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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
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 16 - Number 1 |
| Year of Publication: 2011 |
| Authors: H.S. Behera, Simpi Patel, Bijayalakshmi Panda |
10.5120/2037-2648
|
H.S. Behera, Simpi Patel, Bijayalakshmi Panda . A New Dynamic Round Robin and SRTN Algorithm with Variable Original Time Slice and Intelligent Time Slice for Soft Real Time Systems. International Journal of Computer Applications. 16, 1 ( February 2011), 54-60. DOI=10.5120/2037-2648
Abstract
The main objective of the paper is to improve the Round Robin (RR) algorithm using dynamic ITS by coalescing it with Shortest Remaining Time Next (SRTN) algorithm thus reducing the average waiting time, average turnaround time and the number of context switches. The original time slice has been calculated for each process based on its burst time.This is mostly suited for soft real time systems where meeting of deadlines is desirable to increase its performance. The advantage is that processes that are closer to their remaining completion time will get more chances to execute and leave the ready queue. This will reduce the number of processes in the ready queue by knocking out short jobs relatively faster in a hope to reduce the average waiting time, turn around time and number of context switches. This paper improves the algorithm [8] and the experimental analysis shows that the proposed algorithm performs better than algorithm [6] and [8] when the processes are having an increasing order, decreasing order and random order of burst time.
References
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- A New Scheduling Algorithms for Real Time Tasks, C.Yaashuwanth and Dr.R.Ramesh Department of Electrical and Electronics Engineering, Anna University Chennai, Chennai 600 025, India-2009
- Design and Performance Evaluation of a New Proposed Shortest Remaining Burst Round Robin (SRBRR) Scheduling Algorithm Prof. Rakesh Mohanty, Prof. H. S. Behera Khusbu Patwari, Manas Ranjan Das, Monisha Dash, Sudhashree, Department of Computer Science and Engineering Veer Surendra Sai University of Technology, Burla, Sambalpur, Orissa, India.-2010
- Priority Based Dynamic Round Robin (PBDRR) Algorithm with Intelligent Time Slice for Soft Real Time Systems Prof. Rakesh Mohanty, Prof. H. S. Behera, Khusbu Patwari, Monisha Dash, M. Lakshmi Prasanna, ICCA-2010
- Silberschatz, A., P.B. Galvin and G. Gagne, Operating Systems Concepts. 7th Edn. John Wiley and Sons, USA
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