Floating-Point Unit performing floating-point calculations.

Hardware accelerating SHA-family hash calculations.

Very small cache level found in some processor architectures.

Loading predicted data into a cache before it is requested.

Address Generation Unit calculating memory addresses.

Hardware producing random or pseudorandom values.

Small, very fast processor cache close to execution units.

Processor hardware predicting and fetching future memory accesses.

Processor hardware loading data from memory.

Physical random-number generation circuitry.