LLM4Decompile
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LLM4Decompile is the first open-source family of LLMs specialized for decompiling machine code back into readable, re-executable C source.
Model range: Open-weight decompilation LLMs from 1.3B to 33B parameters, released with both End-to-end variants (binary → C) and Ref variants that refine outputs produced by the Ghidra decompiler.
Training scale: Trained on 4B tokens of paired C source and assembly, giving the models ample coverage of realistic build-system and optimization patterns.
Decompile-Eval benchmark: The authors introduce a benchmark that measures not just textual similarity but re-compatibility and re-executability of the recovered C code - a more faithful proxy for usefulness.
Strong gains: LLM4Decompile-Ref variants outperform GPT-4o and raw Ghidra by over 100% in re-executability rate, with an additional 16.2% improvement from the refinement stage.
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