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Table 7 Precision analysis of arbitrarily sized images

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

 

Image size

δ[100] (single)

δ[10-3] (double)

Image

x × y × z

[Mpx]

P = 1

P= 2

P = 4

P = 8

P = 16

P = 1 , … , 16

9

257 × 257 × 64

4.2

0.02

0.56

1.12

1.90

3.24

0.018

10

513 × 257 × 64

8.4

0.01

0.94

1.69

2.65

4.15

0.003

11

513 × 513 × 64

16.8

< 0.01

0.53

0.90

1.35

2.15

0.003

12

513 × 513 × 128

33.7

-

0.54

0.87

1.04

1.46

0.011

13

1025 × 513 × 128

67.3

-

-

1.19

1.38

1.67

0.004

14

1025 × 1025 × 128

134.5

-

-

-

0.80

0.91

0.010

15

1025 × 1025 × 256

269.0

-

-

-

-

0.61

-

16

2049 × 1025 × 256

537.7

-

-

-

-

-

-