Lion Optimizer #262
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Lion Optimizer #262
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Hi, thank you for the contribution -- that was very fast! :) I'm afraid I don't have time to review right now, but should be able to get to it ~next week. |
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New optimizer, fresh off the press! Chen, et al., 2023. "Symbolic Discovery of Optimization Algorithms" describes the Evolved Sign Momentum optimizer, or "Lion."
I had to try it out with NeRF but I haven't gotten great results yet. The config file I added here did give me some good results with
mlp_learning_an_imagethat appear to rival Adam, but I haven't done extensive benchmarking.Code was rewritten from https://github.com/google/automl/blob/master/lion/lion_pytorch.py - enjoy!