Russ Cox • 7/18/2024

Hash-Based Bisect Debugging in Compilers and Runtimes

This article introduces hash-based bisect debugging, a powerful technique for isolating bugs in compilers and runtimes. It explains how to apply binary search principles to debugging, starting with historical examples and leading to a modern, hash-based method that can quickly identify the exact code change or call stack causing a failure in large, unfamiliar codebases.

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#debugging #optimization #compiler