Two-Stage Optimizer-Aware Online Data Selection for Large Language Models

📰 ArXiv cs.AI

Two-stage optimizer-aware online data selection for large language models improves fine-tuning efficiency

advanced Published 2 Apr 2026
Action Steps
  1. Identify the limitations of existing gradient-based data selection methods in offline settings
  2. Develop a two-stage optimizer-aware framework for online data selection
  3. Implement the framework to adapt to sequential data arrival and step-dependent sample utility
  4. Evaluate the effectiveness of the framework in improving fine-tuning efficiency
Who Needs to Know This

ML researchers and engineers working on large language models can benefit from this framework to optimize data selection and improve model performance

Key Insight

💡 Optimizer-aware online data selection can significantly improve the efficiency of large language model fine-tuning

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🚀 Improve LLM fine-tuning with two-stage optimizer-aware online data selection!

Key Takeaways

Two-stage optimizer-aware online data selection for large language models improves fine-tuning efficiency

Full Article

Title: Two-Stage Optimizer-Aware Online Data Selection for Large Language Models

Abstract:
arXiv:2604.00001v1 Announce Type: cross Abstract: Gradient-based data selection offers a principled framework for estimating sample utility in large language model (LLM) fine-tuning, but existing methods are mostly designed for offline settings. They are therefore less suited to online fine-tuning, where data arrives sequentially, sample utility is step-dependent, and the effective update geometry is shaped by adaptive optimizers. We propose an optimizer-aware framework for gradient-based online
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