让 ast.walk 加速 220 倍
本文探讨了如何通过优化 AST（抽象语法树）遍历算法，将 Python 标准库中 ast.walk 函数的性能提升 220 倍。作者深入分析了原始实现的性能瓶颈，并提出了改进方案，展示了在编译器工具链中进行性能优化的实用技巧。
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