Self-distillation choices govern learning gains and preservation of prior abilities

Across 1,200 adaptation runs, teacher coupling most strongly affected task acquisition, while rollout source and KL direction had task-dependent and model-dependent effects.

Chinese Tech
Luis Zuin · Alexis Huet · Dario Rossi · Zied Ben Houidi

Huawei Technologies Co., Ltd.

Research Digest··3 min read
Zuin and colleagues separate self-distillation with privileged context into three design choices that prior studies often bundle together: who generates training rollouts, how closely the teacher follows the student, and which direction of Kullback-Leibler divergence is minimized.

The authors define a common objective covering privileged-context self-distillation and conventional supervised fine-tuning.

Why this paper

From Huawei Technologies Co., Ltd.

In one line

Self-distillation's three axes each affect acquisition and retention differently depending on task contradiction and model identity.

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Research Digest

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