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Fix updating of best epoch during early stopping (#19164)

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Victor Costa 2025-02-13 04:40:57 +00:00 • committed by GitHub
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ultralytics/utils/torch_utils.py
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@ -746,7 +746,7 @@ class EarlyStopping:
if fitness is None: # check if fitness=None (happens when val=False)
return False
if fitness >= self.best_fitness: # >= 0 to allow for early zero-fitness stage of training
if fitness > self.best_fitness or self.best_fitness == 0: # allow for early zero-fitness stage of training
self.best_epoch = epoch
self.best_fitness = fitness
delta = epoch - self.best_epoch # epochs without improvement