r/MachineLearning
7/3/2026
![Training transformers where every layer W = V·Uᵀ from initialization reveals a corpus-determined optimal rank - looking for arXiv endorser (cs.LG) [D]](https://external-preview.redd.it/Qfw5SuGCt2d45VbzHurInHB_fbCrPRWPZr4XzFenJcc.png?width=140&height=70&auto=webp&s=6e9379fe0f90d43518578b30abf4563219025786)
Training transformers where every layer W = V·Uᵀ from initialization reveals a corpus-determined optimal rank - looking for arXiv endorser (cs.LG) [D]
Short summary
Independent researcher introduces Native Factorized Weights (NFW), replacing dense transformer weights with low-rank factorizations W=V·U^T trained from initialization. On WikiText-2, NFW achieves better generalization than dense models with 5-10x fewer parameters by operating within a corpus-dependent optimal rank band that structurally prevents memorization. Full code, results, and training scripts shared on GitHub; author seeking arXiv endorsement for peer review.
- •Native Factorized Weights replaces dense layers with low-rank decomposition from initialization, not post-hoc
- •Models operate in a corpus-determined 'generalization band' where rank boundary prevents both underfitting and memorization
- •Achieves superior performance to dense baselines with 5-10x fewer parameters; code available on GitHub
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