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Added Dask processor and Petastorm reader to train large datasets #970
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tgaddair
changed the title
[WIP] Initial commit of Dask processor for large datasets
[WIP] Initial commit of Dask processor and Petastorm reader for large datasets
Oct 25, 2020
tgaddair
changed the title
[WIP] Added Dask processor and Petastorm reader to train large datasets
Added Dask processor and Petastorm reader to train large datasets
Nov 1, 2020
Superceded by #1090. |
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This pull request accomplishes the following goals:
Previous implementation of
Dataset
assumed all data was stored in an in-memory dictionary. Previous implementation ofBatcher
assumed the dataset provided random access. Now we introduce separate datasets for in-memory datasets and Parquet-file datasets (processed with Petastorm), as well a separate batchers for random access and iterable datasets.