AI RESEARCH
HubRouter: A Pluggable Sub-Quadratic Routing Primitive for Hybrid Sequence Models
arXiv CS.LG
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ArXi:2604.22442v1 Announce Type: new We validate HubRouter in three settings. (1) Hub-Jamba yields a nominal 4.2% PPL improvement (200.2 vs 209.0, single seed; possibly within seed noise) and up to ~90x