Workload/User

0.1

0.3

0.5

0.7

0.9

Number of tasks

5,438

16,317

27,196

38,076

48,955

DC load

36.3%

87.6%

91.5%

91.4%

92.7%

Tasks Failed by servers

0

3,712

13,281

24,058

34,659

Energy Consumption without DVFS (w/h)

359.2

494.4

504.5

504.4

507.8

Energy Consumption using DVFS (w/h)

314

470.1

487.5

497.3

493.3

Energy Saving using DVFS

12.6%

4.9%

3.4%

1.4%

2.8%