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[PyTorch] NCCL EP zero copy with symmem pool and user provided recv_topk_weight tensor
- #3187
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Jul 21, 2026
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[PyTorch] NCCL EP zero copy with symmem pool and user provided recv_topk_weight tensor
#3187
phu0ngng
merged 10 commits into
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NVIDIA/TransformerEngine:main
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YangFei1990:nccl_ep_zero_cp
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expose user provided weights
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adding pool based symm allocation; remove the persistent buffer in EpBuffer
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[pre-commit.ci] auto fixes from pre-commit.com hooks
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add check for symm backed tensor
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Merge branch 'nccl_ep_zero_cp' of https://github.com/YangFei1990/TransformerEngine into nccl_ep_zero_cp
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add zero copy tests
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Address review: guard symm-mem pool backend + is_symm_backed bootstrap
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