Inside Hash Tables: Cache-Line Locality, Robin Hood Probing & SIMD Swiss Table Architecture 1. Low-Level Foundations: The Anatomy of a Hash Function, Collision Physics & The Memory Wall 1.1 The Core Contract & The Asymptotic Lie ($O(1)$ vs The Memory Wa…
Inside Hash Tables: Cache-Line Locality, Robin Hood Probing & SIMD Swiss Table Architecture 1. Low-Level Foundations: The Anatomy of a Hash Function, Collision Physics & The Memory Wall 1.1 The Core Contract & The…
Deep Dive: Virtual Memory, Page Faults, and Performance Section 1: The Illusion of Infinite Memory: Virtual Addresses, Page Tables, and the TLB When our in-memory caching layer, FastCacheDB, allocates a 4KB chunk to store a new key-value payload…