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[GRPO] disabling top_k sampling default#3494

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kashif merged 3 commits into
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grpo-defaults
May 26, 2025
Merged

[GRPO] disabling top_k sampling default#3494
kashif merged 3 commits into
mainfrom
grpo-defaults

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@kashif

@kashif kashif commented May 26, 2025

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What does this PR do?

Disabling top_k in GRPO sampling as a default and setting the sampling temperature default to 1.0

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  • This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
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    Pull Request section?
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  • Did you make sure to update the documentation with your changes?
  • Did you write any new necessary tests?

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@kashif kashif requested a review from lewtun May 26, 2025 08:51

@lewtun lewtun left a comment

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LGTM with a question about top_k=None and vllm that we should confirm before merging

Comment thread trl/trainer/grpo_config.py Outdated
Comment thread trl/trainer/grpo_config.py

@lewtun lewtun left a comment

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LGTM with two nits!

Comment thread trl/trainer/grpo_config.py Outdated
kashif and others added 2 commits May 26, 2025 11:03
Co-authored-by: lewtun <lewis.c.tunstall@gmail.com>
Co-authored-by: lewtun <lewis.c.tunstall@gmail.com>
@HuggingFaceDocBuilderDev

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The docs for this PR live here. All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.

@kashif kashif merged commit 5c08897 into main May 26, 2025
3 of 10 checks passed
@kashif kashif deleted the grpo-defaults branch May 26, 2025 09:32
@qgallouedec

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For reference, this has been elegantly reported here: https://x.com/kalomaze/status/1926751357983154606

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4 participants