microsoft / microsoft/WSL

NVLink activation?

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#6,587 2 comments 0 reactions 0 assignees View on GitHub

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feature GPU
Dominant language
C++
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Description

I've got WSL2 and the CUDA driver installed and working, which is great (thanks, WSL team!). It doesn't appear that NVLink is activated or enabled. I have confirmed it isn't hardware, as confirmed in linux with p2pBandwidthLatencyTest and nvidia-smi. Is there a way to enable NVLink?

Edit: This is with 2x RTX 3090's.

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First steps

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Research direction

The issue names no repository files, tests, or entry points. Investigate the WSL2 CUDA driver integration and the reported NVLink behavior, starting with the existing WSL GPU-support documentation and issue history; done should establish whether NVLink can be enabled and document or implement a confirmed path.

Written by the indexing model from the issue text.

Assessment

Tech stack
linux
Domain
operating-systems
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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