Research map / Architectures and efficiency / Pruning and efficient tuning
Few-Shot Parameter-Efficient Fine-Tuning is Better and Cheaper than In-Context Learning
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| T-Few PEFT instead of few-shot ICL with GPT-3 175B | few-shot learning · T0 held-out tasks | accuracy: 66.6% -> 72.4% | Helped |
| T-Few instead of ICL | few-shot learning · T0 held-out tasks | inference FLOPs: 1.4e15 -> 1.1e12 | Helped |
| T-Few on RAFT | T0 · RAFT | accuracy: 69.6% -> 75.8% | Helped |
| add length-normalization loss (ablation) | full fine-tuning T0-3B · T0 held-out tasks | accuracy: 60.7 -> 62.71 | Helped |
| add unlikelihood loss on top of LN (ablation) | full fine-tuning T0-3B · T0 held-out tasks | accuracy: 62.71 -> 63.3 | Helped |
| (IA)^3 instead of full fine-tuning | T0-3B · T0 held-out tasks | accuracy | Helped |
| prompt tuning instead of full fine-tuning | T0-3B · T0 held-out tasks | accuracy | Hurt |
| pre-train (IA)^3 parameters on multitask mixture (ablation) | (IA)^3 T0-3B · T0 held-out tasks | accuracy: 64.6 -> 65.8 | Helped |
| add (IA)^3 pre-training (ablation) | T-Few on T0 · T0 held-out tasks | accuracy: +1.6% | Helped |
| add UL and LN losses (ablation) | T-Few on T0 · T0 held-out tasks | accuracy: +4.1% | Helped |
| few-shot ICL instead of zero-shot for T0 | T0 · T0 held-out tasks | accuracy | Hurt |
Closest papers by meaning
- Optimization Inspired Few-Shot Adaptation for Large Language Models (NeurIPS 2025 · similarity 0.91)
- Many-Shot In-Context Learning (NeurIPS 2024 · similarity 0.91)
- The Surprising Effectiveness of Test-Time Training for Few-Shot Learning (ICML 2025 · similarity 0.90)
- Drag-and-Drop LLMs: Zero-Shot Prompt-to-Weights (NeurIPS 2025 · similarity 0.89)
- LISA: Layerwise Importance Sampling for Memory-Efficient Large Language Model Fine-Tuning (NeurIPS 2024 · similarity 0.88)
- Rethinking Few-Shot Adaptation of Vision-Language Models in Two Stages (CVPR 2025 · similarity 0.88)
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