Workload/User

0.1

0.3

0.5

0.7

0.9

Number of tasks

4,106

12,322

20,538

28,753

36,969

DC load

26.1%

83.6%

92.2%

93.4%

91.4%

Tasks Failed by servers

0

288

6,557

14,923

22,896

Energy Consumption without DVFS (w/h)

332.1

483.8

506.4

509.7

504.5

Energy Consumption using DVFS (w/h)

281.6

472.1

483.2

486

498.4

Energy Saving using DVFS

15%

2.4%

4.6%

4.6%

1.2%