Sergiu Waxmann 2f02d8ea53
Docs updates for HUB, YOLOv4, YOLOv7, NAS (#3174)
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-06-15 21:17:10 +02:00

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---
description: Improve YOLOv5 model training with Ultralytics' on-train callbacks. Boost performance on-pretrain-routine-end, model-save, train/predict start.
keywords: Ultralytics, YOLO, callbacks, on_pretrain_routine_end, on_fit_epoch_end, on_train_start, on_val_start, on_predict_start, on_export_start
---
# on_pretrain_routine_end
---
:::ultralytics.yolo.utils.callbacks.hub.on_pretrain_routine_end
<br><br>
# on_fit_epoch_end
---
:::ultralytics.yolo.utils.callbacks.hub.on_fit_epoch_end
<br><br>
# on_model_save
---
:::ultralytics.yolo.utils.callbacks.hub.on_model_save
<br><br>
# on_train_end
---
:::ultralytics.yolo.utils.callbacks.hub.on_train_end
<br><br>
# on_train_start
---
:::ultralytics.yolo.utils.callbacks.hub.on_train_start
<br><br>
# on_val_start
---
:::ultralytics.yolo.utils.callbacks.hub.on_val_start
<br><br>
# on_predict_start
---
:::ultralytics.yolo.utils.callbacks.hub.on_predict_start
<br><br>
# on_export_start
---
:::ultralytics.yolo.utils.callbacks.hub.on_export_start
<br><br>