Explore how generic programming and C++ portability enable high performance and provide insights into effective programming techniques in this CppNow conference talk. Learn about adaptive hash tables, the benefits of generic programming for code quality and flexibility, and how to analyze performance across different execution regimes. Discover insights on CPU bottlenecks, memory layouts, and cache behaviors. Gain valuable knowledge on using C++ portability to compare microarchitectures and match code to silicon capabilities. Understand how hash table workloads provide a reliable foundation for performance analysis, offering a comprehensive exploration of programming choices and their impact on performance.