[BUG] Fix Graph Construction From Pandas in cuGraph-PyG #3985
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alexbarghi-nv
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…arghi-nv/cugraph into fix-large-pandas-dataframe
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tingyu66
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Supports the `drop_last` argument in cuGraph-PyG for better compatibility with native PyG workflows. Closes #3949 Merge after #3985 Authors: - Alex Barghi (https://github.com/alexbarghi-nv) - Naim (https://github.com/naimnv) Approvers: - Tingyu Wang (https://github.com/tingyu66) - Brad Rees (https://github.com/BradReesWork) - Vibhu Jawa (https://github.com/VibhuJawa) URL: #3995
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The current graph construction creates a single pandas dataframe, which for larger datasets (i.e. ogbn-papers100M) cannot be serialized. This PR resolves this by breaking up the dataframe into scattered numpy arrays that are then reassembled.
Merge after #3978