Comments (5)
classicsong
commented on May 20, 2024
One possibility is that the sampler can not get enough negative nodes for a batch. How large is your graph? Can you try to reduce your batchsize?
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asaluja
commented on May 20, 2024
I have around 1 million nodes and 4.5 million edges. I don't think it's batch size since I've tried reducing the batch size to 1 and the number of negative samples to 1 and I still get the same error.
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classicsong
commented on May 20, 2024
I think you can refer to how eval sampler samples edges:
dgl-ke/python/dglke/dataloader/sampler.py
Line 500 in de4e970
This gives another way to exclude positive edges
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asaluja
commented on May 20, 2024
OK thanks I'll look into that. Wondering though if the above is a bug or if I'm doing something wrong?
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classicsong
commented on May 20, 2024
You need to use return_false_neg and we will look at if there is any bug in exclude_positive=True
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