FPU
FPU:
(Float Point Unit,浮點運算單元)FPU是專用于浮點運算的處理器,以前的FPU是一種單獨芯片,在486之后,英特爾把FPU與集成在CPU之內。
A floating point unit (FPU) is a part of a computer system specially designed to carry out operations on floating point numbers。 Typical operations are addition, subtraction, multiplication, division, and square root。 Some systems (particularly older, microcode-based architectures) can also perform various transcendental functions such as exponential or trigonometric calculations, though in most modern processors these are done with software library routines。查看更多>>