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As a GPU researcher I would like GEOPM to dynamically map GPUs to CPUs as part of the topology & report #2719

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lhlawson opened this issue Nov 21, 2022 · 0 comments
Open

As a GPU researcher I would like GEOPM to dynamically map GPUs to CPUs as part of the topology & report #2719

lhlawson opened this issue Nov 21, 2022 · 0 comments
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feature Description of a new feature as a story level-zero Issues related to LevelZero support nvml

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@lhlawson
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Is your feature request related to a problem? Please describe.
I'm always frustrated when GPU aggregate values in the report are based upon static CPU mappings.

Describe the solution you'd like
GPU to CPU affinitization should be tracked dynamically over the course of a runtime as it will change.

The NVMLIOGroup already provides GPU_CPU_ACTIVE_AFFINITIZATION which reports dynamic CPU-GPU process mapping. Incorporating this into PlatformTopo and making PlatformTopo dynamic would be ideal.

Describe alternatives you've considered
Breaking the GPU-CPU mapping entirely, and reporting them separately.
@lhlawson lhlawson added level-zero Issues related to LevelZero support feature Description of a new feature as a story nvml labels Nov 21, 2022
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