yeandy commented on code in PR #22795:
URL: https://github.com/apache/beam/pull/22795#discussion_r950237304
##########
sdks/python/apache_beam/ml/inference/pytorch_inference.py:
##########
@@ -234,16 +263,17 @@ def run_inference(
# If elements in `batch` are provided as a dictionaries from key to
Tensors,
# then iterate through the batch list, and group Tensors to the same key
key_to_tensor_list = defaultdict(list)
- for example in batch:
- for key, tensor in example.items():
- key_to_tensor_list[key].append(tensor)
- key_to_batched_tensors = {}
- for key in key_to_tensor_list:
- batched_tensors = torch.stack(key_to_tensor_list[key])
- batched_tensors = _convert_to_device(batched_tensors, self._device)
- key_to_batched_tensors[key] = batched_tensors
- predictions = model(**key_to_batched_tensors, **inference_args)
- return [PredictionResult(x, y) for x, y in zip(batch, predictions)]
+ with torch.no_grad():
Review Comment:
Necessary to prevent `RuntimeError: Expected all tensors to be on the same
device, but found at least two devices, cpu and cuda:0!` warning
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
