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Added check of parameter type before setting required_grad=True for frozen layers (#8318)

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Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>
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Alexander Suslov 2024-02-20 20:32:04 +04:00 committed by GitHub
parent d03928f371
commit 5171d6679d
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ultralytics/engine/trainer.py
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@ -252,7 +252,7 @@ class BaseTrainer:
if any(x in k for x in freeze_layer_names): if any(x in k for x in freeze_layer_names):
LOGGER.info(f"Freezing layer '{k}'") LOGGER.info(f"Freezing layer '{k}'")
v.requires_grad = False v.requires_grad = False
elif not v.requires_grad: elif not v.requires_grad and v.dtype.is_floating_point: # only floating point Tensor can require gradients
LOGGER.info( LOGGER.info(
f"WARNING ⚠️ setting 'requires_grad=True' for frozen layer '{k}'. " f"WARNING ⚠️ setting 'requires_grad=True' for frozen layer '{k}'. "
"See ultralytics.engine.trainer for customization of frozen layers." "See ultralytics.engine.trainer for customization of frozen layers."