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[tune] Directional metrics for components (#4120) (#4915)

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Hersh Godse
2019-06-02 22:13:40 -07:00
committed by Richard Liaw
parent 084b22181e
commit 89722ff003
31 changed files with 354 additions and 131 deletions
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python/ray/tune/examples/hyperopt_example.py
+4 -4
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@@ -20,8 +20,7 @@ def easy_objective(config, reporter):
for i in range(config["iterations"]):
reporter(
timesteps_total=i,
neg_mean_loss=-(config["height"] - 14)**2 +
abs(config["width"] - 3))
mean_loss=(config["height"] - 14)**2 - abs(config["width"] - 3))
time.sleep(0.02)
@@ -66,7 +65,8 @@ if __name__ == "__main__":
algo = HyperOptSearch(
space,
max_concurrent=4,
reward_attr="neg_mean_loss",
metric="mean_loss",
mode="min",
points_to_evaluate=current_best_params)
scheduler = AsyncHyperBandScheduler(reward_attr="neg_mean_loss")
scheduler = AsyncHyperBandScheduler(metric="mean_loss", mode="min")
run(easy_objective, search_alg=algo, scheduler=scheduler, **config)