Skip to main content

Table 6 Precision analysis of specifically sized images

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

 

Image size

δ[10-3] (single)

δ[10-3] (double)

Image

x × y × z

[Mpx]

P = 1

P= 2

P = 4

P = 8

P = 16

P = 1 , … , 16

1

256 × 256 × 64

4.2

0.12

0.11

0.12

0.11

0.12

0.004

2

512 × 256 × 64

8.4

0.16

0.15

0.15

0.14

0.14

0.006

3

512 × 512 × 64

16.8

0.18

0.17

0.20

0.18

0.20

0.007

4

512 × 512 × 128

33.6

-

0.22

0.22

0.24

0.23

0.015

5

1024 × 512 × 128

67.1

-

-

0.26

0.25

0.25

0.019

6

1024 × 1024 × 128

134.2

-

-

-

0.28

0.29

0.018

7

1024 × 1024 × 256

268.4

-

-

-

-

0.26

-

8

2048 × 1024 × 256

536.9

-

-

-

-

-

-