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ultralytics 8.0.58 new SimpleClass, fixes and updates (#1636)

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Glenn Jocher 2023-03-26 22:16:38 +02:00 • committed by GitHub
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ultralytics/yolo/v8/segment/train.py
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@ -126,11 +126,11 @@ class SegLoss(Loss):
# WARNING: lines below prevents Multi-GPU DDP 'unused gradient' PyTorch errors, do not remove
else:
loss[1] += proto.sum() * 0 + pred_masks.sum() * 0
loss[1] += (proto * 0).sum() + (pred_masks * 0).sum() # inf sums may lead to nan loss
# WARNING: lines below prevent Multi-GPU DDP 'unused gradient' PyTorch errors, do not remove
else:
loss[1] += proto.sum() * 0 + pred_masks.sum() * 0
loss[1] += (proto * 0).sum() + (pred_masks * 0).sum() # inf sums may lead to nan loss
loss[0] *= self.hyp.box # box gain
loss[1] *= self.hyp.box / batch_size # seg gain