Broadcom Inc. began shipping a new version of its data center switch chips that can boost the efficiency of AI accelerators, aiming to take a bigger role in the booming market for artificial intelligence computing.The company started delivering the Tomahawk 6 switch chips to customers over the weekend, and the product will be broadly available in July, said Ram Velaga, senior vice president and general manager of Broadcom’s Core Switching Group. Switches, a central piece of networking equipment,...