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Table 1 CPU utilization in three applications

From: DV-DVFS: merging data variety and DVFS technique to manage the energy consumption of big data processing

Applications WordCount Grep Inverted index
Average-CPU usage 68% 45% 82%
Variance CPU usage 42 17.5 30.5
Coefficient of variation of CPU usage 0.51 0.65 0.64
Average‚Äďaverage processing time 14.9 6.97 2283.5
Variance of processing time 31.3 4.12 6,881,847.7
Coefficient of variation of processing time 2.1 0.6 3013.8