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[ Dy2static ] fix gpu memory leakage when multi-deepcopy-and-save. #43141

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Fix gpu memory leakage when multi-deepcopy-and-save.
Original FunctionCache is a strong ref to layers.forward, which makes the layers not be gc.

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paddle-bot-old bot commented Jun 1, 2022

你的PR提交成功,感谢你对开源项目的贡献!
请关注后续CI自动化测试结果,详情请参考Paddle-CI手册
Your PR has been submitted. Thanks for your contribution!
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LGTM

@2742195759 2742195759 merged commit 126248a into PaddlePaddle:develop Jun 1, 2022
@2742195759 2742195759 deleted the dy2static-gpu-memory-leakage-2 branch June 1, 2022 13:46
2742195759 added a commit to 2742195759/Paddle that referenced this pull request Jun 6, 2022
phlrain pushed a commit that referenced this pull request Jun 7, 2022
fuyou765 pushed a commit to fuyou765/Paddle that referenced this pull request Jun 7, 2022
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2 participants