Multi-Objective Approach for Energy-Aware Workflow Scheduling in Cloud Computing Environments

Table 1

Voltage Scaling Levels and relative speeds of processors.

VSL.	P1: TURION MT-34			P2: OMAP			P3: PENTIUM M
	Volt.	Freq.	R. Speed	Volt.	Freq.	R. Speed	Volt.	Freq.	R. Speed
	(V)	(Ghz)	(%)	(V)	(Ghz)	(%)	(V)	(Ghz)	(%)
1	1.2	1.8	100	1.35	0.6	100	1.48	1.4	100
2	1.15	1.6	88.88	1.27	0.55	91.66	1.44	1.2	96.76
3	1.1	1.4	77.77	1.2	0.5	83.33	1.31	1	88.14
4	1.05	1.2	66.66	1	0.25	41.66	1.18	0.8	79.51
5	1	1	55.555	0.9	0.13	20.83	0.96	0.6	64.42
6	0.9	0.8	44.44
Cost	ec = 1.14			ec = 0.57			ec = 0.76