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fix typo in scripts/chat_rl.py

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typo in comments: change "GAPO" to "DAPO"
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Haoyu Wang 2026-01-04 17:56:01 -05:00 committed by GitHub
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scripts/chat_rl.py
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@ -6,7 +6,7 @@ simpler and more similar to just REINFORCE:
1) Delete trust region, so there is no KL regularization to a reference model
2) We are on policy, so there's no need for PPO ratio+clip.
3) We use GAPO style normalization that is token-level, not sequence-level.
3) We use DAPO style normalization that is token-level, not sequence-level.
4) Instead of z-score normalization (r - mu)/sigma, only use (r - mu) as the advantage.
1 GPU: