Difference between experiment.config and config

asvskartheek · December 20, 2020, 4:11am

I’m trying to use Weights&Biases to log my experiments. There are two places with config which set the configuration for the experiment. Can any please help me understand what is the difference between these two?

goku · December 20, 2020, 3:32pm

mind elaborate a bit more There are two places with config which set the configuration for the experiment.?

asvskartheek · December 21, 2020, 2:09am

Yes, there are two places to set the configuration, and I’m a little confused.

Inside the wandb library can be accessed with wandb.config
Inside the Lightning library can be accessed with wandb_logger.experiment.config (wandb_logger is an object of class pytorch_lightning.loggers.WandbLogger

goku · December 21, 2020, 6:09pm

both are the same. experiment is basically wandb.init only.

github.com

Lightning-AI/lightning/blob/a401fb39a866b34a79b76f3b8a5e9ddf06b0600a/pytorch_lightning/loggers/wandb.py#L139-L141


      
          self._experiment = wandb.init(
              name=self._name, dir=self._save_dir, project=self._project, anonymous=self._anonymous,
              id=self._id, resume='allow', **self._kwargs) if wandb.run is None else wandb.run

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Difference between experiment.config and config

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