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Research / Efficient Adaptation

Sparse Fine-Tuning

Methods for adapting language models by updating only a small, carefully selected subset of parameters.

Research project2026★ 1 GitHub stars
Comparison of a sparse adapter with a low-rank adapter for fine-tuning

Sparse fine-tuning adapts a language model by training only a small, carefully selected subset of parameters while leaving the rest fixed. The aim is to reduce the memory and computation required for adaptation without treating every model weight as equally important.

This project connects activation-aware parameter selection with sparse optimization. The public Super-Tuning codebase and accompanying preprint contain the verified implementation and research details; no private experimental results are presented here.

Related work

Publications

2026
PreprintarXiv

Super-Tuning: From Activation-Aware Pruning to Sparse Fine-Tuning

Ivan Ilin, Philip Zmushko, Peter Richtárik

A study connecting activation-aware pruning with sparse fine-tuning for language-model adaptation.