Table 14 Comparison between the SHPT and the MSA path tracking methods
From: Speed-up hyperspheres homotopic path tracking algorithm for PWL circuits simulations
Example | 2 | 3 | 4 | ||||||
|---|---|---|---|---|---|---|---|---|---|
Starting point | SP3 | SP1 | SP1 | ||||||
Characteristic | SHPT | MSA1 | MSA2 | SHPT | MSA1 | MSA2 | SHPT | MSA1 | MSA2 |
Total iterations | 2000 | 2000 | 1501 | 1000 | 1000 | 345 | 400 | 400 | 2 |
Hypersphere radius | 0.05 | 0.05 | 0.05 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
Reversion phenomenon | No | No | Yes | No | No | Yes | No | No | Yes |
Solutions found | 3 | 3 | 2 | 5 | 5 | 0 | 3 | 3 | 0 |
Straight Line iterations | 1937 | 0 | 0 | 802 | 0 | 0 | 214 | 0 | 0 |
Hypersphere iterations (NRM) | 63 | 2000 | 1501 | 198 | 2000 | 345 | 186 | 400 | 2 |
Total computing time (s) | 12.48 | 87.65 | * | 224.73 | 798.16 | * | 48.75 | 90.35 | * |
Straight Line computing time | 1.41 | 87.65 | * | 6.56 | 0 | * | 1.14 | 0 | * |
Hyperspheres computing time | 11.07 | 87.65 | * | 218.16 | 798.16 | * | 47.61 | 90.35 | * |