In order to simplify calculation and keep enough precision, we adopt the measure of linearization, according to characteristic of PA and its function in CSSE.

• 根掘PA算法本身的特点和它在并行调度和调度执行机制中的功能 ，采用了线性化的万法，既简化了运算，又保持了一定的精度和可靠 性。