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Table 2 Convolution of specifically sized images

From: Convolution of large 3D images on GPU and its decomposition

 

Image size

Time (s)

Image

x × y × z

[Mpx]

P

GPUc2c

CPUr2c

CPUr2c

1

256 × 256 × 64

4.2

1

0.3

0.6

0.2

2

512 × 256 × 64

8.4

1

0.4

1.4

0.4

3

512 × 512 × 64

16.8

1

0.5

3.4

0.9

4

512 × 512 × 128

33.6

2

0.6

13.2

2.6

5

1024 × 512 × 128

67.1

4

1.4

29.3

5.4

6

1024 × 1024 × 128

134.2

8

2.8

54.3

12.9

7

1024 × 1024 × 256

268.4

16

6.2

104.3

24.0

8

2048 × 1024 × 256

536.9

--

--

--

52.2