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Table 2 Speed-up and efficiency as scalability metrics of our approach

From: Data-aware optimization of bioinformatics workflows in hybrid clouds

#CPUs

Execution times in seconds

Average

Makespan

Average

Min

Max

Std

S(p)

E(p)

S(p)

E(p)

8.0

35,601

35,601

35,601

0.0

8.00

1.00

8.00

1.00

16.0

17,834

17,629

18,037

288.3

15.9

0.99

15.8

0.98

24.0

11,866

11,845

11,880

18.1

24.0

1.00

24.0

0.99

32.0

8930

8,628

9,039

201.4

31.9

0.99

31.5

0.98

40.0

7127

6,768

7,240

201.5

39.9

0.99

39.3

0.98

48.0

5929

5,713

6,159

234.7

48.0

1.00

46.2

0.96

56.0

5095

4,834

5,285

206.8

55.9

0.99

53.9

0.96

64.0

4467

4,097

4,546

150.5

63.8

0.99

62.6

0.97

72.0

3968

3,767

4,207

178.0

71.7

0.99

67.7

0.94

80.0

3571

3,122

3,688

164.5

79.7

0.99

77.1

0.96

91.3

3138

2,970

3,378

182.7

90.7

0.99

84.3

0.92

106.2

2741

2,561

2,888

85.0

103.9

0.98

98.5

0.93

123.0

2378

2,080

2,604

191.8

119.8

0.97

109.3

0.89

144.7

2029

1,937

2,183

69.4

140.3

0.97

130.4

0.90