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Properly expose batch_size from OpenVINO similarly to TensorRT #8514

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Merged
glenn-jocher merged 3 commits into from
Jul 7, 2022
Merged

Properly expose batch_size from OpenVINO similarly to TensorRT #8514

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bbe3b51
Properly expose `batch_size` from OpenVINO
democat3457 Jul 7, 2022
981e8d7
Merge branch 'master' into patch-4
glenn-jocher Jul 7, 2022
65d4bf7
Merge branch 'master' into patch-4
glenn-jocher Jul 7, 2022
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7 changes: 6 additions & 1 deletion models/common.py
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Original file line number Diff line number Diff line change
Expand Up @@ -361,11 +361,16 @@ def __init__(self, weights='yolov5s.pt', device=torch.device('cpu'), dnn=False,
elif xml: # OpenVINO
LOGGER.info(f'Loading {w} for OpenVINO inference...')
check_requirements(('openvino',)) # requires openvino-dev: https://pypi.org/project/openvino-dev/
from openvino.runtime import Core
from openvino.runtime import Core, Layout, get_batch
ie = Core()
if not Path(w).is_file(): # if not *.xml
w = next(Path(w).glob('*.xml')) # get *.xml file from *_openvino_model dir
network = ie.read_model(model=w, weights=Path(w).with_suffix('.bin'))
if network.get_parameters()[0].get_layout().empty:
network.get_parameters()[0].set_layout(Layout("NCHW"))
batch_dim = get_batch(network)
if batch_dim.is_static:
batch_size = batch_dim.get_length()
executable_network = ie.compile_model(network, device_name="CPU") # device_name="MYRIAD" for Intel NCS2
output_layer = next(iter(executable_network.outputs))
meta = Path(w).with_suffix('.yaml')
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