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You Only Fine-tune Once: Many-Shot In-Context Fine-Tuning for Large Language Models

arXiv – CS AI|Wenchong He, Liqian Peng, Zhe Jiang, Alex Go||1 views
πŸ€–AI Summary

Researchers propose Many-Shot In-Context Fine-tuning (ManyICL), a novel approach that significantly improves large language model performance by treating multiple in-context examples as supervised training targets rather than just prompts. The method narrows the performance gap between in-context learning and dedicated fine-tuning while reducing catastrophic forgetting issues.

Key Takeaways
  • β†’ManyICL extends in-context learning to a many-shot setting, treating every answer within context as a supervised training target.
  • β†’The approach significantly outperforms zero/few-shot fine-tuning and approaches dedicated fine-tuning performance levels.
  • β†’ManyICL effectively mitigates catastrophic forgetting issues commonly observed in traditional fine-tuning methods.
  • β†’Experiments demonstrate effectiveness across diverse tasks including classification, summarization, question answering, and mathematics.
  • β†’The method enables moderately sized models like Mistral 7B and Llama-3 8B to handle multiple downstream tasks simultaneously.
Read Original β†’via arXiv – CS AI
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