Table 5 Average results over 10 runs of our offline meta-level approach with a different setting of the string length
Test problem | (1+1)ES-style IEC with \(\mu =1\) | Meta-level algorithm design approach | |||
|---|---|---|---|---|---|
Length 4 | Length 20 | Length 40 | Length 200 | ||
Sphere | 135.3 (23.7) | 136.8 (22.5) | 129.1 (21.8) | 130.0 (22.4) | 140.4 (26.0) |
Rosenbrock | 4672 (1160) | 4490 (1164) | 4447 (1092) | 4490 (1152) | 4742 (1257) |
Griewank | 339.1 (59.3) | 342.9 (56.3) | 323.7 (54.5) | 326.8 (56.9) | 349.8 (61.6) |
Ackley | 7.848 (0.569) | 7.818 (0.537) | 7.769 (0.520) | 7.761 (0.532) | 7.885 (0.516) |
Levy | 36819 (5935) | 30317 (4386) | 25928 (4270) | 25326 (4414) | 26023 (4255) |
Rastrigin | 734.6 (50.8) | 682.0 (44.5) | 622.8 (44.0) | 617.8 (46.3) | 625.8 (43.7) |