BEIJING -- Moore Threads, a Chinese graphics processing unit developer, has raised several billion yuan (several hundred million dollars) in two funding rounds within only 100 days of its establishment, according to sources. The investment in Moore Threads was jointly led by Shenzhen Capital Group, Sequoia Capital and GGC Capital. Among the other investors in the GPU startup are China Merchants Venture, ByteDance, which operates the TikTok short video app, as well as self-driving car startup Pony.ai and Riverhead Capital. Moore Threads was established only last October.