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#artificial intelligence Preprint Sep 2026

Hyperparameter Scaling Laws Across MoE Sparsity

This work shows that conventional hyperparameter scaling laws are insufficient for ultra-sparse MoEs: the optimal learning rate and batch size vary with activation ratio, and these shifts cannot be explained by either total or activated parameter count alone.

Chang-Xin Tian, Kun-Long Chen, Jia Liu et al. · 0 citations

SuperValid: Capability-Aligned OOD Validation for Generalizable Downstream Scaling

This work proposes SuperValid, a framework that synthesizes OOD, capability-aligned validation data by distilling core concepts from benchmarks within a capability domain and expanding them into diverse, knowledge-rich texts, which enables effective model selection, early stopping, and scaling decisions.

Quan Sun, Chang-Xin Tian, Kensen Shi et al. · 1 citation · ⚡1

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