TensorRT: Unsupported operation Slice


I am trying to run a TensorRT engine with a uff graph definition. However, when executing the engine, I receive the following error:

ERROR: UFFParser: Validator error: vars/resnet_4b/conv2/Slice: Unsupported operation _Slice

Is it correct, that TensorRT does currently not support Slicing? Is there a way to construct a workaround for slicing in TensorRT?

Thanks you very much in advance!

I believe “Slice” is supported but “_Slice” is not. You need to figure out why your model has a _Slice op.

Could you refer me to a resource describing the Slice support? There is no mention in the official API or any other resources I found.

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Currently Supported TensorFlow API’s are listed here:

Please file a bug here: https://developer.nvidia.com/nvidia-developer-program
Please include the steps used to reproduce the problem along with the output of infer_device.
That way we can make sure that TensorRT 4.0 GA supports your use case.