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Glossary

The terms that appear across this site, defined without marketing language.

Accelerator

A processor specialised for the mathematics behind AI. In practice, a GPU or a comparable device.

Inference

Running a trained model to produce an answer. Most business AI spending goes here.

Training

Creating a model from data. Expensive, and rarely necessary for most organisations.

Fine-tuning

Adapting an existing model to your own data or tone.

Quantisation

Storing a model at lower precision so it needs less memory, with some accuracy trade-off.

HBM

High-bandwidth memory used on enterprise accelerators.

SXM and OAM

Server accelerator module formats. They require a compatible baseboard and cannot be fitted to a desktop.

Interconnect

The high-speed link between accelerators or servers.

Tokens per second

A practical throughput measure for language models.

Utilisation

How much of the time your hardware is actually working. The number that decides whether owning beats renting.