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Reloading experiment from the database in Service API does not reload the generation strategy if a custom one was set

See original GitHub issue

I initiate a AxClient as it shown below:

_gs = GenerationStrategy( steps=[ GenerationStep( model=Models.SOBOL, num_trials=3, max_parallelism=max_parallelism, model_kwargs={"seed": 999}, model_gen_kwargs={}, ), GenerationStep( model=Models.GPEI, num_trials=-1, max_parallelism=self.max_parallelism, ), ] ) ax_client = AxClient( generation_strategy=_gs, db_settings=db_settings )

And then I create the experiment: ax_client.create_experiment(....), without any generation strategy arguments. However, after the first call to get_next_trial, I realized the generation strategy has gone back to default 6 Sobol iteration, and then GPEI. Am I missing anything in customizing the generation strategy?

Issue Analytics

State:
Created a year ago
Comments:10 (2 by maintainers)

Top GitHub Comments

2reactions

farrokhsiarcommented, Apr 20, 2022

Yes! I ran and got the same results!

1reaction

danielcohenlivecommented, Apr 22, 2022

https://github.com/facebook/Ax/pull/931 should handle it.

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