2684bcdc7d
Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com> Co-authored-by: UltralyticsAssistant <web@ultralytics.com>
120 lines
2.6 KiB
Markdown
120 lines
2.6 KiB
Markdown
---
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description: Discover the essential base callbacks in Ultralytics for training, validation, prediction, and exporting models efficiently.
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keywords: Ultralytics, base callbacks, training, validation, prediction, model export, ML, machine learning, deep learning
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---
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# Reference for `ultralytics/utils/callbacks/base.py`
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!!! Note
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This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/callbacks/base.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/callbacks/base.py). If you spot a problem please help fix it by [contributing](https://docs.ultralytics.com/help/contributing/) a [Pull Request](https://github.com/ultralytics/ultralytics/edit/main/ultralytics/utils/callbacks/base.py) 🛠️. Thank you 🙏!
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## ::: ultralytics.utils.callbacks.base.on_pretrain_routine_start
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## ::: ultralytics.utils.callbacks.base.on_pretrain_routine_end
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## ::: ultralytics.utils.callbacks.base.on_train_start
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## ::: ultralytics.utils.callbacks.base.on_train_epoch_start
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## ::: ultralytics.utils.callbacks.base.on_train_batch_start
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## ::: ultralytics.utils.callbacks.base.optimizer_step
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## ::: ultralytics.utils.callbacks.base.on_before_zero_grad
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## ::: ultralytics.utils.callbacks.base.on_train_batch_end
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## ::: ultralytics.utils.callbacks.base.on_train_epoch_end
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## ::: ultralytics.utils.callbacks.base.on_fit_epoch_end
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## ::: ultralytics.utils.callbacks.base.on_model_save
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## ::: ultralytics.utils.callbacks.base.on_train_end
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## ::: ultralytics.utils.callbacks.base.on_params_update
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## ::: ultralytics.utils.callbacks.base.teardown
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## ::: ultralytics.utils.callbacks.base.on_val_start
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## ::: ultralytics.utils.callbacks.base.on_val_batch_start
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## ::: ultralytics.utils.callbacks.base.on_val_batch_end
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## ::: ultralytics.utils.callbacks.base.on_val_end
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## ::: ultralytics.utils.callbacks.base.on_predict_start
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## ::: ultralytics.utils.callbacks.base.on_predict_batch_start
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## ::: ultralytics.utils.callbacks.base.on_predict_batch_end
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## ::: ultralytics.utils.callbacks.base.on_predict_postprocess_end
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## ::: ultralytics.utils.callbacks.base.on_predict_end
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## ::: ultralytics.utils.callbacks.base.on_export_start
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## ::: ultralytics.utils.callbacks.base.on_export_end
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## ::: ultralytics.utils.callbacks.base.get_default_callbacks
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## ::: ultralytics.utils.callbacks.base.add_integration_callbacks
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