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Add ability to log loss/PPL per validation/test set#1392

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aflah02 wants to merge 4 commits into
EleutherAI:mainfrom
aflah02:val_dataset_separation
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Add ability to log loss/PPL per validation/test set#1392
aflah02 wants to merge 4 commits into
EleutherAI:mainfrom
aflah02:val_dataset_separation

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@aflah02

@aflah02 aflah02 commented Jun 17, 2026

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As discussed on Discord

The PR would benefit from first merging #1387, #1389 and #1356

These PRs fix eval which is currently fully broken and all runs crash when pipe parallel size is set to 1. One of the PRs also aligns args which is not contingent but would be nice to align args once and for all for future PRs.

In my testing it works well and logs separately as expected. Design Doc is just for reference and will be removed post review/ can be removed even before that if preferred

@aflah02
aflah02 requested a review from Quentin-Anthony as a code owner June 17, 2026 16:31
@aflah02

aflah02 commented Jun 17, 2026

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Tests pass locally :)

@aflah02

aflah02 commented Jun 17, 2026

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Some changes in the last commit also fix other tests locally and are unrelated to the core PR but were existing bugs - Happy to move to another PR if that is preferred

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