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Let iterable dataset shard have a length if implemented#2066

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muellerzr merged 1 commit into
mainfrom
dset-len
Oct 23, 2023
Merged

Let iterable dataset shard have a length if implemented#2066
muellerzr merged 1 commit into
mainfrom
dset-len

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@muellerzr

@muellerzr muellerzr commented Oct 18, 2023

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What does this PR do?

This PR mimics transformers implementation for the IterableDatasetShard by bringing over the ability for it to have a defined len and allow for epoch-based training rather than number of batches.

Fixes # (issue)

fixes #2023

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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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  • Did you write any new necessary tests?

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@BenjaminBossan @LysandreJik

@BenjaminBossan BenjaminBossan left a comment

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Thanks for the fix, looks good.

Tbh I don't understand the underlying logic, it seems to be subtle, but since it's a 1:1 copy from transformers, I guess it's fine leaving this as is.

@LysandreJik LysandreJik left a comment

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Thanks @muellerzr!

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Default data loading errors out when concatenating different sequence length batches with distributed training and IterableDataset

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