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Upgrade onnxsim to v0.4.0 #915

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Sep 13, 2022
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Upgrade onnxsim to v0.4.0 #915

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22 changes: 4 additions & 18 deletions tools/deployment/pytorch2onnx.py
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Original file line number Diff line number Diff line change
Expand Up @@ -113,26 +113,12 @@ def pytorch2onnx(model,
import onnxsim
from mmcv import digit_version

min_required_version = '0.3.0'
assert digit_version(mmcv.__version__) >= digit_version(
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it looks like a typo

min_required_version = '0.4.0'
assert digit_version(onnxsim.__version__) >= digit_version(
min_required_version
), f'Requires to install onnx-simplify>={min_required_version}'
), f'Requires to install onnxsim>={min_required_version}'

if dynamic_axes:
input_shape = (input_shape[0], input_shape[1], input_shape[2] * 2,
input_shape[3] * 2)
else:
input_shape = (input_shape[0], input_shape[1], input_shape[2],
input_shape[3])
imgs = _demo_mm_inputs(input_shape, model.head.num_classes).pop('imgs')
input_dic = {'input': imgs.detach().cpu().numpy()}
input_shape_dic = {'input': list(input_shape)}

model_opt, check_ok = onnxsim.simplify(
output_file,
input_shapes=input_shape_dic,
input_data=input_dic,
dynamic_input_shape=dynamic_export)
model_opt, check_ok = onnxsim.simplify(output_file)
if check_ok:
onnx.save(model_opt, output_file)
print(f'Successfully simplified ONNX model: {output_file}')
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