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Initialize chord dataset after accelerator setup in GRPOTrainer #6638

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merged 1 commit into from
Nov 17, 2025
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Initialize chord dataset after accelerator setup in GRPOTrainer #6638

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2 changes: 2 additions & 0 deletions swift/trainers/rlhf_trainer/grpo_trainer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,7 @@ def __init__(self,
reward_templates = kwargs.pop('reward_template', None)
self._prepare_algorithm_params()
super().__init__(model, ref_model, *_args, **kwargs)
self._prepare_chord_dataset()
self.prepare_rollout()
self._prepare_rewards(reward_funcs, reward_model, reward_templates)

Expand Down Expand Up @@ -1868,6 +1869,7 @@ def _prepare_algorithm_params(self):
self.advantage_estimator = args.advantage_estimator
self.kl_in_reward = args.kl_in_reward

def _prepare_chord_dataset(self):
# CHORD, https://arxiv.org/abs/2508.11408
self.chord_sft_iterator = None
if self.chord_sft_dataset:
Expand Down
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