|
1
|
|
|
from gradient_free_optimizers.optimizers.core_optimizer import search_tracker |
|
2
|
|
|
import pytest |
|
3
|
|
|
import numpy as np |
|
4
|
|
|
|
|
5
|
|
|
from gradient_free_optimizers import ( |
|
6
|
|
|
HillClimbingOptimizer, |
|
7
|
|
|
StochasticHillClimbingOptimizer, |
|
8
|
|
|
RepulsingHillClimbingOptimizer, |
|
9
|
|
|
SimulatedAnnealingOptimizer, |
|
10
|
|
|
DownhillSimplexOptimizer, |
|
11
|
|
|
RandomSearchOptimizer, |
|
12
|
|
|
GridSearchOptimizer, |
|
13
|
|
|
RandomRestartHillClimbingOptimizer, |
|
14
|
|
|
PowellsMethod, |
|
15
|
|
|
PatternSearch, |
|
16
|
|
|
RandomAnnealingOptimizer, |
|
17
|
|
|
ParallelTemperingOptimizer, |
|
18
|
|
|
ParticleSwarmOptimizer, |
|
19
|
|
|
EvolutionStrategyOptimizer, |
|
20
|
|
|
BayesianOptimizer, |
|
21
|
|
|
TreeStructuredParzenEstimators, |
|
22
|
|
|
ForestOptimizer, |
|
23
|
|
|
) |
|
24
|
|
|
|
|
25
|
|
|
optimizers = ( |
|
26
|
|
|
"Optimizer", |
|
27
|
|
|
[ |
|
28
|
|
|
(HillClimbingOptimizer), |
|
29
|
|
|
(StochasticHillClimbingOptimizer), |
|
30
|
|
|
(RepulsingHillClimbingOptimizer), |
|
31
|
|
|
(SimulatedAnnealingOptimizer), |
|
32
|
|
|
(DownhillSimplexOptimizer), |
|
33
|
|
|
(RandomSearchOptimizer), |
|
34
|
|
|
(GridSearchOptimizer), |
|
35
|
|
|
(RandomRestartHillClimbingOptimizer), |
|
36
|
|
|
(PowellsMethod), |
|
37
|
|
|
(PatternSearch), |
|
38
|
|
|
(RandomAnnealingOptimizer), |
|
39
|
|
|
(ParallelTemperingOptimizer), |
|
40
|
|
|
(ParticleSwarmOptimizer), |
|
41
|
|
|
(EvolutionStrategyOptimizer), |
|
42
|
|
|
(BayesianOptimizer), |
|
43
|
|
|
(TreeStructuredParzenEstimators), |
|
44
|
|
|
(ForestOptimizer), |
|
45
|
|
|
], |
|
46
|
|
|
) |
|
47
|
|
|
|
|
48
|
|
|
|
|
49
|
|
|
def objective_function(para): |
|
50
|
|
|
score = -para["x1"] * para["x1"] |
|
51
|
|
|
return score |
|
52
|
|
|
|
|
53
|
|
|
|
|
54
|
|
|
search_space = { |
|
55
|
|
|
"x1": np.arange(0, 10, 1), |
|
56
|
|
|
} |
|
57
|
|
|
|
|
58
|
|
|
|
|
59
|
|
|
@pytest.mark.parametrize(*optimizers) |
|
60
|
|
|
def test_opt_algos_0(Optimizer): |
|
61
|
|
|
opt = Optimizer(search_space) |
|
62
|
|
|
opt.search(objective_function, n_iter=15) |
|
63
|
|
|
|
|
64
|
|
|
_ = opt.best_para |
|
65
|
|
|
_ = opt.best_score |
|
66
|
|
|
_ = opt.search_data |
|
67
|
|
|
|