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[RLlib] Add option for running multiple sgd iters for impala learner api #33316

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Mar 17, 2023
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5 changes: 4 additions & 1 deletion rllib/algorithms/impala/impala.py
Original file line number Diff line number Diff line change
Expand Up @@ -863,7 +863,10 @@ def learn_on_processed_samples(self) -> ResultDict:
# Then we can't do async updates, so we need to block.
blocking = self.config.num_learner_workers == 0
lg_results = self.learner_group.update(
batch, reduce_fn=_reduce_impala_results, block=blocking
batch,
reduce_fn=_reduce_impala_results,
block=blocking,
num_iters=self.config.num_sgd_iter,
)
else:
lg_results = None
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