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ultralytics 8.0.106 (#2736)

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Glenn Jocher 2023-05-22 13:31:19 +02:00 • committed by GitHub
parent 23fc50641c
commit 4db686a315
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41 changed files with 1159 additions and 151 deletions
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8
ultralytics/yolo/utils/torch_utils.py
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@ -341,6 +341,12 @@ def strip_optimizer(f: Union[str, Path] = 'best.pt', s: str = '') -> None:
for f in Path('/Users/glennjocher/Downloads/weights').rglob('*.pt'):
strip_optimizer(f)
"""
# Use dill (if exists) to serialize the lambda functions where pickle does not do this
try:
import dill as pickle
except ImportError:
import pickle
x = torch.load(f, map_location=torch.device('cpu'))
args = {**DEFAULT_CFG_DICT, **x['train_args']} # combine model args with default args, preferring model args
if x.get('ema'):
@ -353,7 +359,7 @@ def strip_optimizer(f: Union[str, Path] = 'best.pt', s: str = '') -> None:
p.requires_grad = False
x['train_args'] = {k: v for k, v in args.items() if k in DEFAULT_CFG_KEYS} # strip non-default keys
# x['model'].args = x['train_args']
torch.save(x, s or f)
torch.save(x, s or f, pickle_module=pickle)
mb = os.path.getsize(s or f) / 1E6 # filesize
LOGGER.info(f"Optimizer stripped from {f},{f' saved as {s},' if s else ''} {mb:.1f}MB")