What a Small RAG Fine-Tuning Experiment Can Actually Prove
I fine-tuned a pretrained reranker, verified that its weights changed, reloaded the selected checkpoint, and ran a controlled comparison with the original model. The measured ranking gain on the held-out synthetic slice was zero. That result was useful. It showed that the training and evaluation pa…
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- 2026-10-30 21:00 · DEV Community — Machine Learning
What a Small RAG Fine-Tuning Experiment Can Actually Prove