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Fix tracking for NVIDIA Blackwell GPUs (catching pynvml.NVMLError_NotSupported) #1038

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Fix tracking for NVIDIA Blackwell GPUs (catching pynvml.NVMLError_NotSupported) #1038

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826ca56
Add error handling for memory info retrieval
raphischer Jan 22, 2026
58d77d2
lint
benoit-cty Jan 22, 2026
ac5a465
Fix exception catching syntax
raphischer Jan 22, 2026
4a371a3
Update error comment
raphischer Jan 22, 2026
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6 changes: 5 additions & 1 deletion codecarbon/core/gpu.py
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Original file line number Diff line number Diff line change
Expand Up @@ -141,7 +141,11 @@ def _get_memory_info(self):
"""Returns memory info in bytes
https://docs.nvidia.com/deploy/nvml-api/group__nvmlDeviceQueries.html#group__nvmlDeviceQueries_1g2dfeb1db82aa1de91aa6edf941c85ca8
"""
return pynvml.nvmlDeviceGetMemoryInfo(self.handle)
try:
return pynvml.nvmlDeviceGetMemoryInfo(self.handle)
except pynvml.NVMLError_NotSupported:
# error thrown for the NVIDIA Blackwell GPU of DGX Spark, due to memory sharing -> return defaults instead
return pynvml.c_nvmlMemory_t(-1, -1, -1)

def _get_temperature(self) -> int:
"""Returns degrees in the Celsius scale
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