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TensorRT 7 anchor_grid compatibility fix #6185

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glenn-jocher merged 4 commits into from
Jan 4, 2022
Merged

TensorRT 7 anchor_grid compatibility fix #6185

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d13f7f7
fix: TensorRT 7 incompatiable
imyhxy Jan 4, 2022
24d8477
Merge branch 'master' into fix-tensorrt7
imyhxy Jan 4, 2022
627eb21
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glenn-jocher Jan 4, 2022
9e34119
Add if: else and comment
glenn-jocher Jan 4, 2022
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12 changes: 9 additions & 3 deletions export.py
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Original file line number Diff line number Diff line change
Expand Up @@ -175,7 +175,13 @@ def export_engine(model, im, file, train, half, simplify, workspace=4, verbose=F
import tensorrt as trt

opset = (12, 13)[trt.__version__[0] == '8'] # test on TensorRT 7.x and 8.x
export_onnx(model, im, file, opset, train, False, simplify)
if opset == 12: # TensorRT 7 handling https://github.com/ultralytics/yolov5/issues/6012
grid = model.model[-1].anchor_grid
model.model[-1].anchor_grid = [a[..., :1, :1, :] for a in grid]
export_onnx(model, im, file, opset, train, False, simplify)
model.model[-1].anchor_grid = grid
else: # TensorRT >= 8
export_onnx(model, im, file, opset, train, False, simplify)
onnx = file.with_suffix('.onnx')
assert onnx.exists(), f'failed to export ONNX file: {onnx}'

Expand Down Expand Up @@ -418,12 +424,12 @@ def run(data=ROOT / 'data/coco128.yaml', # 'dataset.yaml path'
# Exports
if 'torchscript' in include:
export_torchscript(model, im, file, optimize)
if 'engine' in include: # TensorRT required before ONNX
export_engine(model, im, file, train, half, simplify, workspace, verbose)
if ('onnx' in include) or ('openvino' in include): # OpenVINO requires ONNX
export_onnx(model, im, file, opset, train, dynamic, simplify)
if 'openvino' in include:
export_openvino(model, im, file)
if 'engine' in include:
export_engine(model, im, file, train, half, simplify, workspace, verbose)
if 'coreml' in include:
export_coreml(model, im, file)

Expand Down