fix the mixprecision bug when cumulate the grad#74893
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zty-king wants to merge 1 commit intoPaddlePaddle:developfrom
Closed
fix the mixprecision bug when cumulate the grad#74893zty-king wants to merge 1 commit intoPaddlePaddle:developfrom
zty-king wants to merge 1 commit intoPaddlePaddle:developfrom
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你的PR提交成功，感谢你对开源项目的贡献! |
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这个问题拉最新版本paddle还存在吗？ |
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## develop #74893 +/- ##
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Coverage ? 100.00%
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Files ? 1
Lines ? 1
Branches ? 0
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Hits ? 1
Misses ? 0
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PR Category
Operator Mechanism
PR Types
Bug fixes
Description
mix_precision在执行梯度累加时，此处需要将tmp_grad转化为float32，否则会出现精度不一致，导致报错。