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Oct 22, 2026 · Fundamentals

Linked Lists Dead? Why O(1) Isn't Always Faster Than O(N) — Stroustrup's Insight

This article analyzes why linked lists often lose to arrays in real-world performance despite theoretical O(1) insertion advantages, exploring CPU cache effects, memory walls, Stroustrup's vector vs list experiments, and scenarios where linked lists still excel in kernels and hybrid structures.