damccorm commented on code in PR #38088:
URL: https://github.com/apache/beam/pull/38088#discussion_r3047579424
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sdks/python/apache_beam/ml/inference/pytorch_inference.py:
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@@ -56,6 +56,20 @@
Iterable[PredictionResult]]
+def _cuda_device_is_usable() -> bool:
+ """Returns True only when CUDA can actually allocate tensors."""
+ if not torch.cuda.is_available():
+ return False
+ try:
+ # Some environments report CUDA available but fail at first real use
+ # because a driver is missing or inaccessible.
+ torch.empty(1, device='cuda')
+ return True
+ except Exception: # pylint: disable=broad-except
+ logging.debug("CUDA probe failed", exc_info=True)
Review Comment:
Lets make this a warning
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