parallel speedup

• 加速比

parallel speedup的用法和样例：

例句

1. In fact, the traditional speedup model is a special case of the node-oriented one.
   事实上，传统的加速比模型是面向结点加速比模型的一个特例。
2. The node-oriented speedup is measurable and reflects the performance improvement after more nodes are included.
   面向结点加速比模型充分考虑了实际运行时间的可测性，反映出了系统在使用了多个结点之后性能的改变。