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Update MG negative sampling to return random samples distributed as specified #4885

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@ChuckHastings ChuckHastings commented Jan 23, 2025

Modifies the new negative sampling interface so that when called from MG, each rank specifies how many samples they wish to receive, and to randomly distribute the samples across the calling GPUs.

Marked breaking as it changes the C++ interface... although nothing uses it yet.

Closes #4672

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@ChuckHastings ChuckHastings marked this pull request as ready for review January 23, 2025 00:52
@ChuckHastings ChuckHastings requested a review from a team as a code owner January 23, 2025 00:52
@ChuckHastings ChuckHastings self-assigned this Jan 23, 2025
@ChuckHastings ChuckHastings added improvement Improvement / enhancement to an existing function breaking Breaking change and removed cuGraph labels Jan 23, 2025
@ChuckHastings ChuckHastings added this to the 25.02 milestone Jan 23, 2025
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Shouldn't we update the documentation?

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Shouldn't we update the documentation?

Just pushed an update to the documentation.

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Update Negative Sampling to request edges per worker
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