
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

AMD’s new Zen 5 CPU boasts a 16% IPC increase over Zen 4, with significant performance gains in math-intensive tasks owing to doubled AVX throughput. A tighter physical design allows for similar die size despite increased cache and wider execution units. The new microarchitecture widens both the front end and back end and will be… continue reading

MediaTek is developing an Arm-based server processor and an associated data-center AI accelerator (NPU) according to Taiwan’s Economic Daily (經濟日報). The thinly sourced article states the TSMC-fabbed 3 nm chips will begin production in 2H25. But is the story believable? continue reading
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