6× faster binary search: from compiled code to mechanical sympathy

399 · Itamar Turner-Trauring · July 11, 2026, 10:54 p.m.
Summary
This blog post discusses how to significantly speed up Python code, specifically focusing on improving a binary search algorithm within scikit-learn's gradient histogram boosting. The author shares optimizations that make the implementation 6 times faster by enhancing the interaction with CPU hardware, touching on low-level techniques such as instruction-level parallelism and memory management.