#
cuDF

cuDF is a Python GPU DataFrame library.

To read from a single Parquet file, use the `read_parquet` function to read it into a DataFrame:

    import cudf

    df = (
        cudf.read_parquet("https://huggingface.co/datasets/tasksource/blog_authorship_corpus/resolve/refs%2Fconvert%2Fparquet/default/train/0000.parquet")
        .groupby('sign')['text']
        .apply(lambda x: x.str.len().mean())
        .sort_values(ascending=False)
        .head(5)
    )

To read multiple Parquet files - for example, if the dataset is sharded - you’ll need to use `dask-cudf`:

    import dask
    import dask.dataframe as dd

    dask.config.set({"dataframe.backend": "cudf"})

    df = (
        dd.read_parquet("https://huggingface.co/datasets/tasksource/blog_authorship_corpus/resolve/refs%2Fconvert%2Fparquet/default/train/*.parquet")
    )

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