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Add --optimize argument #3093

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May 10, 2021
Merged

Add --optimize argument #3093

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4 changes: 2 additions & 2 deletions models/export.py
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@
parser.add_argument('--half', action='store_true', help='FP16 half-precision export')
parser.add_argument('--inplace', action='store_true', help='set YOLOv5 Detect() inplace=True')
parser.add_argument('--train', action='store_true', help='model.train() mode')
parser.add_argument('--optimize', action='store_true', help='optimize TorchScript for mobile') # TorchScript-only
parser.add_argument('--dynamic', action='store_true', help='dynamic ONNX axes') # ONNX-only
parser.add_argument('--simplify', action='store_true', help='simplify ONNX model') # ONNX-only
opt = parser.parse_args()
Expand Down Expand Up @@ -78,7 +79,7 @@
print(f'\n{prefix} starting export with torch {torch.__version__}...')
f = opt.weights.replace('.pt', '.torchscript.pt') # filename
ts = torch.jit.trace(model, img, strict=False)
optimize_for_mobile(ts).save(f) # https://pytorch.org/tutorials/recipes/script_optimized.html
(optimize_for_mobile(ts) if opt.optimize else ts).save(f)
print(f'{prefix} export success, saved as {f} ({file_size(f):.1f} MB)')
except Exception as e:
print(f'{prefix} export failure: {e}')
Expand Down Expand Up @@ -123,7 +124,6 @@
import coremltools as ct

print(f'{prefix} starting export with coremltools {ct.__version__}...')
# convert model from torchscript and apply pixel scaling as per detect.py
model = ct.convert(ts, inputs=[ct.ImageType(name='image', shape=img.shape, scale=1 / 255.0, bias=[0, 0, 0])])
f = opt.weights.replace('.pt', '.mlmodel') # filename
model.save(f)
Expand Down