SAN FRANCISCO : Arm Holdings expects its share of the global market for data center central processing units to surge to 50 per cent by the end of the year, up from about 15 per cent in 2024 with gains driven by the boom in artificial intelligence, a senior executive said. Arm's CPUs are often used as a "host" chip inside of an AI computing system and act as a kind of traffic controller for other AI chips. Nvidia, for example, uses an Arm-based chip called Grace in some of its advanced AI