How to generate .onnx file having custom layer?

[HaribHLK]

@tjablin
I have a pytorch model using spconv library. My task is to convert pytorch model to onnx and then from onnx to tensorrt.

Your work is quite similar to what I want to do. Please can you provide the code about how you generated libautosiniancnnplugin_ampere.so and ofa_autosinian_is176.onnx.

Does anyone have any idea how to generate .trt from pytorch model(with spconv library)? Please do suggest.