1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
import argparse
import cProfile
import logging
import pstats
import optuna
parser = argparse.ArgumentParser()
parser.add_argument("--storage", choices=["memory", "sqlite"], default="memory")
parser.add_argument("--params", type=int, default=100)
parser.add_argument("--trials", type=int, default=1000)
args = parser.parse_args()
def objective(trial: optuna.Trial):
val = 0
for i in range(args.params):
xi = trial.suggest_uniform(str(i), -4, 4)
val += (xi - 2) ** 2
return val
def main():
logging.disable(level=logging.INFO)
storage = None
if args.storage == "sqlite":
storage = f"sqlite:///db-{args.trials}-{args.params}.sqlite3"
sampler = optuna.samplers.CmaEsSampler()
study = optuna.create_study(sampler=sampler, storage=storage)
profiler = cProfile.Profile()
profiler.runcall(
study.optimize, objective, n_trials=args.trials, gc_after_trial=False
)
profiler.dump_stats("profile.stats")
stats = pstats.Stats("profile.stats")
stats.sort_stats("time").print_stats(5)
if __name__ == "__main__":
main()
|
