Say “open source” and “China” and most people will think of its world-conquering artificial intelligence (AI) large language models. Its open-source computer chips are just as significant. These chips are based on the RISC-V architecture (pronounced risk-five). At last month’s Zhongguancun Forum science festival in Beijing, experts celebrated the establishment in China of a complete RISC-V ecosystem. Chinese Academy of Sciences (CAS) researchers recently unveiled their latest Xiangshan processor...