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Fix ref weights being broadcast on the first async update after resume #2224

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Fix ref weights being broadcast on the first async update after resume #2224

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25985e6
fix: restore actor weights after initialization
ishzgu Jul 20, 2026
3f44d98
Merge branch 'main' into fix/async-resume-actor-weights
ishzgu Jul 24, 2026
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5 changes: 3 additions & 2 deletions slime/backends/megatron_utils/actor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -183,9 +183,10 @@ def init(
# empty cache after initialization
clear_memory()

if self.args.offload_train:
# recover to actor in the end.
if self._active_model_tag != "actor":
self._switch_model("actor")

if self.args.offload_train:
self.sleep()

self.rollout_engines = None
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