Most multiprocessor machines can get close to linear scaling with a finite number of CPUs, but after a certain point each additional CPU can increase performance overall, but not proportionately.

• 大多数多处理器的机器在有限的CPU数量的情形下接近线性伸缩度，但是在某点之后每个另外的CPU 能总起来增加性能，但不均衡。