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About this paper

Piyush Dhoka, Vedant Pandhare, Varun Inamdar, Aadarsh Pathre, Pavitha Nooji

The authors test whether pilot-based healing can restore capabilities lost when models are pruned. They remove Transformer blocks and fine-tune the models, finding function-calling and math retention near zero in four families. With a 1M-token final-heal budget, RAH-capped raises OLMo-2-1B math retention from 0.21 to 0.35. At 4.48M tokens, uniform healing has higher point estimates; runtime and inference speed are unmeasured.

Summary by alphaXiv.

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