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| Content Provider | IET Digital Library |
|---|---|
| Author | Singh, Pawan |
| Abstract | A huge consumption of energy in the data centres has become a motivation for improvement in computing capability and energy conservation. The dynamic speed scaling and job scheduling are efficient methods to improve the energy efficiency of processors. In this study, an online non-clairvoyant scheduling algorithm arrival time-algorithm (At-ALG) is proposed with an objective to scale the speed of processors and schedule the jobs in a multiprocessor system to minimise the total magnitude-based/weighted flow time plus energy consumed. The traditional power function Power = Spee d ω is adopted, where ω > 1 is a constant. At-ALG is analysed, against an offline adversary, using the potential function analysis. The magnitude/weight/priority of jobs in At-ALG are generated using their processed time (waiting time plus executed time) and speed of any processor depends on the number of active jobs plus sum of processed time of active jobs. At-ALG is O ( 1 ) -competitive with no resource augmentation. |
| Starting Page | 25 |
| Ending Page | 32 |
| Page Count | 8 |
| ISSN | 17518822 |
| Volume Number | 12 |
| e-ISSN | 17518830 |
| Issue Number | Issue 1, Jan (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-smt/12/1 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-smt.2016.0365 |
| Journal | IET Science, Measurement & Technology |
| Publisher Date | 2017-08-15 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Distributed System Software Dynamic Speed Scaling Energy Conservation Energy Efficiency Job Scheduling Multiprocessing System Multiprocessor System Online Nonclairvoyant Scheduling Algorithm Arrival Time-algorithm Parallel Programming And Algorithm Theory Potential Function Analysis Power Consumption Power Function Power-aware Speed Scaling Processor Scheduling |
| Content Type | Text |
| Resource Type | Article |
| Subject | Atomic and Molecular Physics, and Optics Electrical and Electronic Engineering |
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