets.

At a time when TenosrFlow had built a large community and before the release of PyTorch, the work to upgrade PaddlePaddle from using the graph-based autodiff approach…

Yi Wang

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