How The Most Important CPU Design Keeps Getting Better
Arm designs the CPUs behind the world’s most advanced compute platforms, from smartphones to AI datacenters. I went to their HQ to understand how those CPUs are actually built, and what makes a good one today. It’s not just about core counts anymore—it’s about systems, software, and the workloads they’re designed to handle.
[00:00] CPUs and AI
[01:32] Arm’s Mobile Legacy
[03:25] Efficiency, Flexibility, Relevance
[04:11] The PPAT Trade-offs
[05:56] Workload-Driven Design
[07:01] Ecosystem and Schedule
[08:06] Software Engineers’ Insights
[09:43] Machine Learning's Role
[10:48] Interview with Fred Piry, Lead Architect
[12:57] Memory Tagging Extension
[14:04] Compute Subsystem (CSS)
[17:08] CSS Value Proposition
[18:31] Interview with Chris Bergey, SVP
[20:46] ARM is Driven By Workloads
Thumbnail image credit: Hundven-Clements Photography
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