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Table 5 Power, execution times and energy consumption on four GTX980 GPUs for different comparisons

From: DNA sequences alignment in multi-GPUs: acceleration and energy payoff

Comparison

Stage 1

Stage 2

Stage 3

Total

 
 

Average power (watts per GPU)

GCUPS/W

chr22

101.11 W

116.26 W

77.27 W

101.33

0.55

chr21

102.11 W

116.47 W

78.89 W

102.18

0.56

47M

104.37 W

117.12 W

76.33 W

104.50

0.54

chrY

103.25 W

119.63 W

77.00 W

103.26

0.56

 

Execution time (seconds)

GCUPS

chr22

11161.92 s

185.20 s

14.25 s

11361.38 s

224.60

chr21

9687.36 s

61.49 s

11.03 s

9759.89 s

229.25

47M

6694.95 s

88.25 s

9.05 s

6792.26 s

226.68

chrY

6798.12 s

3.99 s

0.07 s

6802.18 s

229.93

 

Energy consumption (kilojoules per GPU)

Cost

chr22

1128.63 kJ

21.53 kJ

1.10 kJ

4x 1151.27 kJ

0.1660 €

chr21

989.26 kJ

7.16 kJ

0.87 kJ

4x 997.29 kJ

0.1440 €

47M

698.82 kJ

10.34 kJ

0.69 kJ

4x 709.85 kJ

0.1024 €

chrY

701.94 kJ

0.48 kJ

0.00 kJ

4x 702.42 kJ

0.1012 €

  1. We also use GCUPS (GigaCells Updated Per Second) as performance metric, GCUPS/W as power efficiency metric and overall costs in euros (shown for all GPUs involved and on an average fare of 0.13 €/kWh)