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Fix TensorRT exports to ONNX opset 12 #9441

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merged 2 commits into from
Sep 16, 2022
Merged

Fix TensorRT exports to ONNX opset 12 #9441

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2bb7e76
Fix TensorRT exports to ONNX opset 12
glenn-jocher Sep 16, 2022
966309b
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Sep 16, 2022
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9 changes: 4 additions & 5 deletions export.py
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Original file line number Diff line number Diff line change
Expand Up @@ -251,7 +251,7 @@ def export_engine(model, im, file, half, dynamic, simplify, workspace=4, verbose
model.model[-1].anchor_grid = grid
else: # TensorRT >= 8
check_version(trt.__version__, '8.0.0', hard=True) # require tensorrt>=8.0.0
export_onnx(model, im, file, 13, False, dynamic, simplify) # opset 13
export_onnx(model, im, file, 12, False, dynamic, simplify) # opset 12
onnx = file.with_suffix('.onnx')

LOGGER.info(f'\n{prefix} starting export with TensorRT {trt.__version__}...')
Expand All @@ -274,11 +274,10 @@ def export_engine(model, im, file, half, dynamic, simplify, workspace=4, verbose

inputs = [network.get_input(i) for i in range(network.num_inputs)]
outputs = [network.get_output(i) for i in range(network.num_outputs)]
LOGGER.info(f'{prefix} Network Description:')
for inp in inputs:
LOGGER.info(f'{prefix}\tinput "{inp.name}" with shape {inp.shape} and dtype {inp.dtype}')
LOGGER.info(f'{prefix} input "{inp.name}" with shape{inp.shape} {inp.dtype}')
for out in outputs:
LOGGER.info(f'{prefix}\toutput "{out.name}" with shape {out.shape} and dtype {out.dtype}')
LOGGER.info(f'{prefix} output "{out.name}" with shape{out.shape} {out.dtype}')

if dynamic:
if im.shape[0] <= 1:
Expand All @@ -288,7 +287,7 @@ def export_engine(model, im, file, half, dynamic, simplify, workspace=4, verbose
profile.set_shape(inp.name, (1, *im.shape[1:]), (max(1, im.shape[0] // 2), *im.shape[1:]), im.shape)
config.add_optimization_profile(profile)

LOGGER.info(f'{prefix} building FP{16 if builder.platform_has_fast_fp16 and half else 32} engine in {f}')
LOGGER.info(f'{prefix} building FP{16 if builder.platform_has_fast_fp16 and half else 32} engine as {f}')
if builder.platform_has_fast_fp16 and half:
config.set_flag(trt.BuilderFlag.FP16)
with builder.build_engine(network, config) as engine, open(f, 'wb') as t:
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