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System Information - GPU Nodes shows nodes in the wrong order on multi GPU system #2407

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DartVanya opened this issue Jan 28, 2025 · 2 comments

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@DartVanya
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DartVanya commented Jan 28, 2025

Brief description of your issue

I have a system with iGPU and dGPU. Informer GPU nodes window show nodes for GPU0 and GPU1 combined.
But there is some bug in graphs indexes code, it always show load on node 0 (which is 3D of dGPU in my system). Even if I run FurMark directly on iGPU, node 9 (which is 3D for iGPU) show zero load. This bug only affects summary GPU Nodes window, per GPU nodes windows display corrects loads.
I was unable to understand how to fix this bug in PH code.

More demonstration on video (note GPU0 is dGPU, GPU1 is iGPU):

ph_gpu_nodes_bug.mp4

Steps to reproduce (optional)

Need to run PH on multi GPU system.

  1. Open System Information window.
  2. Go to GPU section.
  3. Open GPU Nodes window.
  4. Load each system GPU individually.
  5. Watch on node loads.

Expected behavior (optional)

Show correct loads for each GPU nodes in system.

Actual behavior (optional)

Show loads only for nodes which belongs to GPU0.

Environment (optional)

Laptop with integrated and discrete graphics.

@dmex
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dmex commented Jan 29, 2025

Does Process Explorer have the same issue with GPU nodes?

https://learn.microsoft.com/en-us/sysinternals/downloads/process-explorer

@DartVanya
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Does Process Explorer have the same issue with GPU nodes?

https://learn.microsoft.com/en-us/sysinternals/downloads/process-explorer

It seems that there is not.

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