C++, C#, Rust or Python - Which is the Best Choice for Low Energy Consumption?

Explore the critical relationship between programming language choice and energy consumption in this conference talk from C++ on Sea 2025. Discover how the selection of programming languages like C++, C#, Rust, and Python directly impacts both the economic and ecological footprint of software systems worldwide. Learn about the growing energy consumption of IT centers and its significance for battery-powered devices such as smartphones and tablets. Examine comprehensive studies and original analysis comparing energy efficiency across multiple programming languages, with energy consumption defined as runtime multiplied by power consumption. Understand how different programming languages influence both components of this equation and gain insights into making more environmentally conscious development decisions. Access practical knowledge from industry experts Tina Ulbrich from ROSEN and Hendrik Niemeyer, who bring extensive experience in numerical algorithms, data processing, and distributed computing to this 49-minute presentation that addresses one of the most pressing concerns in modern software development.