Energy Efficient Scheduling Algorithm for Applying Dynamic Voltage and Frequency Scaling to Mixed Task Set

Abstract

Power consumption is one of the most important factors that affect the designing of battery operated real-time system or an embedded system. Various strategies have been made to improve the power dissipation. Dynamic voltage and frequency scaling (DVFS), is one of the most popular technique for reducing power dissipation and a well researched area. This paper presents DVFSMTS, Dynamic Voltage and Frequency Scaling for Mixed Task Set, which gives the working of an Earliest Deadline First (EDF), based priority exchange server. Experimental results show that DVFSMTS reduces power dissipation without compromising on the deadlines of the periodic task. The results of DVFSMTS are compared with a non-DVFS EDF based priority exchange server and an approximate 50% reduction in energy is obtained.