GTC 2026: Ian Buck press Q&A transcript — VP of Hyperscale and HPC speaks out on shelving CPX and shipping LPU decode this year

Nvidia's VP of Hyperscale and HPC, Ian Buck, discussed key developments at GTC 2026, including the shelving of CPX to focus on LPU decode architecture this year. The Vera CPU, designed for AI data centers, was highlighted for its agentic capabilities and efficient performance. Buck also touched on the Intel NVLink Fusion partnership progress and the integration of LPX with Vera Rubin for enhanced AI token generation. The session delved into the scalability of Nvidia's Vera Rubin architecture, emphasizing the importance of software optimization in achieving performance gains.