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[GH-ISSUE #367] [DEPRECATED] NVIDIA-peermem -> DMA-BUF #251

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opened 2026-10-26 09:57:24 +00:00 by bsakaguchi · 1 comment
bsakaguchi commented 2026-10-26 09:57:24 +00:00
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Originally created by @vHitsuji on GitHub (Aug 20, 2025).
Original GitHub issue: https://github.com/deepseek-ai/DeepEP/issues/367

According to nvidia,
https://docs.nvidia.com/datacenter/cloud-native/gpu-operator/25.3.0/gpu-operator-rdma.html#common-prerequisites
Peermem is being deprecated for DMA-BUF.
Would it be a hard work to migrate to DMA-BUF?

Thank you!

Originally created by @vHitsuji on GitHub (Aug 20, 2025). Original GitHub issue: https://github.com/deepseek-ai/DeepEP/issues/367 According to nvidia, https://docs.nvidia.com/datacenter/cloud-native/gpu-operator/25.3.0/gpu-operator-rdma.html#common-prerequisites Peermem is being deprecated for DMA-BUF. Would it be a hard work to migrate to DMA-BUF? Thank you!
bsakaguchi commented 2026-10-26 09:57:25 +00:00
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@sphish commented on GitHub (Sep 23, 2025):

This mainly depends on NVSHMEM. NVSHMEM supports dmabuf, but we haven’t tested it.

<!-- gh-comment-id:3323271485 --> @sphish commented on GitHub (Sep 23, 2025): This mainly depends on NVSHMEM. NVSHMEM supports dmabuf, but we haven’t tested it.
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