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 |