[sillywalk]

The last 2 generations of IBM Z CPUs have "AI" inference acceleration built in. One of the use-cases was real-time credit-card fraud detection.

IBM also has a PCIe add-in card for AI called Spyre, that's also available for POWER11 systems.

https://www.ibm.com/new/announcements/telum-ii

https://research.ibm.com/blog/spyre-for-z