| 1 |  |  | # Author: Simon Blanke | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | # Email: [email protected] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | # License: MIT License | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | import numpy as np | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | from hyperactive import Hyperactive | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | X, y = np.array([0]), np.array([0]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | memory = False | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | n_iter = 100 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | def sphere_function(para, X_train, y_train): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |     loss = [] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |     for key in para.keys(): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |         if key == "iteration": | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |             continue | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |         loss.append(para[key] * para[key]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |     return -np.array(loss).sum() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | search_config = { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     sphere_function: { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |         "x1": list(np.arange(-3, 3, 0.1)), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |         "x2": list(np.arange(-3, 3, 0.1)), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | def test_HillClimbingOptimizer(): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     opt.search(search_config, n_iter=n_iter, optimizer="HillClimbing") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     for epsilon in [0.01, 0.1, 1]: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |         opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |         opt.search( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |             search_config, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |             n_iter=n_iter, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |             optimizer={"HillClimbing": {"epsilon": epsilon}}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |         ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | def test_StochasticHillClimbingOptimizer(): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |     opt.search(search_config, n_iter=n_iter, optimizer="StochasticHillClimbing") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |     for p_down in [0.01, 0.1, 1]: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |         opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |         opt.search( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |             search_config, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |             n_iter=n_iter, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |             optimizer={"StochasticHillClimbing": {"p_down": p_down}}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |         ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  | def test_TabuOptimizer(): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |     opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     opt.search(search_config, n_iter=n_iter, optimizer="TabuSearch") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |     for tabu_memory in [1, 3, 5]: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |         opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |         opt.search( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |             search_config, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |             n_iter=n_iter, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |             optimizer={"TabuSearch": {"tabu_memory": tabu_memory}}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | def test_RandomSearchOptimizer(): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |     opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |     opt.search(search_config, n_iter=n_iter, optimizer="RandomSearch") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  | def test_RandomRestartHillClimbingOptimizer(): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |     opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |     opt.search(search_config, n_iter=n_iter, optimizer="RandomRestartHillClimbing") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |     for n_restarts in [3, 5, 20]: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |         opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |         opt.search( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |             search_config, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |             n_iter=n_iter, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |             optimizer={"RandomRestartHillClimbing": {"n_restarts": n_restarts}}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |         ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |  | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 89 |  | View Code Duplication | def test_RandomAnnealingOptimizer(): | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |     opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |     opt.search(search_config, n_iter=n_iter, optimizer="RandomAnnealing") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |     for start_temp in [0.1, 1, 10]: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |         opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |         opt.search( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |             search_config, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |             n_iter=n_iter, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |             optimizer={"RandomAnnealing": {"start_temp": start_temp}}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |         ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |  | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 102 |  | View Code Duplication | def test_SimulatedAnnealingOptimizer(): | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |     opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |     opt.search(search_config, n_iter=n_iter, optimizer="SimulatedAnnealing") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |     for start_temp in [0.1, 1, 10]: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |         opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |         opt.search( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |             search_config, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |             n_iter=n_iter, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |             optimizer={"SimulatedAnnealing": {"start_temp": start_temp}}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |         ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |  | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 115 |  | View Code Duplication | def test_StochasticTunnelingOptimizer(): | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |     opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |     opt.search(search_config, n_iter=n_iter, optimizer="StochasticTunneling") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |     for start_temp in [0.1, 1, 10]: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |         opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |         opt.search( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |             search_config, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |             n_iter=n_iter, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |             optimizer={"StochasticTunneling": {"start_temp": start_temp}}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |         ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  | def test_ParallelTemperingOptimizer(): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |     opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |     opt.search(search_config, n_iter=n_iter, optimizer="ParallelTempering") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |     for n_iter_swap in [1, 10, 30]: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |         opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |         opt.search( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |             search_config, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |             n_iter=n_iter, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |             optimizer={"ParallelTempering": {"n_iter_swap": n_iter_swap}}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |         ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  | def test_ParticleSwarmOptimizer(): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |     opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |     opt.search(search_config, n_iter=n_iter, optimizer="ParticleSwarm") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |     for n_particles in [2, 10, 30]: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |         opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |         opt.search( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |             search_config, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |             n_iter=n_iter, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |             optimizer={"ParticleSwarm": {"n_particles": n_particles}}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |         ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  | def test_EvolutionStrategyOptimizer(): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |     opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |     opt.search(search_config, n_iter=n_iter, optimizer="EvolutionStrategy") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |     for individuals in [2, 10, 30]: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |         opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |         opt.search( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |             search_config, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |             n_iter=n_iter, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |             optimizer={"EvolutionStrategy": {"individuals": individuals}}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |         ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  | def test_BayesianOptimizer(): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |     opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |     opt.search(search_config, n_iter=int(n_iter / 33), optimizer="Bayesian") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |     for warm_start_smbo in [True]: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |         opt = Hyperactive(X, y, memory="long") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |         opt.search( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |             search_config, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |             n_iter=int(n_iter / 33), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |             optimizer={"Bayesian": {"warm_start_smbo": warm_start_smbo}}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |         ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  | test_BayesianOptimizer() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  | def test_TPE(): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |     opt = Hyperactive(X, y, memory=memory) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |     opt.search(search_config, n_iter=int(n_iter / 5), optimizer="TPE") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 187 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 188 |  |  | def test_DecisionTreeOptimizer(): | 
            
                                                        
            
                                    
            
            
                | 189 |  |  |     opt = Hyperactive(X, y, memory=memory) | 
            
                                                        
            
                                    
            
            
                | 190 |  |  |     opt.search(search_config, n_iter=int(n_iter / 33), optimizer="DecisionTree") | 
            
                                                        
            
                                    
            
            
                | 191 |  |  |  |