| | Case study | PSO results | SPICE results | | | | Difference (ns) | | | Difference (ns) |
| | 1 | 5.1363 | 5.1546 | 0.0183 | 5.0674 | 5.2532 | 0.1858 | | 2 | 10.5820 | 10.5131 | 0.0689 | 10.6200 | 9.8351 | 0.7849 | | 3 | 5.1146 | 5.0244 | 0.09012 | 5.0535 | 5.3356 | 0.2821 | | 4 | 5.2015 | 5.2138 | 0.0123 | 5.0398 | 5.4025 | 0.3627 | | 5 | 8.8588 | 8.8279 | 0.0309 | 8.6485 | 8.5699 | 0.0786 | | 6 | 5.4233 | 5.4471 | 0.0238 | 5.2171 | 5.6551 | 0.438 | | 7 | 5.3678 | 5.3867 | 0.0189 | 5.2649 | 5.6741 | 0.4092 |
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