How to Feed a Pull Request to an LLM: Four Diff-Packing Strategies, Compared
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How a pull request diff is packed into an LLM prompt affects review cost, coverage, and reliability more than the model choice does. A comparison of four packing strategies — single-shot, per-file chunking, retrieval-based selection, and map-reduce summarization — shows that no single approach domi…
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- 2026-08-25 05:17 · DEV Community — AI
How to Feed a Pull Request to an LLM: Four Diff-Packing Strategies, Compared