Table 3 Accuracy metrics for the proposed and existing approximate multipliers.

From: Area efficient approximate multiplier based on novel 4:2 compressors and error correction logic

Designs

ER %

MED

NED

MRED

NoEB

PMUL42

98.04

207.19

0.0032

0.0632

7.96

Reorder4

98.37

126.13

0.0019

0.0026

8.45

AM8EC-129

96.92

120.54

0.0019

0.0405

8.74

D230

82.32

19.29

0.0002

0.0069

10.98

D430

47.16

10.39

0.0001

0.0023

11.31

MUL434

61.23

38.52

0.0005

0.0060

9.66

MUL228

86.32

147.54

0.0024

0.0891

8.87

Proposed AXM1

94.79

123.44

0.0019

0.0364

8.69

Proposed AXM2

95.62

100.70

0.0015

0.0329

9.05

Proposed AXM3

92.52

119.46

0.0018

0.0338

8.73

Proposed AXM4

91.34

99.80

0.0014

0.0314

9.14