Adding IterableAsDataPipe IterDataPipe (#63522)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/63522
Supports sharding and batching on loader level
* **#63522 Adding IterableAsDataPipe IterDataPipe
usefull for tests and simple cases**
usefull for tests and simple cases
Test Plan: Imported from OSS
Reviewed By: ejguan
Differential Revision: D30426528
Pulled By: VitalyFedyunin
fbshipit-source-id: 535b5cc1505bb58731fcca8170541ac5ee7bd417
