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A New Dynamic Round Robin and SRTN Algorithm with Variable Original Time Slice and Intelligent Time Slice for Soft Real Time Systems

机译:一种新的动态循环和具有可变原始时间的sRTN算法   软实时系统的切片和智能时间片

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摘要

The main objective of the paper is to improve the Round Robin (RR) algorithmusing dynamic ITS by coalescing it with Shortest Remaining Time Next (SRTN)algorithm thus reducing the average waiting time, average turnaround time andthe number of context switches. The original time slice has been calculated foreach process based on its burst time.This is mostly suited for soft real timesystems where meeting of deadlines is desirable to increase its performance.The advantage is that processes that are closer to their remaining completiontime will get more chances to execute and leave the ready queue. This willreduce the number of processes in the ready queue by knocking out short jobsrelatively faster in a hope to reduce the average waiting time, turn aroundtime and number of context switches. This paper improves the algorithm [8] andthe experimental analysis shows that the proposed algorithm performs betterthan algorithm [6] and [8] when the processes are having an increasing order,decreasing order and random order of burst time.
机译:本文的主要目的是通过将动态ITS与最短剩余时间下一个(SRTN)算法结合在一起,从而改进使用动态ITS的Round Robin(RR)算法,从而减少平均等待时间,平均周转时间和上下文切换次数。原始时间片是根据每个过程的突发时间计算出来的,这最适合需要满足最后期限以提高其性能的软实时系统,其优点是接近其剩余完成时间的过程将获得更多机会执行并离开就绪队列。这样可以通过更快地淘汰短作业来减少就绪队列中的进程数,以期减少平均等待时间,周转时间和上下文切换次数。本文对算法[8]进行了改进,实验分析表明,该算法在突发时间具有递增顺序,递减顺序和随机顺序的情况下,性能优于算法[6]和[8]。

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