
AWS’s Graviton 4 processor, based on Arm’s Neoverse V2 CPU, delivers performance comparable to AMD’s high-core-count Epyc processors in many server workloads. While Epyc still holds advantages in certain areas, Graviton’s lower cost and strong performance in HPC workloads make it a compelling option. The rise of Arm-based servers marks a significant shift in the… continue reading

Startup Fractile claims its data-center NPU will be 100× faster than an Nvidia H100 at 1/10th the cost. The secretive company indicates it’s employing in-memory computation to improve MAC-unit utilization and power efficiency. continue reading

I’m pleased to announce two new members of the XPU.pub family. To provide headlines beyond XPU.pub posts and a discussion forum, I’m introducing XPU.news. It’s a site organized like Hacker News and focused on processors. Please register, submit links, and discuss your ideas. (Your browser will probably throw a security warning the first time you continue reading

Tenstorrent’s new Wormhole AI accelerator (NPU) is a development platform like its predecessor. Among upgrades to the earlier Grayskull, Wormhole adds Ethernet for chip-to-chip interconnect. It should helps Tenstorrent develop an ecosystem for a next-generation NPU. continue reading

CPU instability indicates Intel’s 13th and 14th Generation Core (Raptor Lake) processors have defects affecting reliability. How the company addresses the problem will tarnish or burnish its reputation. continue reading

Thanks for reading this and my other notes. Extra gratitude to those who have signed up for my newsletter. Looking at the list, I think I know half of you! Here’s a hint at what I’m planning to do next and a request for you to send me ideas. continue reading
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