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Forward-merge branch-24.06 into branch-24.08 #178
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This PR introduces support for distributed graph sampling (via NCCL backend). The initial implementation focuses on the uniform neighbor sampler. We are going to extend it to support other samplers in future. Highlights: - Distributed Graph Storage: Now, the graph structure (represented by `row_ptr` and `col_indx` tensors) can be stored as wholememory arrays in a distributed fashion with even distribution across ranks (support both `cpu` and `cuda` storage type). - Distributed Sampling: The sampling process leverages the existing wholegraph gather function to collect the sampled nodes and edges across all ranks. - Uniform Neighbor Sampler Support: Currently, only the uniform neighbor sampler is supported. cc. @linhu-nv @dongxuy04 @BradReesWork @nvcastet @TristonC Authors: - Chang Liu (https://github.com/chang-l) Approvers: - https://github.com/linhu-nv - Brad Rees (https://github.com/BradReesWork) URL: #171
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SUCCESS - forward-merge complete. |
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Forward-merge triggered by push to branch-24.06 that creates a PR to keep branch-24.08 up-to-date. If this PR is unable to be immediately merged due to conflicts, it will remain open for the team to manually merge. See forward-merger docs for more info.