Complex sentence: The design mounted a 32-bit ALU along with a 64-bit FPU that was itself built in three parts, an adder, a multiplier, and a "graphics processor", and could hand off up to three instructions per clock.
Split into simpler sentences: The design mounted a 32-bit ALU along with a 64-bit FPU that was itself built in three parts, an adder, a multiplier, and a "graphics processor". The system had separate pipelines for the ALU, adder and multiplier, and could hand off up to three instructions per clock.