pytorch/ios/TestApp/benchmark/coreml_backend.py
Sergii Dymchenko d94bfaff2e Add TorchFix to the CI (#113403)
Enable flake8 plugin for https://github.com/pytorch/test-infra/tree/main/tools/torchfix - TorchFix 0.1.1.
Disable TorchFix codes that don't make sense for PyTorch itself.
Update deprecated TorchVision APIs to make TorchFix pass.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/113403
Approved by: https://github.com/Skylion007, https://github.com/malfet
2023-11-14 01:26:06 +00:00

39 lines
1 KiB
Python

import torch
from torch.backends._coreml.preprocess import CompileSpec, CoreMLComputeUnit, TensorSpec
from torchvision import models
def mobilenetv2_spec():
return {
"forward": CompileSpec(
inputs=(
TensorSpec(
shape=[1, 3, 224, 224],
),
),
outputs=(
TensorSpec(
shape=[1, 1000],
),
),
backend=CoreMLComputeUnit.CPU,
allow_low_precision=True,
),
}
def main():
model = models.mobilenet_v2(weights=models.MobileNet_V2_Weights.IMAGENET1K_V1)
model.eval()
example = torch.rand(1, 3, 224, 224)
model = torch.jit.trace(model, example)
compile_spec = mobilenetv2_spec()
mlmodel = torch._C._jit_to_backend("coreml", model, compile_spec)
print(mlmodel._c._get_method("forward").graph)
mlmodel._save_for_lite_interpreter("../models/model_coreml.ptl")
torch.jit.save(mlmodel, "../models/model_coreml.pt")
if __name__ == "__main__":
main()