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Table 9 The results for Example 4

From: Multistep schemes for solving backward stochastic differential equations on GPU

K

N

M

\(|y_{0,0}-y_{0}^{0}|\)

\(|z_{0,0}-z_{0}^{0}|\)

\(t_{CPU}\)

\(t_{GPU}\)

speedup

Memory

1

8

46

1.32E−02

1.95E−03

0.14

0.01

18.60

0.30

1

16

64

6.46E−03

4.64E−03

0.53

0.01

45.96

0.30

1

32

92

3.18E−03

3.24E−03

2.12

0.04

47.55

0.30

1

64

128

1.57E−03

1.85E−03

8.73

0.17

50.33

0.30

2

8

78

5.90E−04

8.49E−03

0.62

0.01

44.08

0.30

2

16

128

8.31E−04

3.46E−03

3.56

0.07

49.93

0.31

2

32

216

5.84E−04

1.44E−03

21.96

0.42

51.75

0.34

2

64

364

3.39E−04

6.39E−04

131.09

2.57

50.95

0.42

3

8

128

3.94E−04

1.43E−03

2.12

0.04

49.40

0.32

3

16

256

6.75E−05

2.08E−04

21.05

0.41

51.83

0.38

3

32

512

9.72E−06

2.79E−05

187.79

3.61

52.04

0.65

3

64

1024

1.30E−06

3.60E−06

1719.55

30.54

56.30

1.66

4

8

128

1.90E−04

8.09E−04

2.41

0.05

45.19

0.33

4

16

256

3.78E−05

1.24E−04

25.99

0.51

51.18

0.40

4

32

512

5.69E−06

1.67E−05

239.73

4.63

51.80

0.75

4

64

1024

7.76E−07

2.17E−06

2279.06

40.10

56.83

2.09

5

8

128

1.39E−04

7.49E−04

2.39

0.05

45.06

0.35

5

16

256

3.65E−05

1.30E−04

30.16

0.59

51.27

0.43

5

32

512

6.00E−06

1.83E−05

292.10

5.67

51.54

0.86

5

64

1024

8.48E−07

2.42E−06

3049.33

48.75

62.55

2.52

6

8

128

8.13E−05

5.97E−04

2.21

0.04

50.61

0.34

6

16

256

3.07E−05

1.18E−04

32.93

0.64

51.76

0.46

6

32

512

5.49E−06

1.73E−05

341.15

6.46

52.81

0.97

6

64

1024

8.00E−07

2.32E−06

3394.13

57.56

58.96

2.94