•1 min read•from Machine Learning
I Found a Hidden Ratio in Transformers That Predicts Geometric Stability [R]
I have analyzed some decoder transformer models using Lyapunov spectral analysis and found that the ratio of the MLP and attention spectral norms strongly indicates whether a model will eventually collapse to rank-1 or not by the final layers.
I found that the spectral ratio is best kept around 0.5–2 for keeping the model stable till the final layers.
Paper/Github repo: https://github.com/yousef-rafat/the-1-1-rule
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