[GRPO] Ensure max_prompt_length can accommodate protected tokens #4121
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…truncation errors
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qgallouedec
reviewed
Sep 22, 2025
trl/trainer/grpo_trainer.py
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| else: | ||
| effective_max_length = self.max_prompt_length | ||
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| prompt_ids, prompt_mask = truncate_with_protected_tokens( |
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so here, if you've a prompt that contains more than self.max_prompt_length image tokens, you'll effectively get a prompt_ids.shape[1] > self.max_prompt_length?
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yes that is correct
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Closing as the issue is not fixed |
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fixes issue #4061