Is Writing Performant Code Too Expensive?
Explore the intricacies of writing performant code in this 48-minute conference talk from Devoxx Poland 2019. Delve into hardware counters, NUMA nodes, and vector registers to understand the possibilities of current hardware and the true cost of scalability. Learn why optimizing code is crucial despite rising developer salaries and time-to-market pressures. Discover how proper algorithms and hardware knowledge can lead to 10-100x speed improvements, bringing significant value to products and clients. Gain insights on memory bandwidth for AMD EPYC and Intel Xeon systems, and understand the impact of branch predictors on performance. Through practical examples and benchmarks, develop a better intuition for identifying optimization opportunities and balancing software development with hardware capabilities.