Table 2 Comparison of performance of QGAN and SQGEN for 20 epochs of learning with BFGS optimizer for varied size of generated n-qubit GHZ state.
n | Feature | SQGEN | QGAN | |
|---|---|---|---|---|
Discriminator | Generator | |||
1 | Experiments per epoch | 32.68 | 19.3 | 130.73 |
Circuit depth | 27 | 19 | 5 | |
Average time per epoch | 0.93 | 1.52 | ||
Range of time per epoch | 0.88–1.06 | 1.33–1.77 | ||
2 | Experiments per epoch | 61.01 | 46.8 | 124.86 |
Circuit depth | 92 | 71 | 18 | |
Average time per epoch | 10.87 | 9.97 | ||
Range of time per epoch | 10.08–11.87 | 8.65–11.92 | ||
3 | Experiments per epoch | 92 | 70.72 | 147.25 |
Circuit depth | 317 | 239 | 55 | |
Average time per epoch | 52.87 | 39.80 | ||
Range of time per epoch | 51.14–55.34 | 34.73–44.90 | ||
4 | Experiments per epoch | 136.42 | 102 | 229.19 |
Circuit depth | 976 | 747 | 174 | |
Average time per epoch | 229.44 | 174.34 | ||
Range of time per epoch | 62.03–470.08 | 135.01–288.03 | ||
5 | Experiments per epoch | 127.69 | 156.66 | 172.83 |
Circuit depth | 2404 | 1851 | 434 | |
Average time per epoch | 516.45 | 515.85 | ||
Range of time per epoch | 172.25–628.61 | 300.55–925.95 | ||
6 | Experiments per epoch | 176.79 | 137.5 | 158.44 |
Circuit depth | 5385 | 4159 | 979 | |
Average time per epoch | 1558.58 | 999.93 | ||
Range of time per epoch | 443.82–2621.82 | 718.19–1148.19 | ||
