[doc]add amp train notes for detection train (PaddlePaddle#13481)

* [doc]add amp train notes for detection train * Update detection.md * Update detection.md
EchoEcho618 · Jul 24, 2024 · 9231cbe · 9231cbe
1 parent cf26f23
commit 9231cbe
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diff --git a/doc/doc_ch/detection.md b/doc/doc_ch/detection.md
@@ -141,6 +141,8 @@ python3 tools/train.py -c configs/det/det_mv3_db.yml \
      -o Global.pretrained_model=./pretrain_models/MobileNetV3_large_x0_5_pretrained \
      Global.use_amp=True Global.scale_loss=1024.0 Global.use_dynamic_loss_scaling=True
  ```
+**注意**
+文本检测模型使用AMP时可能遇到训练不收敛问题，可以参考[discussions](https://github.com/PaddlePaddle/PaddleOCR/discussions/12445)中的临时解决方案进行使用。
 
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