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A comment on macOS 26.2 enables fast AI clusters with RDMA over Thunderbolt. Parent comment

Re:macOS 26.2 enables fast AI clusters with RDMA over Thunde... by wmf on Friday December 12, 2025 @11:07PM (#46251902)
Yeah, two Mac Studios is going to be ~400 W.
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Re:macOS 26.2 enables fast AI clusters with RDMA over Thunde... by CamperBob2 on Friday December 12, 2025 @11:15PM (#46251931)
What am I missing? https://i.imgur.com/YpcnlCH.png

(Edit: interesting, thanks. So the underlying OS APIs that supply the power-consumption figures reported by asitop are just outright broken. The discrepancy is far too large to chalk up to static power losses or die-specific calibration factors that the video talks about.)

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Re:macOS 26.2 enables fast AI clusters with RDMA over Thunde... by wmf on Friday December 12, 2025 @11:51PM (#46252086)
https://www.youtube.com/watch?v=zCkbVLqUedg
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Re:macOS 26.2 enables fast AI clusters with RDMA over Thunde... by m-s-y on Saturday December 13, 2025 @12:22AM (#46252238)
Can confirm. My M3 Ultra tops out at 210W when ComfyUI or ollama is running flat out. Confirmed via smart plug.
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