Table 13 Comparison between the SHPT and the MSA path tracking methods
From: Speed-up hyperspheres homotopic path tracking algorithm for PWL circuits simulations
Example | 1 | 2 | 2 | ||||||
|---|---|---|---|---|---|---|---|---|---|
Starting point | SP1 | SP1 | SP2 | ||||||
Characteristic | SHPT | MSA1 | MSA2 | SHPT | MSA1 | MSA2 | SHPT | MSA1 | MSA2 |
Total iterations | 360 | 360 | 360 | 2500 | 2500 | 2500 | 1400 | 1400 | 2 |
Hypersphere radius | 0.001 | 0.001 | 0.001 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
Reversion phenomenon | No | No | No | No | No | No | No | No | Yes |
Solutions found | 3 | 3 | 3 | 4 | 4 | 4 | 2 | 2 | 0 |
Straight Line iterations | 336 | 0 | 0 | 2443 | 0 | 0 | 1376 | 0 | 0 |
Hypersphere iterations (NRM) | 24 | 360 | 360 | 57 | 2500 | 2500 | 24 | 1400 | 2 |
Total computing time (s) | 4.30 | 22.33 | 22.27 | 10.71 | 92.44 | 92.36 | 7.05 | 56.08 | * |
Straight Line computing time | 0.359 | 0 | 0 | 3.04 | 0 | 0 | 1.06 | 0 | * |
Hyperspheres computing time | 3.94 | 22.33 | 22.27 | 7.67 | 92.44 | 92.36 | 5.99 | 56.08 | * |