[RLlib] - Enable multi-learner setup for hybrid stack BC #46436
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…i-learner setups in BC impossible on the hybrid stack. Signed-off-by: simonsays1980 <simon.zehnder@gmail.com>
simonsays1980
added
rllib
sven1977
approved these changes
Jul 4, 2024
… and added logic in BC to add the used module ID if existent. Signed-off-by: simonsays1980 <simon.zehnder@gmail.com>
sven1977
reviewed
Jul 8, 2024
rllib/algorithms/bc/bc.py
Outdated
| train_results = self.learner_group.update_from_batch( | ||
| batch=train_batch.as_multi_agent( | ||
| module_id=list(self.config.policies)[0] | ||
| if self.config.policies |
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self.config.policies should always be available and you should always be able to iterate through it. So I don't think, we need this if-check here.
sven1977
reviewed
Jul 8, 2024
| @@ -147,6 +147,7 @@ | |||
| TRAINING_ITERATION: args.stop_iters, | |||
| } | |||
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| args.local_mode = True | |||
sven1977
reviewed
Jul 8, 2024
| @@ -907,14 +908,20 @@ def get(self, key, default=None): | |||
| return default | |||
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| @PublicAPI | |||
| def as_multi_agent(self) -> "MultiAgentBatch": | |||
| """Returns the respective MultiAgentBatch using DEFAULT_POLICY_ID. | |||
| def as_multi_agent(self, module_id: Optional[ModuleID] = None) -> "MultiAgentBatch": | |||
…able and removed local mode from example which is a relict from debugging. Signed-off-by: simonsays1980 <simon.zehnder@gmail.com>
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Why are these changes needed?
This PR does fix a bug in hybrid stack BC which was hindering multi-learner setups for offline RL.
Related issue number
Checks
git commit -s) in this PR.scripts/format.shto lint the changes in this PR.method in Tune, I've added it in
doc/source/tune/api/under thecorresponding
.rstfile.