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[Zero-Dim] add gradient unittest example of 0D Tensor input in static graph #49755

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merged 1 commit into from
Jan 13, 2023
Merged

[Zero-Dim] add gradient unittest example of 0D Tensor input in static graph #49755

merged 1 commit into from
Jan 13, 2023

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zhwesky2010
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@zhwesky2010 zhwesky2010 commented Jan 11, 2023 •
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PR types

Function optimization

PR changes

APIs

Describe

  1. 由于机制问题：静态图创建反向append_backward时，会指定创建shape为[1]的gradient，导致0D的梯度无法正常测试，阻碍了其他开发。但这个问题目前不能改，必须要在输出loss由[1]变为[]后才可以改。
  2. 当前使用可行的测试方案，在静态图网络中新增一个.sum()节点，该PR提供了 静态图0D反向测试 的写法示例。
  3. 为存量的100+个0D API补充了 静态图0D反向测试 ，存量问题2个

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paddle-bot bot commented Jan 11, 2023

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!
Please wait for the result of CI firstly. See Paddle CI Manual for details.

@zhwesky2010 zhwesky2010 force-pushed the add_0D_UT_static branch 2 times, most recently from 4c63038 to e41319c Compare January 11, 2023 14:53
@zhwesky2010 zhwesky2010 changed the title [Zero-Dim] add static graph gradient test method for 0D Tensor input [Zero-Dim] add static gradient test example for 0D Tensor input Jan 11, 2023
@zhwesky2010 zhwesky2010 changed the title [Zero-Dim] add static gradient test example for 0D Tensor input [Zero-Dim] add static gradient UT example for 0D Tensor input Jan 11, 2023
@zhwesky2010 zhwesky2010 force-pushed the add_0D_UT_static branch 3 times, most recently from 0bcfe6b to e6ac6a5 Compare January 12, 2023 14:03
@zhwesky2010 zhwesky2010 changed the title [Zero-Dim] add static gradient UT example for 0D Tensor input [Zero-Dim] add gradient unittest example of 0D Tensor input in static graph Jan 12, 2023
jeff41404
jeff41404 approved these changes Jan 13, 2023
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@jeff41404 jeff41404 left a comment •
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LGTM

@zhwesky2010 zhwesky2010 merged commit 5fd115f into PaddlePaddle:develop Jan 13, 2023
yjjiang11 pushed a commit to yjjiang11/Paddle that referenced this pull request Jan 13, 2023
@zhwesky2010 @yjjiang11
[Zero-Dim] add static graph gradient test method for 0D Tensor input (P…
5387ce9 
…addlePaddle#49755)
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