Grid

Model

MATLAB

Time (s)

C++

Time (s)

CUDA

Time (s)

Speed-up

Ratio

GPU

Usage

#G1

26

7.4

1.4

5.29

23%

#G2

148

26.6

4.6

5.78

73%

#G3

882

98.4

16.4

6.00

91%

#G4

-

375.1

62.4

6.01

99%