Lightning-AI / litdata

Streamline data pipelines for AI. Process datasets across 1000s of machines, and optimize data for blazing fast model training.
Apache License 2.0
249 stars 24 forks source link

Fix: Resolve the default weights of the combined dataset #188

Closed tchaton closed 4 days ago

tchaton commented 4 days ago
Before submitting - [ ] Was this discussed/agreed via a Github issue? (no need for typos and docs improvements) - [ ] Did you read the [contributor guideline](https://github.com/Lightning-AI/lit-data/blob/main/.github/CONTRIBUTING.md), Pull Request section? - [ ] Did you make sure to update the docs? - [ ] Did you write any new necessary tests?

What does this PR do?

This PR rectifies the default weights of the CombinedStreamingDataset, so all samples have the same likelihood to be sampled.

Fixes #185

PR review

Anyone in the community is free to review the PR once the tests have passed. If we didn't discuss your PR in GitHub issues there's a high chance it will not be merged.

Did you have fun?

Make sure you had fun coding 🙃