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Add output_names argument for ONNX export with dynamic axes #3456

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merged 3 commits into from
Jun 4, 2021
Merged

Add output_names argument for ONNX export with dynamic axes #3456

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e7cf148
Add output names & dynamic axes for onnx export
Jun 4, 2021
f256456
Merge remote-tracking branch 'upstream/develop' into develop
Jun 4, 2021
7b79da1
use first output only + cleanup
glenn-jocher Jun 4, 2021
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4 changes: 3 additions & 1 deletion models/export.py
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Original file line number Diff line number Diff line change
Expand Up @@ -99,8 +99,10 @@
torch.onnx.export(model, img, f, verbose=False, opset_version=opt.opset_version, input_names=['images'],
training=torch.onnx.TrainingMode.TRAINING if opt.train else torch.onnx.TrainingMode.EVAL,
do_constant_folding=not opt.train,
output_names=['output0', 'output1', 'output2', 'output3'],
dynamic_axes={'images': {0: 'batch', 2: 'height', 3: 'width'}, # size(1,3,640,640)
'output': {0: 'batch', 2: 'y', 3: 'x'}} if opt.dynamic else None)
'output0': {0: 'batch'}, 'output1': {0: 'batch'},
'output2': {0: 'batch'}, 'output3': {0: 'batch'}} if opt.dynamic else None)

# Checks
model_onnx = onnx.load(f) # load onnx model
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