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Fix CUDA tensor serialization error in predictions saving #242

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Fix CUDA tensor serialization error in predictions saving #242

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8 changes: 8 additions & 0 deletions demo_gradio.py
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Original file line number Diff line number Diff line change
Expand Up @@ -212,6 +212,14 @@ def gradio_demo(
with torch.no_grad():
predictions = run_model(target_dir, model)


# Convert CUDA tensors to CPU before saving
for key, value in predictions.items():
if isinstance(value, list):
predictions[key] = [item.cpu() if hasattr(item, 'is_cuda') and item.is_cuda else item for item in value]
elif hasattr(value, 'is_cuda') and value.is_cuda:
predictions[key] = value.cpu()

# Save predictions
prediction_save_path = os.path.join(target_dir, "predictions.npz")
np.savez(prediction_save_path, **predictions)
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