Toward Enhancing the Energy Efficiency and Minimizing the SLA Violations in Cloud Data Centers

Table 1

GD and SP performance comparison of VMPMPSO, VMPACS, and MGGA.

Reference value	Corr.	GD			SP
		MGGA	VMPACS	VMPMPSO	MGGA	VMPACS	VMPMPSO
=  = 25%	−0.754	0.07321	0.04513	0.02172	0.5391	0.2265	0.1731
	−0.348	0.05864	0.03520	0.01834	0.3873	0.1670	0.1213
	−0.072	0.05393	0.03274	0.01025	0.3235	0.1383	0.1134
	0.371	0.03275	0.02145	0.00831	0.2836	0.1152	0.1087
	0.750	0.02381	0.01956	0.00547	0.1678	0.0778	0.0542
=  = 45%	−0.755	0.03540	0.02545	0.01325	0.1953	0.1082	0.1024
	−0.374	0.04171	0.02638	0.01473	0.2284	0.1163	0.1133
	−0.052	0.04838	0.03156	0.01891	0.2845	0.1361	0.1258
	0.392	0.02576	0.01672	0.00739	0.1570	0.0674	0.0532
	0.751	0.01839	0.00878	0.00324	0.1079	0.0495	0.0270