The Halt Vector: Internalizing a Causal Steering Intervention for Efficient Reasoning
The mechanism is a halt vector: a difference-of-means direction at layer 18 of this model whose steering strength controls how long it thinks, while a replicated value axis does nothing, and what works is reconstructing the whole steered activation with those dimensions pinned to their natural values.
Dylan Jayabahu, Tinuade Adeleke
· 0 citations