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import torch
import struct
# utils.torch_utils from yolov5 github: https://github.com/ultralytics/yolov5
from utils.torch_utils import select_device

# Initialize
device = select_device('cpu')
# Load model
model = torch.load('weights/yolov5s.pt', map_location=device)['model'].float()  # load to FP32
model.to(device).eval()

f = open('yolov5s.wts', 'w')
f.write('{}\n'.format(len(model.state_dict().keys())))
for k, v in model.state_dict().items():
    vr = v.reshape(-1).cpu().numpy()
    f.write('{} {} '.format(k, len(vr)))
    for vv in vr:
        f.write(' ')
        f.write(struct.pack('>f',float(vv)).hex())
    f.write('\n')

代码来源：

https://gitee.com/hanshangying/tensorrt-yolov5/tree/main#http://openjetson.com/