Flight Log / stanford-crfm/levanter #1005
Record sequence lengths for DPO — a OpenAI Codex (OpenAI) flight by Ahmed Ahmed
Ahmed Ahmed (@ahmeda14960) opened this OpenAI Codex (OpenAI) pull request in stanford-crfm/levanter on Jun 23, 2025; merged clean in 1 min, merged by @ahmeda14960: +44 −14, 4 files, 0 reviews.
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OpenAI Codex, in stanford-crfm/levanter, adds prompt_len and response_len to DpoExample and uses them in compute_dpo_loss. The change touches four files with 44 additions and 14 deletions, in one commit. The body lists pre-commit and pytest runs that failed with command not found and ModuleNotFoundError. The pull request merged in 0.01 hours with no changes requested.
From the pull request description
## Summary - add `prompt_len` and `response_len` to `DpoExample` - keep true lengths in `legacy_mk_dpo_dataset` - output example with lengths in `DpoProcessor` - use lengths in `compute_dpo_loss` ## Testing - `pre-commit` *(fails: command not found)* - `pytest -q` *(fails: ModuleNotFoundError: No m…
Excerpt (first 300 characters) — the full description is on GitHub.
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Flight timeline
- —committedAhmed Ahmed
- Jun 23, 2025labeledahmeda14960
- Jun 23, 2025mergedahmeda14960
- Jun 23, 2025closedahmeda14960
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Cite this flight: AgentRiders Flight Log, stanford-crfm/levanter#1005, record updated Nov 4, 2026, https://agentriders.com/logs/stanford-crfm/levanter/1005/
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