pytorch-coreml-custom-layer-example
PyTorch to CoreML: Writing custom layers with Metal
Convert PyTorch model
cd Convert
python3 -m pip install -r requirements.txt
python3 convert.py -o /path/to/output/resulting/mlmodel/file
Run the demo app
Open TorchCoreMLDemo.xcodeproj
in Xcode, build and run the app.
Shader
The code of the grid sample Metal-shader is here.
More information about grid sample (warper) algorithm you can find here.