Model Serving

Red Hat AI Inference Server

One of the two products IBM names as required before a Spyre card will do anything. It is the driver, the traffic controller, and the reason a 128 GB card can serve more than one person at a time.

Vendor: Red Hat Licence: Commercial subscription, built on the open source vLLM project Operating environment: Red Hat Enterprise Linux 9.6, 9.8, or 10.2 in a Linux partition on IBM Power Deployment: On-premises subscription software

This is the part of a Spyre project that surprises people. IBM's own documentation says the card needs Red Hat AI Inference Server or Red Hat OpenShift AI. Not recommends. Lists as a requirement. If your budget has a card in it and no Red Hat line, the budget is wrong.

What it actually does

Imagine a very fast kitchen with one chef. Ten orders arrive at once. A naive system cooks them strictly in turn and nine people wait. A good system spots that six of the orders share the same preparation and runs them together.

That is inference serving. Red Hat AI Inference Server takes incoming requests, packs them onto the accelerator efficiently, manages the memory the model needs while it is thinking, and hands the answers back. Without it the card is a very expensive way to serve one person at a time.

The open source engine underneath

Red Hat did not write this from scratch. It is built on vLLM, an open source project widely used for exactly this job, with optimisation work from Neural Magic folded in after Red Hat acquired that team. What you are paying Red Hat for is support, security updates, and a supported combination of versions, which is the same reason an AS/400 shop pays IBM for an operating system it could theoretically assemble itself.

Confirm the exact supported versions against IBM's Spyre for Power documentation before ordering. IBM currently lists Red Hat Enterprise Linux 9.6, 9.8, and 10.2 as the supported operating system levels, and those matrices change.