Gradient-based SVD diagnostic uncovers hidden SED-LCH coupling in single and multitask settings and shows rank-3 subspace constraints speed up grokking by 2.3x.
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Gradient-Direction Sensitivity Reveals Linear-Centroid Coupling Hidden by Optimizer Trajectories
Gradient-based SVD diagnostic uncovers hidden SED-LCH coupling in single and multitask settings and shows rank-3 subspace constraints speed up grokking by 2.3x.